BMS 4S 12.8V 390A LifePo4 Lithium Battery Protection Board Battery Cell Packs Balance Motorcycle Car Start RV Inverter
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Specifications
- Application
- Computer
- Brand Name
- NONE
- Condition
- New
- Package
- SMD
- is_customized
- Yes
- Origin
- Mainland China
- Type
- Voltage Regulator
- Operating Temperature
- Lifepo4 Battery Protection Board
- High-concerned chemical
- None
- Supply Voltage
- Lifepo4 Battery Protection Board
- Dissipation Power
- Lifepo4 Battery Protection Board
- Choice
- yes
- semi_Choice
- yes
Product Description
Features:
charge voltage :14.4V-19V
Overcharge protection voltage: any string 3.65V
Charging recovery voltage: all below 3.55V
Over discharge protection voltage: any string of 2.5V
Discharge recovery voltage: all above 3.00V
Equalization voltage: single 3.50V starts and lights up
Balance current: 0.07A
overcharge protection / over-discharge protection / over-current protection /short circuit prtection
Pros & Cons
Pros
- High 390A continuous discharge for demanding uses.
- Precise voltage balancing and protection for LiFePO4.
- Compact SMD for custom battery builds.
- Wide application in vehicles and inverters.
Cons
- Requires soldering for installation.
- No housing, exposed board.
- Specific to 4S LiFePO4 only.
- Technical setup not beginner-friendly.
Common Questions
What cells is the BMS 4S board compatible with?
Designed for 4S 12.8V LiFePO4 lithium battery cell packs.
What are the voltage protection specs?
Overcharge 3.65V, recovery 3.55V; over-discharge 2.5V, recovery 3.00V; balance at 3.50V.
Suitable applications for this protection board?
Motorcycle, car start, RV, inverter; high 390A discharge current.
How to install and use the BMS board?
SMD package for custom battery packs; monitors balance, charge 14.4-19V.
Shipping details for electronics?
Mainland China origin, 10-25 days; anti-static packaging.
Product information last updated on January 9, 2026