18650 BMS Lithium Li-ion Battery Charger Module (4S 20A Standard)
Model: HW-846
Charging voltage: 16.8V-17V
Overload Voltage Range: 4.25-4.35V±0.05 V
Over discharge voltage range: 2.3-3.0V ±0.05V
Working current upper limit: 10A
Instantaneous current upper limit: 20A
Quiescent current: less of 30uA
Internal resistance: less than 60m Ω
Working temperature: -40- +50℃
Size: 34.5*34.5*1mm
Using modules, you may encounter situations where the maximum battery charge and discharge current is estimated.
The formula to calculate the maximum charge and discharge current of lithium batteries is explained below.
The calculation formula is:
maximum charge and discharge current = Rated capacity * C.
For example, if a lithium battery has a rated capacity of 2200 mAh and a discharge rate of 2 C, its discharge current is 2200 * 2 = 4400 mA = 4
Precautions
1. Pay attention to the input and output voltage and load current, do not use more than the power of the module and cause it to burn.
2. This module has an anti-static protection circuit, please do not touch it with your hands when working on the module to avoid damaging it.
