Jiabaida (JBD) LiFePo4 4S 12.8V 20A BMS is a compact and reliable Battery Management System based on the CP04S005 chipset, designed for 4-cell LiFePo4 battery packs. It ensures safe operation with integrated protections against overcharging, over-discharging, and short circuits. With passive balancing and a lightweight aluminum casing, this BMS is ideal for portable applications such as DIY battery packs, e-bikes, and solar storage systems.
Jiabaida (JBD) LiFePo4 4S 12.8V 20A BMS Features:
- Passive cell balancing for stable performance
- Integrated overcharge, over-discharge, and short-circuit protection
- CP04S005 chipset for accurate control
- Aluminum plate helps with basic heat dissipation
- Suitable for compact battery-powered systems
JBD LiFePo4 4S 12.8V 20A Waterproof BMS Specification:
| Specification | Value |
|---|---|
| Model | L4S-20A-20A-B-V1.1 |
| Chipset | CP04S005 |
| Supported Cells | 4S (LiFePo4) |
| Nominal Voltage (V) | 12.8 |
| Charge Voltage (V) | 14.6 |
| Charge Current (A) | 10 |
| Continuous Discharge (A) | 20 |
| Balance Current (mA) | 30 5 |
| Overcharge Detect (V) | 3.75 0.05 |
| Overcharge Release (V) | 3.55 0.05 |
| Over Discharge Detect (V) | 2.2 0.1 |
| Over Discharge Release (V) | 2.5 0.1 |
| Operating Temperature (C) | -20 to 70 |
| Dimensions (mm) | 66 x 34 x 10 |
Package Includes:
1 x JBD LiFePo4 4S 12.8V 20A Waterproof Battery Management System – BMS Protection Board
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