BATTERY AND POWER BANK KITS

BATTERY AND POWER BANK KITS

3.7V To 5V 1A 2A Boost Module DIY Power Bank Mainboard Circuit Board Built In 18650 Lithium Battery Protection IC Double USB Output Over-current Over-voltage Under Voltage Protection

150.00
Features: 1. 4 level LED lights show electricity, non-working state smart automatic shutdown; 2. Built-in lithium battery protection IC, overcurrent, overvoltage,...
BATTERY AND POWER BANK KITS

5V 1A Power Bank Charger Board Charging Circuit PCB Board Power Supply Module

60.00 45.00
5V 1A Power Bank Charger Board Charging Circuit PCB Board Power Supply Module