The battery protection board, as the name suggests battery protection board is mainly rechargeable and protects the integrated circuit board. Lithium batteries (rechargeable type) so need protection, is determined by their own characteristics. As the lithium battery, its material determines itself can not be overcharge, over-discharge, overcurrent, short circuit, and ultra-high temperature charge and discharge, so lithium battery lithium components will always follow A protective plate with a sampling resistor, and a current fuse.
Features
State of charge calculations.
Cell over-voltage and under-voltage protection.
Intelligent battery balancing (passive).
Fully sealed waterproof technology, with waterproof, dustproof, shockproof, anti-squeezing, and other protective functions.
Serial connection protection for 4S cells, so you can use this BMS for lower voltage only change the wire connection ways, it makes you more conveniently and flexibly to use this BMS.
Specification
| Model | 4S 14.8V 20A |
| Charge Voltage(V) | 16.8 |
| Charge Current(A) | 10 |
| Balance Current(mA) | 30±5 |
| Balance Detect Voltage(V) | 4.18 |
| Working Current(uA) | 100 |
| Overcharge Detect Voltage(V) | 4.25±0.05 |
| Overcharge Release Voltage(V) | 4.15±0.05 |
| Over Discharge Detect(V) | 2.7±0.1 |
| Over Discharge Release(V) | 3.0±0.1 |
| Working Temperature Range (°C) | -20 to 70 |
| Cable Size (AWG) | 14 |
| Length (mm) | 55 |
| Width (mm) | 34 |
| Height (mm) | 10.1 |
| Weight (gm) | 27 |
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