Outdoor energy storage combines a large lithium pack, an inverter and multiple DC outputs - each part pulls in its own rules.
Portable power stations are the most complex consumer battery product on the market: a lithium battery pack (often LiFePO4) with a DC-AC inverter, mains charging input and a stack of DC, USB-C PD and sometimes wireless outputs. Each function brings its own regulatory thread, and a quotation that only mentions one of them is incomplete.
Transport is also different from smaller batteries: packs above 100 Wh face airline restrictions and need careful dangerous-goods handling, which matters for air freight of samples as much as for finished shipments.
| Market | Typical requirements | Notes |
|---|---|---|
| United States | FCC Part 15 Subpart B (inverter and DC-DC emissions); UL/ETL listing to UL 2743 commonly required by retailers; Prop 65 | AC output and mains charging circuit are the main EMC sources - test the full operating mode set |
| European Union | CE: EMC Directive, RoHS; safety documentation built under the General Product Safety Regulation with reference standards (EN 62368-1 style clauses for the mains circuitry); EU Battery Regulation (EU) 2023/1542 | No single harmonized EN standard covers the whole product - the technical file needs a deliberate standards mapping, not an off-the-shelf report |
| Transport | UN38.3 at pack level (typically far above 100 Wh), IATA/IMDG packaging and state-of-charge rules | Air-freighting sample units needs dangerous-goods handling - plan samples as seriously as shipments |
| Battery Regulation (EU) | 2023/1542 phases in CE requirements, labelling and due diligence for industrial/portable batteries | Applies to the battery inside the product, on top of product-level files |
Building a power station for the US or EU market? Send the specification (battery chemistry, inverter rating, output list) and we will map the full test scope - EMC, safety, battery and transport - before samples move.
UL 2743 is the US safety standard for portable power packs (power stations and jump starters). It is not federally mandated, but major US retailers and marketplaces commonly require a UL or ETL listing to it before listing a power station.
Yes - more, not less. Large lithium packs follow the same UN38.3 transport tests, and because they exceed 100 Wh they face stricter airline restrictions and need proper dangerous-goods declarations for air shipment.
It depends on the function being assessed - inverter output, mains charging and DC ports are evaluated against the appropriate emission/immunity standards within the EMC Directive. There is no single blanket standard for the product category, which is why the standards mapping in the technical file matters.