forRaspberryPi uninterruptible power supply expansion board 5v2.5a power supply expansion board.
UPS expansion board for easy welding integration into car designand industrial control equipment
Balanced charging for stable and safer
On board batteryprotection circuit, preventing overcharging, discharging, overcurrent, short circuit, and reverse connection
Supports stable voltage output of 5V while charging and discharging; Onboardwarning light