A Wireless, Open Source, Esp32-based, Fpc Bm-lite Fingerprint Sensor With An Nfc Controller, An Antenna Module, A 200 Mah Lipo Battery, And A 3d-printed Stand. - CHHAVI-FNB
2PCS 3.8V 1000mAh 3.8Wh Lipo Battery 822048 3P MX1.2 For Valve Index Controller | eBay
2PCS 3.8V 1000mAh 3.8Wh Lipo Battery 822048 3P MX1.2 For Valve Index Controller | eBay