[Home](/)/[Resources](/resources)/CE for battery-powered devices Battery complianceProduct-specific # CE for Battery-Powered Devices: Safety + Transport Rules Battery-powered devices face a dual compliance challenge: they must meet EU battery regulations for safety and labeling, and they must meet transport rules for shipping lithium batteries. This guide covers both the CE marking requirements and the transport compliance you need to get your product to market. Copy Link[Share on WhatsApp](https://wa.me/?text=https%3A%2F%2Fkrono-labs.com%2Fguides%2Fce-for-battery-powered-devices) Problem ## Battery compliance is product + transport Many founders assume battery compliance is about the product only—selecting safe cells, adding protection circuitry, and meeting CE requirements. But lithium batteries also face strict transport rules. You can have a perfectly compliant product that cannot be shipped because the batteries do not meet transport testing requirements. The EU Battery Regulation introduced new requirements that go beyond safety testing: capacity labeling, removability for certain products, carbon footprint reporting for industrial batteries, and supply chain due diligence. These requirements phase in over time, and missing them can block market access. The pain point is not understanding that battery compliance spans product safety, CE marking, and transport logistics. Planning for all three from the start prevents discovering that your compliant product cannot be shipped or that your shipping method is restricted by battery regulations. Requirements ## Battery regulations and safety standards ### EU Battery Regulation 2023/1542 New regulation replacing the Battery Directive. Covers capacity labeling, removability requirements, carbon footprint, substance restrictions, and due diligence in supply chains. ### Safety standards (IEC 62133) IEC 62133-2 is the harmonised standard for lithium battery safety. Testing includes short circuit, overcharge, thermal abuse, and mechanical abuse tests. ### Transport rules (UN 38.3) Lithium batteries for transport must pass UN 38.3 testing. Required for air freight and often required by logistics providers for ground transport. ### EMC and other directives Battery-powered devices still need EMC compliance. If the device has wireless, RED applies. RoHS applies to all electronic components. Process ## Battery safety design requirements ### Protection circuitry Batteries must include protection against overcharge, over-discharge, short circuit, and overcurrent. This is typically implemented in the battery management system (BMS). ### Thermal management Design must prevent thermal runaway and manage heat generation during charging and discharging. Thermal cutoff devices may be required. ### Cell selection Use cells from reputable suppliers with appropriate certifications. Cell-level safety testing data should be documented in the technical file. ### Charging safety Charging circuits must be designed to prevent dangerous charging conditions. USB charging must meet relevant safety standards. Structure ## Transport compliance (UN 38.3) UN 38.3 testing is required for lithium battery transport and covers a series of safety tests. 01 Altitude simulation: Tests battery performance at low pressure simulating air transport 02 Thermal test: Exposure to extreme temperatures to ensure no leakage or rupture 03 Vibration: Simulates transport vibration to ensure internal integrity 04 Shock: Mechanical shock testing to prevent internal short circuits 05 External short circuit: Tests battery behavior under short circuit conditions 06 Impact/crush: Mechanical impact testing for robust cells 07 Overcharge: Tests protection circuitry under overcharge conditions 08 Forced discharge: Tests battery behavior under forced discharge ## Learn this properly, not just for one product In-depth courses and books that teach the process — not a one-off answer you'll need to look up again next time. [Start the course — $149](/courses/01-ce-marking-for-electronics-engineers)See your free roadmap [Prefer to read? Get the book — $24.99](/books/01-ce-marking-for-electronics-engineers) ## Frequently asked questions ### Do all battery-powered devices need UN 38.3 testing? UN 38.3 is required for lithium batteries transported by air and often required by logistics providers for ground transport. Even if not legally required for your specific shipping method, many carriers require it as a condition of transport. ### What is the new EU Battery Regulation? The EU Battery Regulation 2023/1542 replaces the old Battery Directive. It introduces new requirements for capacity labeling, removability (for certain appliances), carbon footprint reporting, due diligence in battery supply chains, and stricter substance restrictions. ### Can I use any lithium cell in my CE-marked product? You can use any cell that meets safety requirements, but you must have documentation supporting cell safety. Using cells from suppliers with IEC 62133 certification simplifies your compliance documentation. Cell selection must be documented in your technical file. ### Do battery-powered devices need LVD compliance? Typically no. Battery-powered devices operating below 75V DC are outside the Low Voltage Directive voltage scope. However, if the device includes a mains-powered charger, the charger falls under LVD. 🇪🇺 CE Marking roadmap for your product Every standard, document, and test that applies — free, no account required. See your free roadmap Learn this properly In-depth course that teaches the full process, not just this one answer. [Start the course — $149](/courses/01-ce-marking-for-electronics-engineers)[Prefer to read? Get the book — $24.99](/books/01-ce-marking-for-electronics-engineers) Related guides * [CE compliance for USB/charging devicesComplete guide to CE compliance for USB chargers, power adapters, and charging devices: LVD, EMC, safety standards, and USB-IF …](/guides/ce-compliance-for-usb-charging-devices) * [CE marking for consumer electronicsComplete guide to CE marking for consumer electronics: applicable directives, testing requirements, cost breakdown, and realist…](/guides/ce-marking-for-consumer-electronics) * [CE marking for wearablesComplete guide to CE marking for wearable devices: RED, EMC, RoHS, GPSR, battery regulations, and skin contact requirements for…](/guides/ce-marking-for-wearables) * [Low Voltage Directive explainedComplete guide to the EU Low Voltage Directive (LVD 2014/35/EU): scope, essential safety requirements, testing, and compliance …](/guides/low-voltage-directive-explained) Educational resource only. CE responsibility remains with the manufacturer or authorised representative. Verify current law, standards, and product-specific evidence before signing.