here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"tools"
I'm Celeste, Newegg's tech expert! Need help with "tools"?
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
Limited time offer, ends 11/25
$10.54
Free Shipping
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
Limited time offer, ends 11/25
$12.89
Free Shipping
AJMRTC STJF 7S BMS Protection Board, 25.9V 29.4V Lithium Battery Management Module with Cell Balance, 15A Current Limit for 7 Series 18650 Li-ion Battery Pack Assembly
Limited time offer, ends 11/25
$13.33
Free Shipping
AJMRTC BS 6S 25V 30A BMS Lithium Battery Protection Module, 2MOS Direct Insert Charging Board for 6 Series Li-ion Battery, Fit Hand Drill, Electric Wrench, Hand Grinder Power Tool
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC 5S 18/21V 20A Li-ion Battery Pack BMS Charging Protection Board, DIY Replacement PCB Circuit Board for Makita 18V Lithium Battery Pack, Overcharge Over-Discharge Short Circuit Protection
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC 4S 14.8V /16.8V 20A Peak Li-ion BMS PCM Battery Protection Board, Lithium Battery Management Module for LiCoO2 LiMn2O4 Cells, Overcharge Over-Discharge Short Circuit Protection
Limited time offer, ends 11/25
$10.83
Free Shipping
AJMRTC 3S 25A Li-ion Lithium BMS PCM Protection Board with Balance Function, 12.6V Lithium Lipo Battery Pack Management Module, Overcharge Over-Discharge Over-Current Short Circuit Protection
Limited time offer, ends 11/25
$11.84
Free Shipping
AJMRTC 3S 25A Li-ion BMS PCM Protection Board with Balance Function, Lithium Battery Management Module for 3S Li-ion & Lipo Cell Pack, Overcharge Over Discharge Short Circuit Protection
Limited time offer, ends 11/25
$11.05
Free Shipping
AJMRTC 4S Lithium Battery Charge Discharge Protection Board, 14.8V / 16.8V 20A Current Limiting BMS Power Supply Module for 4 Series Li-ion Battery Pack
Limited time offer, ends 11/25
$11.09
Free Shipping
AJMRTC 4S Lithium Battery Protection Board, 14.4V/16.8V 14A 2MOS Four Strings BMS Module, Overcharge Over Discharge Short Circuit Protection for Lithium Battery Pack DIY Projects
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC BMS 10S 36V 15A Li-ion Battery Protection PCB Board, with Cell Balance Function, Overcharge Over Discharge Short Circuit Protection for 10 Series Lithium Battery Pack
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC 3S 20A Lithium Battery BMS Protection Board, 10.8V 11.1V 12V 12.6V Li-ion Lipo Charger Discharge PCM Module, 10A Continuous Current Battery Management PCB for Battery Pack DIY Projects
Limited time offer, ends 11/25
$12.00
Free Shipping
