Product Name: COMPATIBLE Battery Charging and Battery Activate Board (W223 PRO)
Compatible Model: Universal for iPhone 4-11 Pro Max, VIVO, Huawei, Xiaomi, Samsung, etc.
Part Type: Battery Activation & Charging PCB
Function: Revives over-discharged batteries that can no longer be charged by the phone and charges them safely.
Features: Auto-off when fully charged, auto polarity detection, supports most battery connectors.
Includes: W223 PRO activation board.
Usage: Internal repair – connect board to power, attach battery, press activation button.