BMS 3S 40A 11.1v 12V 18650 Lithium Battery Charger Board Protection Module (Li-po)

BMS 3S 40A 11.1V/12V 18650 Lithium Battery Protection Module

The BMS 3S 40A 11.1V/12V Lithium Battery Protection Module manages 3-series battery packs. It supports 18650 cells and Li-Po batteries. This module provides overcharge, over-discharge, over-current, and short-circuit safeguards. A continuous discharge current of 40A is supported. The board operates with 11.1V (rated) and 12.6V (full charge) systems. Integration into DIY power projects provides battery management. It functions as a component for custom battery solutions.

Specifications:

• Full Charge Voltage: 12.6V – 13V
• Operating Temperature: -40°C to +50°C
• Over-Current Protection: Yes
• Under-Voltage Protection: Yes
• Short Circuit Protection: Yes, delayed self-recovery
• Effective Life: >30000h
• Internal Resistance: < 100mΩ
• Overcharge Detection Voltage: 4.25V
• Over Discharge Detection Voltage: 2.5V
• Continuous Discharge Current: 40A
• Continuous Charge Current: 20A
• Dimensions (LxWxH): 55 x 41 x 3 mm

Key features and benefits:

• 3S (3 Series) Battery Management System for Li-ion/Li-Po
• 40A Continuous Discharge Current capability
• Supports 11.1V (Rated) to 12.6V (Full Charge) Lithium Batteries
• Protection: Overcharge, Over-discharge, Over-current, Short-circuit
• Compatible with 18650 Li-ion and Lithium Polymer battery types
• Low internal resistance (<100mΩ)
• Delayed self-recovery for short-circuit protection

Applications:

• DIY 12V portable battery packs
• Power tools and cordless devices
• Robotics and RC projects
• Small-scale solar energy storage systems
• Backup power supplies for electronics
• Electric bicycles and scooters (low power applications)

Frequently Asked Questions:

Q: What is the maximum voltage this BMS supports for charging?
A: The module supports a full charge voltage range of 12.6V to 13V.

Q: Can this BMS be used with 4-series (4S) battery packs?
A: No, this module is specifically designed for 3-series (3S) Li-ion/Li-Po battery configurations.

Q: What is the recommended continuous charge current for this module?
A: The continuous charge current supported by this module is 20A.

Package Includes:

*Image shown is a representation only.

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