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AJMRTC 5S Lithium Battery Charging Protection Board, 18V/18.5V/21V 20A 3MOS BMS Module, Overcharge Over-Discharge Short Circuit Protection for Li-Ion Battery Pack & Power Tools
- - 5S lithium battery BMS board with 3MOS structure, supports 20A continuous current, ideal for 18V/18.5V/21V lithium battery packs of power tools
- - Multi-protection design including overcharge, over-discharge, over-current and short-circuit protection to safeguard lithium cells from damage
- - Stable current output and low heating, works well for power tool battery packs, portable power supplies and DIY lithium battery assemblies
- - Precise voltage detection for each battery cell, balances cell voltage automatically to extend overall battery service life
- - Compact PCB layout with easy soldering pads, simple assembly for battery pack modification and electronic maker projects
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Overview
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AJMRTC 5S lithium battery protection board is built with 3MOS tubes and supports up to 20A continuous current. It is specially designed for 5-series 18V,18.5V and 21V li-ion battery packs commonly used in power tools. The integrated BMS provides comprehensive protection against overcharge, over-discharge, over-current and short circuit. It balances each battery cell voltage to avoid inconsistent cell aging, improving battery stability and service life. With low heat generation during operation, it is perfect for rebuilding power tool battery packs and homemade lithium power storage packs. Simple soldering pads make assembly convenient for battery DIY enthusiasts.
Specifications
- Brand: AJMRTC
- Model: 5S Lithium BMS Protection Board
- Series: 5S
- Rated Current: 20A
- MOS: 3MOS
- Applicable Voltage: 18V / 18.5V / 21V
- Battery Type: Li-ion Lithium Battery
- Protection: Overcharge, Over-discharge, Over-current, Short-circuit protection
- Application: Power tool battery pack, lithium battery DIY assembly
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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