ANSI/CAN/UL 2056:2026 (2026)

Power Banks / Chargeurs portatifs - Published Date: June 30, 2026

This revision of ANSI/CAN/UL 2056 dated June 30, 2026 includes the following changes: – Updates to the flammability requirement of internal parts: 6.1.5 – Clarification of the test method in the Short-Circuit of Output Port Test: 12.3 – Correction of the limits of cell temperatures in the Electrical Tests: 12.3A, 12.7, 12.8, 12.9, 12.10, 13.2A, 13.3A, 13.5, 14.5A, 14.7, and 18.5 – Clarification of the test condition and the tolerance of metal rods in the Flexing Force Test: Figure 23.1 – Alignment of the oven temperature tolerance in the Mold Stress Relief Test: 24.1 – Update the structural requirement for Direct plug-in construction: 6.7.1(c) – Clarification of the test methods in the Abnormal Charging of the Battery Test: 13.2 and 13.4 – Clarification of the test method in the Temperature Test and BMS Verification: Exception to 16.5 1 Scope 1.1 These requirements cover power banks, sometimes also known as portable USB chargers or portable back-up battery power, which are standalone devices that incorporate primary or secondary batteries for mobile powering of low voltage electronic devices. 1.2 These requirements cover products with the following power characteristics: a) Input: 1) Supplied by isolated dc power source rated maximum 60 Vdc; or 2) Supplied by ac mains power source, through direct plug-in construction. b) Output: Provides dc output(s) rated maximum 60 Vdc; and c) The watt-hour rating of the power bank does not exceed 100 Wh. 1.3 These requirements are intended to reduce the risk of fire or explosion of power banks. 1.4 These requirements also cover products with integral photovoltaic cells as a power source. 1.5 These requirements do not cover products under the scope of the Standard for Portable Power Packs, UL 2743 .