Name: 3S 12.6V 40A Lithium Battery Protection Board (BMS) – Enhanced Version
SKU: SKU-%D1771614460
Price: 3000 NGN
Availability: InStock

Home Products Solar & Inverters BMS 3S 12.6V 40A Lithium Battery Protection Board (BMS) – Enhanced Version

3S 12.6V 40A Lithium Battery Protection Board (BMS) – Enhanced Version

CITYSERVA

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The 3S 40A Lithium Battery Protection Board (BMS) is a compact battery management system designed to protect 3-cell lithium-ion battery packs connected in series . It provides essential protection and basic cell balancing to improve safety and extend battery life in medium-to-high current applications.

₦ 3,000.00

Condition:

Brand new

50 products available

Quantity

SKU: SKU-%D1771614460

Category: BMS

Tag: 40A BMS

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Key Features

3S Configuration
Designed for 3 lithium-ion cells in series (3S)
- Nominal voltage: 11.1V
- Fully charged voltage: 12.6V
High Current Capability
- Rated up to 40A peak discharge
- Practical continuous current: 25–30A (depending on cooling and PCB quality)
Comprehensive Protection Functions
- Over-charge protection
- Over-discharge protection
- Over-current protection
- Short-circuit protection
Cell Balancing Function
- Passive balancing to maintain equal cell voltage during charging
- Helps improve pack lifespan and stability
Enhanced Power Stage
- Multiple parallel MOSFETs for lower resistance and improved current handling
- Thick copper traces and large solder pads for high-current connections

Specification

Cell Configuration: 3S (3 cells in series)
Battery Type: Lithium-ion / Lithium-polymer (NOT LiFePO₄)
Nominal Voltage: 11.1V
Maximum Charge Voltage: 12.6V
Maximum Discharge Current:
- Peak: 40A
- Recommended continuous: 25–30A
Balancing: Yes (passive balancing)
Protection Functions:
- Over-charge
- Over-discharge
- Over-current
- Short-circuit
Operating Temperature: Approximately -20°C to +60°C
Board Marking: HW-287 / 3S 40A

Application

DIY lithium-ion battery packs
Power tools and portable equipment
Robotics and motor control systems
Inverters and DC loads (within current limits)
Custom electronics projects requiring 12V lithium packs .

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CITYSERVA

(1 Review)

Joined Oct 04, 2025

3S 12.6V 40A Lithium Battery Protection Board (BMS) – Enhanced Version

₦ 3,000.00

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