• Shenzhen BAK Technology Co., Ltd.
    Kallista
    I'm going to keep this sweet & short! I have never experienced such excellent customer service with a out of country supplier. This company has gone far and beyond to meet the needs of their customers. Their response time with all my concerns were addressed immediately 100%within 1-24 hours and the shipping time was EXCELLENT!
Contact Person : Dong
Phone Number : +86 13828713564

2S 20A Lithium Battery Protection Board Smart BMS For Multiple Application

Place of Origin Guangdong, China
Brand Name BAKTH/OEM/Neutral
Certification Certified with CE / RoHS / IEC62133 certifications
Model Number BAKTH-0020200054-01
Minimum Order Quantity 1-200PCS
Price USD15.0-USD30.0/PCS
Packaging Details Standard Export Packing
Delivery Time 10-15 working days
Payment Terms ,T/T
Supply Ability Daily Delivery Capability: Approx. 1,800 units/day

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Product Details
Model Number BAKTH-0020200054-01 Series Supported 2S
Continuous Discharge Current (A) 20A Balancing Type Active Balancing / Passive Balancing (Optional)
Over Charge Detection Voltage(Cell) 4.100V±0.050V(Adjustable) Over Discharge Detection Voltage(Cell) 3.100V±0.050V(Adjustable)
Customization Available Yes Warranty 12 Months
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2S 20A lithium battery BMS

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smart BMS for multiple applications

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lithium battery protection board with warranty

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Product Description
2S 20A Lithium Battery Protection Board Smart BMS
Product Attributes
Attribute Value
Model Number BAKTH-0020200054-01
Series Supported 2S
Continuous Discharge Current (A) 20A
Balancing Type Active Balancing / Passive Balancing (Optional)
Over charge detection voltage(Cell) 4.100V±0.050V(Adjustable)
Over Discharge Detection Voltage(Cell) 3.100V±0.050V(Adjustable)
Customization Available Yes
Warranty 12 months
Product Overview

This high-performance battery management system ensures safe and stable operation of 2-series (2S) lithium-ion or lithium-polymer battery packs. With a robust 20A continuous discharge current rating, this BMS provides comprehensive protection against overcharge, over-discharge, overcurrent, and short circuits.

Technical Specifications
Compatible interface: SMBUS/IIC
Dimensions: 120 × 53.5 × 2.5 mm
Over charge detection voltage: 4.100V±0.050V (Adjustable)
Certification standards: IEC62133
Over Discharge Detection Voltage: 3.100V±0.050V (Adjustable)
Type of Protective Board: 2S lithium battery protection board
Over Current Discharge: 25.0A±0.5A (Adjustable)
Protection: OV, UV, OC, SC, OT, Balance
Discharging Temperature: -22~60℃ (Adjustable)
Charge Temperature: 0~45℃ (Adjustable)
Key Features
  • Real-time battery status feedback (SOC, SOH, temperature) via SMBUS/IIC communication protocol
  • Comprehensive protections: over-voltage, under-voltage, short-circuit, over-current, and temperature
  • Active balancing function extends battery pack life and improves consistency
  • Modular design for easy integration in various industrial and solar applications
Application Scenarios
Energy Storage Systems (ESS)
Electric Power Tools
Home Solar Battery Systems
Drones
DIY Custom Li-ion Battery Packs
Warranty & Support
12-month warranty with lifetime technical support
100% tested before shipment to ensure safety and reliability
Dedicated account manager and technical support with 48-hour response