Lithium ion batteries have excellent performance and are widely used in the field of portable electronic products. Portable mobile power supplies refer to power supplies that do not exceed 18KG and can be frequently carried by users. In order to avoid safety accidents during the use and transportation of lithium battery products that may cause damage to personnel's lives and property, the Standardization Management Committee issued the mandatory standard for lithium batteries on December 5, 2014: GB31241-2014 "Safety Requirements for Lithium ion Batteries and Battery Packs for Portable Electronic Products" (National Standard Commission, 2014, No. 27), which was officially implemented on August 1, 2015.

● Testing standards:

Portable mobile power supply: power bank, etc

Lithium ion batteries and battery packs include:

Portable office products: laptops, tablets, etc

Mobile communication products: mobile phones, cordless phones, Bluetooth earphones, walkie talkies, etc

Portable audio/video products: portable televisions, portable DVD players, MP3/MP4 players, cameras, cameras, recording pens, etc

Other portable products: electronic navigators, digital photo frames, game consoles, e-books, etc

● Testing items:

General safety requirements

Battery or battery pack electrical safety test

Environmental testing of batteries or battery packs

Safety requirements for battery pack protection circuits (applicable to battery packs with built-in protection circuits)

System protection circuit safety requirements (applicable to battery packs or batteries that do not have their own protective circuit, but have protective circuits in their chargers or electronic products powered by them)