Wholesale Laptop Backpacks for Tech Companies and Coworking Spaces: What the Inch Label Hides

Rewritten 12 August 2026 — this guide has been rebuilt on manufacturers' published dimensions, the standards bodies' own catalogues, the air transport rules as amended on 27 March 2026, and the EU and UK battery and electrical instruments. Its sleeve-sizing table was wrong, its padding specification was invented, and its entire price ladder had no source. All withdrawn or corrected below.

Thule publishes the internal dimensions of the laptop compartment in its Subterra 2 Backpack 27L and markets the bag as fitting a 16-inch MacBook. The compartment is 355.6 mm long. The 16-inch MacBook Pro is 355.7 mm wide. Both numbers are published by the companies that make the two objects, both were read on 11 August 2026, and the gap between them is 0.1 mm in the wrong direction. That is the most checkable fact in this category, and it took two product pages and a subtraction to find.

The bag will hold the laptop. Fabric gives and published internal dimensions are nominal. The point is narrower and worse: "fits 16 inch" carries no information about whether a given 16-inch machine goes in. Run the same subtraction against a ThinkPad T16 Gen 3 or a Dell Pro 16 Plus — two mainstream corporate 16-inch laptops — and the compartment is over-run on all three axes.

What follows is the sourcing brief that falls out of that: nine findings with the citation attached, in the order the evidence supports rather than the order that flatters the product. Three will change a specification — the dimensions to write instead of an inch label, the absence of any protection standard to specify against, and what happens to a bag the moment you put a battery in it. Two delete claims we used to make.

1. The inch on the lid stopped describing the machine

A 14-inch ThinkPad X1 Carbon Gen 13 is 214.75 mm deep. A 13-inch MacBook Air is 215.0 mm deep. The bigger label is on the smaller machine. Both figures are the makers' own published closed dimensions — Lenovo in the PSREF specification PDF, Apple in the tech specs page — and the 0.25 mm difference is our subtraction of one from the other, not a measurement of anything.

That pair is a curiosity. The chart below is the problem: fifteen distinct published footprints, drawn from the eighteen configurations in the table underneath it, plotted on width and depth and coloured by the inch label they are sold under — and the labels do not sort the points.

Three things fall out of the table that an inch label cannot express. The first is the inversion already named: six distinct 14-inch footprints, across five models, sit between 312.6 and 315.6 mm wide and 214.75 and 224.3 mm deep, overlapping the 13-inch MacBook Air on depth. The second is that aspect ratio beats diagonal for depth — the Framework Laptop 13 has a 3:2 panel and is 228.98 mm deep, deeper than every 14-inch machine listed. Sold as a 13, shaped like a 15.

The third is the one that decides compartment geometry. Within the 16-inch class, the widths agree and the depths do not. The five 16-inch configurations span 4.0 mm of width, from 355.7 to 359.7 mm — our subtraction — and 42.1 mm of depth, from 248.1 to 290.2 mm. Depth is the axis that fails, and depth is the axis that neither the inch label nor most product pages mention at all. The Framework Laptop 16 with a graphics module fitted is 290.2 mm front to back; a MacBook Pro 16 is 248.1 mm. Those two objects are both "16-inch laptops" and they are 42 mm apart on the dimension a sleeve has least room to absorb.

A fourth finding sits inside the table and matters more than it looks. The display option changes the thickness. A ThinkPad X1 Carbon Gen 13 is 16.95 mm with the OLED panel and 17.95 mm with WUXGA. A Dell XPS 13 9350 is 14.80 mm with OLED and 15.30 mm with FHD+ or QHD+. One millimetre sounds like nothing until you are 0.15 mm outside a published compartment, which is what happens in the next section.

What this means for you: stop specifying the compartment in inches and specify it in millimetres, on three axes, using each maker's published maximum. Ask your IT or workplace team for model and configuration codes rather than screen sizes, then write the compartment against the largest published width, depth and thickness in that list. The inch label is a marketing slot, and it is the only thing most tech packs currently contain.

2. A compartment sold as fitting a 16-inch MacBook is 0.1 mm too narrow for it

Very few bag makers publish internal laptop-compartment dimensions at all. We found three products that do, across the whole category, and one of them publishes only two of the three axes.

So the test below is one bag against four machines. It is not a survey of the market and should not be read as one. It is the only subtraction the published data permits anyone to do.

Now run the same compartment against the whole fleet in section 1. Of the eighteen configurations in that table, nine clear 355.6 × 248.9 × 17.8 mm on all three axes and nine do not — our arithmetic against the one published compartment we have. Exactly half. Two of the nine failures miss by 0.15 mm on thickness alone: the ThinkPad X1 Carbon Gen 13 with the WUXGA panel, and the ultralight Dell Latitude 7450. Both are 14-inch machines, and both would be waved through by any sleeve-sizing table ever printed, including ours.

The X1 Carbon case is the one to hold on to. With an OLED panel it clears the compartment by 0.85 mm; with the standard panel it is 0.15 mm outside. Neither Lenovo nor Thule publishes a tolerance on the figures either side of that subtraction, so 0.15 mm is a gap between two nominal numbers and not a demonstrated interference. What it does show is that the purchase-order line for the laptop, and not the inch label, is what decides the answer — and the two orders are placed by different departments months apart. No specification written in inches can catch that.

The corollary is the number to put in a tech pack. To clear every configuration in section 1 up to and including the 16-inch class, a laptop compartment needs an internal 365 × 258 × 24 mm — the widest machine plus roughly 5 mm, the deepest plus roughly 7 mm, the thickest plus roughly 3 mm. The headroom figures are ours and are an assumption, not a sourced tolerance; the machine maxima underneath them are published. If the fleet includes a Framework Laptop 16 with a graphics module, depth has to go to 297 mm, which is 48.1 mm more than the only published compartment in the category.

What this means for you: put internal compartment dimensions on the tech pack as three numbers in millimetres, and make them a measured acceptance criterion on the pre-production sample. A supplier who agrees to "fits 16 inch" has agreed to nothing testable. A supplier who agrees to 365 × 258 × 24 mm internal has agreed to something you can hold a ruler against when the sample lands, and something with a right answer when a disagreement about a bulk shipment gets settled. If you take one line from this page into a document, take that one.

3. There is no standard for protecting what is inside the bag

The previous version of this page specified "EVA foam padding, 8 to 12mm thick on the device-facing side". We went looking for the standard that number is measured against, on the assumption that a figure that specific must be quoting something. It is not quoting anything: nothing in the world's standards catalogues specifies a test method or a performance level for laptop-compartment impact protection.

A null result stated vaguely is worthless, so here is exactly how hard it was looked for. The ANSI Webstore search for laptop bag returns, verbatim, "Sorry, your search returned no results." Zero standards. The search for backpack returns ten, and here is what they are about.

The one backpack standard that exists is worth reading precisely, because its name gets borrowed. ASTM F2153-07(2018), "Standard Test Method for Measurement of Backpack Capacity", from committee F08.22, measures unextended and extended volume. It cannot reliably measure below 4 litres and states that it does not address safety concerns. It establishes that a bag sold as 27 L is 27 L, and says nothing about what happens to a laptop inside one.

Two other standards get produced in this conversation and neither is about a bag. ASTM D5276, the free-fall drop test of loaded containers, covers packaging and shipping containers. IEC 62133-2:2017, amended 2021, covers portable sealed secondary lithium cells, with "power bank" among its own keywords — a battery you might carry in a bag, not the bag. Both are real. Neither can be cited for compartment protection.

The absence of a standard leaves the load undefined too. The machines in section 1 run from 0.986 kg for a ThinkPad X1 Carbon Gen 13 in the V-series configuration to 2.40 kg for a Framework Laptop 16 with a graphics module — a spread of 2.4 times, our division of the two published figures. A harness adequate for the first is carrying nearly two and a half times as much for the second, and nothing anywhere defines "adequate" for either.

What this means for you: delete every padding thickness and protection rating from your specification unless you commissioned the test yourself, and replace them with a named protocol, a named laboratory and a report you hold. Ours are deleted. If a supplier offers a "drop-tested" compartment, the only useful follow-up is which document specifies the test — and unless they commissioned it, the answer cannot be a published standard, because there is not one.

4. MIL-STD-810 is not a thing a backpack can pass

The related claim is more specific and easier to check. MIL-STD-810 is a real document — "Department of Defense Test Method Standard: Environmental Engineering Considerations and Laboratory Tests", Revision H, dated 31 January 2019 — and the drop test everybody means is Method 516.8 Procedure IV, Transit Drop. What the standard says about itself disposes of the marketing claim.

Three consequences follow, and all three are the standard's, not ours. First, MIL-STD-810 sets no pass or fail threshold. The drop height, number of drops, orientations and the definition of "survived" are chosen by whoever commissions the test, under a tailoring process the standard makes mandatory. There is no level to reach. Second, there is no certifying body. The Department of Defense issues no MIL-STD-810 certificates or marks, so every "MIL-STD-810 certified" claim in consumer goods is a self-declaration against a self-selected tailoring. Third, Procedure IV tests materiel — the equipment — optionally inside its transit case. A backpack dropped empty demonstrates nothing about a laptop.

This is not an accusation that suppliers making the claim are lying; a factory that paid for a genuine 810H tailoring did have a real test run. The claim is simply not comparable between two suppliers, and it is not a level anyone can be held to, which is what a buyer thinks they are getting.

What this means for you: if a quotation says MIL-STD-810, ask for the tailoring — the method, the procedure, the drop height, the number of drops, the orientations, the test item, and the pass criterion. A supplier with a real report can produce all seven in an afternoon. A supplier repeating a phrase will produce a certificate, and there is no such thing as a MIL-STD-810 certificate. That question costs nothing to ask and it is the fastest supplier diagnostic on this page.

5. The power-bank rules changed on 27 March 2026, and most product copy has not caught up

Everything so far has been the absence of rules. This is the opposite: a hard, dated change that reaches straight into what a corporate laptop backpack is allowed to do, and which a good deal of "charging backpack" marketing now describes as a feature.

On 27 March 2026, ICAO amended the Technical Instructions for the Safe Transport of Dangerous Goods by Air (Doc 9284). In ICAO's own words, "these devices will now be limited to two per passenger, and passengers will be prohibited from recharging them during flights." IATA issued guidance to operators dated 31 March 2026, which separates power banks from spare batteries as a distinct regulatory category for the first time and removes the 100–160 Wh band for power banks entirely.

Read the middle row of that table against the way integrated-battery backpacks are sold. "Charge your laptop in the air" is now a description of behaviour that IATA's guidance says must not happen: power banks "must not be recharged while onboard the aircraft", and operators recommend that they "should not be used to recharge a portable electronic device while onboard". A bag whose selling proposition is in-flight charging is marketing something the rules changed four months before this page was written.

There is a quieter trap too. A power bank supplied loose inside a welcome kit counts against the passenger's limit of two, so an employee carrying the company unit plus their own is already at a ceiling that did not exist in 2025. Not a product defect, but worth knowing before an onboarding kit ships several thousand of them.

What this means for you: if the bag or the kit contains a power bank, cap it at 100 Wh, print the watt-hour rating on the product and the packaging, and delete any in-flight charging claim from the copy. The 100–160 Wh band no longer exists for this category. Ask the supplier for rated watt-hours, not milliamp-hours — the FAA formula is Wh = V × Ah, and a milliamp-hour figure without the rated voltage cannot be converted, which is why we have not converted one here.

6. Whether the battery is in the bag or beside it decides your freight terms

The same cell, in two different places in the carton, ships under two different UN numbers with two different rule sets. It is a logistics decision that looks like a product decision, and it is usually taken by whoever draws the bag.

The asymmetry runs against intuition. The more integrated design — a cell sealed into the bag — carries the lighter transport obligation on state of charge, because it is equipment rather than cargo of batteries. Power banks on a pallet carry the hard 30% cap. A buyer who separates the power bank from the bag to keep the bag a textile SKU has just moved the battery into the stricter transport category.

That is not abstract. A 30% ceiling means the factory's quality process cannot end with a full-charge functional test unless it also ends with a controlled discharge, and it means units arrive near-flat — which is the state the recipient opens the welcome kit in. Neither is a problem; both are things to agree before the first purchase order rather than discover on the first shipment.

What this means for you: decide the packing configuration before the tooling, and put the UN number on the purchase order. If the programme ships power banks as a separate line item, plan for 30% state of charge, plan for the arrival condition that produces, and confirm the classification with the forwarder rather than the factory. If it ships them inside the bag, the transport question gets easier and the next one gets much harder.

7. A battery turns a textile SKU into an electrical SKU, and the design has an expiry date

This is the finding with the largest commercial consequence on the page, and the old version of this article did not mention any part of it. Adding a cell or charging electronics does not add a feature to a bag. It changes what the product legally is.

The boundary case needs care, and we are marking our reading as a reading. [Inference, legal analysis and not legal advice.] A backpack with nothing but passive routed cabling and a pass-through USB connector is arguably not "dependent on electric currents in order to work properly" as a bag — but the connector itself is arguably EEE, and most compliance practice treats it as such. A backpack with an integrated cell or charging electronics plainly satisfies both the WEEE "EEE" test and the EMC "apparatus" test. And a backpack bundled with a separately manufactured power bank puts that power bank's obligations on whoever placed it on the market — which is you, if it carries your name or you imported it, because WEEE reg. 2 catches rebranding in terms.

The commercial summary is one sentence. A textile SKU carries a fabric specification and a duty line; an electrical SKU carries UN 38.3, IEC 62133-2, RoHS, EMC conformity assessment and declaration, WEEE producer registration and financing, battery producer registration, and — for the EU from February 2027 — a removability requirement that constrains the mechanical design. Different product, different cost base, different compliance owner, and the decision to become it is usually taken in a sentence of a creative brief.

What this means for you: treat "add a power bank" as a change of product category and price it as one, or keep the battery out of the bag entirely. For a welcome-kit programme the second option is frequently right and almost never considered, because the integrated version demonstrates better. If you do integrate, specify user-removability now rather than in 2027, and make sure whoever will be the WEEE and battery producer knows they are it — very often the buyer, not the supplier.

8. The hidden security pocket defends against something with no confirmed case

The old version of this page listed a "hidden security pocket: back panel pocket for wallet, passport, or building access card" among the features knowledge workers use. That is a fair description of a pocket. What gets sold alongside it in this category — RFID-blocking — does not survive its own numbers, and those numbers are published by the banking industry and the police.

Start with the technology. The relevant standard is ISO/IEC 14443, and the word in its own title is proximity: "Cards and security devices for personal identification — Contactless proximity objects". The Smart Card Alliance's Contactless Payments Security Q&A of December 2016 puts the operating range at "less than 1-2 in. away" from the terminal, states that "Every contactless payment transaction includes dynamic data that is unique for that transaction. Stolen or intercepted transaction data can't be used for other transactions", and that "personal information such as the cardholder name cannot be read" over the contactless interface. It records that the industry has "only seen incomplete demonstrative attempts to read information from contactless-enabled cards, not used to conduct actual fraud". The document nowhere recommends RFID-blocking sleeves or wallets. Its only consumer advice is "not leaving their card or device unattended."

Now the mechanism, in UK Finance's own words rather than ours: "UK retail face-to-face card fraud covers all transactions that occur in person in a UK shop, including contactless. Much of this fraud is undertaken using low-tech techniques, with fraudsters finding ways of stealing the card, and often the PIN, to carry out fraudulent transactions in shops. This includes criminals using methods such as ATM card entrapment and distraction thefts, combined with shoulder surfing and PIN pad cameras." Every mechanism named there happens after the card has left the bag.

And the flattest statement we found, from West Yorkshire Police: "There have never been any confirmed reports of money being 'stolen' from a contactless card still in a cardholder's possession in the UK." The same page adds that "waving a card reader about in the street or on a train couldn't take a payment from passers-by", that "You have to be extremely close to someone for their gadget to be able to read your card", and that anything read "would only get the card number and expiry date which is the same information you see by simply looking at the front of any card". The page carries no publication date, which we note rather than hide.

For scale, one piece of our own arithmetic. In January 2026 there were 1.437 billion UK contactless transactions worth £23.5bn. [Derived] Annualised by multiplying by twelve, that is roughly £282bn a year, so £46.8m of contactless fraud is 0.0166% of spend, or about 1.7p per £100. The annualisation assumes January is a typical month, and we could not test that assumption: only monthly card spending updates were found and no annual total, so this is one month multiplied by twelve and should be read as an order of magnitude rather than a measurement. It lands in the same place as UK Finance's published 1p for 2023.

What this means for you: if your security team is in the approval chain, do not put RFID-blocking in the specification, because there is no answer to the question of what threat it mitigates. It is a costless line to add and it is not a control. The pocket itself is fine — a back-panel pocket against the wearer's spine is a sensible place for a wallet on a commuter train, and that is a physical-security argument that does not need a shielded lining to be true.

9. The two numbers your programme is sized against are not measured

Every laptop backpack programme is budgeted off two assumptions: a laptop refresh cycle, and a growth story about flexible workspace. We tried to source both. One has no official statistic behind it at all; the other is almost entirely published by firms with a commercial position in it.

On refresh cycles: no national statistical office, government department or official statistical release publishes how often companies replace laptops. Searches of gov.uk, ONS-adjacent releases, EU Joint Research Centre ecodesign material and US federal sources returned nothing usable. The "three-year refresh cycle" is folklore. What exists is tax law and vendor research, and they are different kinds of object.

The reading we would defend: the 2025–26 shipment surge is explained better by a dated end-of-support event and a five-year statutory class life than by any survey of intent. The only hardware refresh anyone can put a date on is the one that has already happened.

On coworking, there is exactly one audited number in the whole category. IWG plc, the largest operator and a listed company, ended 2025 with 4,609 open centres in over 120 countries at 76% occupancy, on system-wide revenue of $4.453bn, up 4% on $4.297bn in 2024 — 782 centres opened and 1,132 signed during the year, with over a million rooms open and over 230,000 in the pipeline. Those figures are from the FY2025 results presentation of 3 March 2026 and they are audited listed-company disclosure. Everything else we found about coworking growth is published by someone selling into it: CoworkingCafe is a Yardi Systems company and Yardi sells software to the sector; CBRE brokers flexible office deals; Deskmag is industry media running an operator survey whose sample size and methodology are not published.

The instructive part is what happened to the forecast. CBRE's 2019 flexible office report put US flexible space at 71m sq ft, 1.8% of office stock, and projected roughly 13% — up to 600m sq ft — by 2030. CBRE's own 2023 brief put it at "only 1.7% of total U.S. office inventory". CoworkingCafe's April 2026 figure is 165.6m sq ft across 9,254 locations, 2.3% of total leasable US office inventory. Whatever definitional drift sits between those three publishers, and there is some, the category is not on a path to 13%. No national statistical office — not ONS, Eurostat, Census or BLS — publishes a coworking series at all.

What this means for you: size the programme against your own headcount plan and your own member roster, and treat every market-growth figure in a supplier's deck as a sales document until it names an audited source. For a multi-site operator, IWG's 76% occupancy is a more useful planning input than any growth percentage, because it is a measured utilisation figure and utilisation is what turns into bags.

A worked example, with the arithmetic shown

Take a company or a coworking operator specifying one bag for a mixed fleet. Every input below is a published figure with its source named, our own arithmetic on published figures, or an assumption — and each row says which. There are no prices in this example, for the reason set out below: we could not source a single one.

What to put in the specification, and what to ask the supplier

This is the part to screenshot. Each row is either a line for the tech pack or a question for the quotation, and each one exists because of a finding above. Four of the rows exist because no published convention exists to inherit, which is exactly why they have to be written down by you.

Sourcing a laptop backpack programme with Backper, on this page's own terms

Applying the tests above to our own previously published page produces a list we would rather not print.

Related reading. For what a sample can and cannot settle, see the sampling guide. For the schedule this sits inside, lead times for wholesale custom backpacks, and for the freight and customs legs, shipping, freight and customs.

What we could not verify

• Any published price for a wholesale laptop backpack, at any quantity, from any source. Our deleted ladder — $32–$52 at 500 units, $48–$85 at 1,000, kits at $100–$200 — cannot be checked, and neither can anyone else's. This page prints no price, no minimum order quantity and no kit cost as a result.
• Published laptop-compartment internal dimensions from Peak Design and Case Logic. Both product pages omit them, giving only external volume and a marketed inch fit. That absence is itself evidence for the argument in section 2, but it could not be turned into table rows, which is why the clearance test runs against one bag rather than a sample.
• Table 516.8-IX of MIL-STD-810H — the actual transit-drop heights by test-item weight. The full 810H document exceeded the fetch size limit and the Method 516.8 extract stopped before the table. Procedure IV's scope and purpose text was obtained; the numeric drop heights were not, so this page states that the heights are chosen by the commissioner without printing what the standard's own table suggests.
• The verbatim text of Regulation (EU) 2023/1542 Articles 3, 11, 13, 55 and 56. EUR-Lex truncated at around recital 100 across four separate fetch attempts. Confirmed only: entry into force 17 August 2023, from the ELI metadata, and the 18 February 2027 application date for Article 11, from Commission Notice C/2025/214. The Regulation's general date of application, widely stated elsewhere as 18 February 2024, could not be confirmed from a primary source and is therefore not stated on this page.
• The exact text of ICAO Addendum No. 1 to the 2025–2026 Technical Instructions on power banks. The ICAO news release and the IATA operator guidance were obtained and are quoted; the addendum itself was not fetched.
• The current amendment status of IEC 62133-2 beyond AMD1:2021. The IEC page lists a stability date of 2026, which implies a revision may be in progress.
• HP QuickSpecs for the EliteBook 840 G11 and the EliteBook 8 G1i (documents c08880575, c09130440, c09138442) were robots-blocked or failed TLS. Both machines' dimensions come from alternative HP-owned pages and should be treated as HP-published but not QuickSpecs-verified.
• A published operating-distance figure for ISO/IEC 14443 from ISO itself. The ISO abstracts describe field characteristics, not range. The "less than 1-2 in." figure is the Smart Card Alliance's, from 2016, and the qualitative statement is West Yorkshire Police's, from a page carrying no date.
• UK Finance's Annual Fraud Report 2025 (data year 2024) is disallowed by robots.txt. The 2024 and 2026 editions were obtained. This means the 1p and 5.8p ratio on this page is for data year 2023, not 2025, and no current published ratio is available to us.
• A single UK Finance annual total for contactless spending value. Only monthly card spending updates were found, so the £282bn annual figure and the 1.7p per £100 ratio are our own annualisation of a single January and are flagged as derived every time they appear.
• Any government or official statistic on corporate laptop replacement frequency. gov.uk, Defra material, EU JRC ecodesign preparatory studies (robots-blocked) and US federal sources were all searched. None exists. Section 9 is answered with tax law and vendor research only, and every vendor row is marked.
• Deskmag's Global Coworking Survey sample size and methodology, and any worldwide count of coworking spaces from a non-vendor source. Neither exists in a form we could cite, which is why the only coworking figures on this page are IWG's audited ones.
• No cloning study or shielding-effectiveness test for 125 kHz access-control credentials. The argument in section 8 that door fobs are the honest version of the RFID claim is our inference from the technology, not a sourced finding, and it is marked as such where it appears.
• The certification schemes named in the old sustainability section — GRS, PFAS-free DWR, YKK Natulon, FSC — were not researched for this rewrite. Nothing on this page evidences them and nothing on this page should be read as evidencing them.
• Everything in the Backper table is self-reported. It is what we know about ourselves today, and every line can be evidenced on request.

Sources

Laptop dimensions, all read 11 August 2026. Apple MacBook Air technical specifications; Apple MacBook Pro technical specifications; Apple Support KB 126319. Dell owner's manuals: XPS 13 9350, Latitude 7450, Dell Pro 16 Plus PB16250. Lenovo PSREF specification PDFs: ThinkPad X1 Carbon Gen 13, ThinkPad T16 Gen 3. HP spec sheet 9G0U8ET and HP product specifications page. Framework Laptop 13 and Laptop 16 specification tabs.

Bag compartment dimensions, all read 11 August 2026. Thule Subterra 2 Backpack 27L; Targus Intellect Essentials 15.6" (TSB966GL); Targus Corporate Traveler CUCT02B.

Standards, and their absence. ASTM F2153-07(2018), Standard Test Method for Measurement of Backpack Capacity, committee F08.22. ASTM D5276, drop test of loaded containers by free fall. IEC 62133-2:2017 (Ed. 1.1 with AMD1, 2021). Searches: ANSI Webstore, "laptop bag" — no results; ANSI Webstore, "backpack" — ten results; ISO catalogue search. MIL-STD-810H, Revision H dated 31 January 2019, via EverySpec for the document metadata and verbatim reproductions of Method 516.8 and its exclusions for the quoted text.

Batteries in the air and in freight. ICAO news release on the power bank restrictions, effective 27 March 2026. IATA, Changes Regarding Power Banks — guidance to operators, 31 March 2026, and Passengers Travelling with Lithium Batteries, 31 March 2026. IATA Lithium Battery Guidance Document, 67th edition DGR, effective 1 January 2026. FAA PackSafe, page last updated 16 April 2026. UNECE Manual of Tests and Criteria, Revision 8 (2023) with Amendment 1 (2025), for UN 38.3.

Batteries as a product category, EU and UK. Regulation (EU) 2023/1542 of 12 July 2023, in force 17 August 2023, and its recitals. Commission Notice C/2025/214, 10 January 2025, guidelines on removability and replaceability, for the 18 February 2027 application date of Article 11. European Commission, batteries and accumulators. Waste Electrical and Electronic Equipment Regulations 2013 (SI 2013/3113) reg. 2; Electromagnetic Compatibility Regulations 2016 (SI 2016/1091) reg. 2 and reg. 10(1)(a); Waste Batteries and Accumulators Regulations 2009 (SI 2009/890).

Contactless technology and fraud. ISO/IEC 14443-1:2018 and ISO/IEC 14443-2:2020. Smart Card Alliance, Contactless Payments Security Q&A, December 2016. "SoK: Security of EMV Contactless Payment Systems", arXiv preprint. UK Finance, Annual Fraud Report 2026, 15 June 2026, and its press release; Annual Fraud Report 2024, May 2024, for the 1p and 5.8p ratio; Card Spending Update, January 2026, released 20 April 2026; UK Payment Markets 2025 summary. West Yorkshire Police on contactless card payments, page undated.

Refresh cycles and workspace demand. 26 U.S.C. §168, via Cornell LII, for the five-year MACRS class; IRS Publication 946 (2025), revised 13 March 2026. Microsoft Lifecycle, Windows 10 end of support, 14 October 2025. Vendor and market research, all labelled as such: IDC, 8 October 2025; Gartner, 20 January 2026; Forrester, undated. Defra / UK Government Sustainable ICT blog, 18 February 2026. IWG plc FY2025 results presentation, 3 March 2026 — the only audited coworking figures on this page. Vendor research, and marked as such throughout: CoworkingCafe, a Yardi Systems company, via Commercial Property Executive, April 2026; CBRE, 21 August 2023; CBRE 2019 flex office report via REJournals, 20 September 2019; Deskmag 2025 Global Coworking Space Trends Survey, 19 May 2025.

Rewritten 12 August 2026. This page previously published a sleeve-sizing table that is false in both directions against the manufacturers' own published dimensions, specified a padding thickness against a standard that does not exist, asserted a one-year replacement cycle with no data behind it, claimed a premium bag outperforms a t-shirt by a wide margin with nothing to support it, and printed a landed-cost ladder, a kit cost and a set of minimum order quantities for which no published benchmark exists anywhere we could look. It also said nothing at all about what happens to the product once a battery goes into it, which is the largest commercial exposure in the category. Corrections have been made in the open rather than quietly deleted. The IATA guidance quoted here runs only to 31 December 2026, Article 11 of the EU Batteries Regulation bites on 18 February 2027, and every laptop in section 1 will be superseded — re-check anything on this page before it goes into a tech pack, a purchase order or a compliance file.