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AJMRTC 2Pcs 5S 20A BMS Battery Protection Board, 18V 21V Lithium Battery Charge Module with NTC Temperature Protection, DC Connector for Power Bank & Electric Power Tool Battery Pack
- - 2 pieces per pack, 5S 20A BMS board for 18V/21V lithium battery pack charge and discharge management
- - Built-in NTC temperature sensor, overheat protection prevents high-temperature damage to battery cells
- - Integrated multiple protections: overcharge, over-discharge, over-current and short-circuit protection
- - Equipped with DC connector, easy wiring for power bank assembly and electric tool battery packs
- - Compact PCB design, stable performance for lithium battery pack assembly and DIY energy storage projects
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AJMRTC 5S 20A BMS protection board comes with 2 units in one set, specially designed for 18V/21V lithium battery packs used in electric tools and DIY power banks. This BMS module manages battery charging and discharging safely. It adopts NTC temperature protection to monitor real-time temperature and cut off power while overheating. It also supports overcharge, over-discharge, over-current and short-circuit multi-layer protection to extend battery service life. The onboard DC connector simplifies wiring and assembly. Suitable for assembling lithium battery packs for power tools, portable power banks and other small energy storage equipment.
- Brand: AJMRTC
- Quantity: 2Pcs
- Type: 5S Lithium Battery BMS Protection Board
- Rated Current: 20A
- Battery Voltage: 18V / 21V 5S lithium battery pack
- Protection: Overcharge, over-discharge, over-current, short-circuit, NTC temperature protection
- Connector: DC connector
- Application: Electric power tool battery pack, DIY power bank, lithium battery assembly
- Feature: Multi-protection, compact PCB, easy installation
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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