Specification
Battery Type: Lithium-Ion (Li-ion)
Configuration: 1S2P (3.7V Nominal, 4.2V Max)
Capacity: 5200mAh (5.2Ah)
Cell Type: 18650 3.7V 2600mAh Cells (2pcs)
BMS: 1S 10A Protection Board
Continuous Discharge Current: 10A
Charging Voltage: 4.2V
Output: DC Wire Output (Red +, White -)
Build Type: Heat Shrink Wrapped Pack
Weight: Approx. 100g
Description
This 4V 5.2Ah Lithium-Ion battery pack is designed for portable rechargeable fans and small DC devices. Built using 2pcs 18650 cells in a 1S2P configuration, it provides stable output and good backup time. The built-in 10A BMS ensures safety with overcharge, over-discharge, and short circuit protection. Its lightweight 100g design makes it compact and easy to install in portable devices.
Application
Portable rechargeable fan
Mini DC fan systems
Emergency backup devices
LED lighting systems
DIY battery projects
