Catda Raspberry Pi 4B Battery Expansion Board 5V Mobile Power Module Two-way Fast Charge Compatible with 3B+/Zero W

Description A lithium battery expansion board for Raspberry Pi onboard SW6106 mobile power chip can provide a stable 5V voltage output but also supports two way fast charging A mini power bank you can also use it to power other 5V devices Features The onboard SW6106 chip supports two way fast charging and supports multiple fast charging protocols such as PD QC FCP PE SFCP Onboard lithium battery protection circuit with anti reverse connection anti overcharge anti over discharge anti overcurrent and short circuit protection functions Onboard fast charge warning and battery indicator lights easy to check the working status of the board and battery Specifications Type With battery without battery optional Output voltage 5VApplicable battery 3 7V 14500 lithium battery full charge is 4 2V Product size 65mm 30mmThrough hole diameter 3 0mmPackage included 1 x Battery Expansion Board Battery is NOT included Details picture