here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"battery"
I'm Celeste, Newegg's tech expert! Need help with "battery"?
01
in Circuit ProtectionBest Seller
Limited time offer, ends 11/09
$11.99
$12.99
Free Shipping
AJMRTC 14.8V 4S 30A 18650 Li-ion Battery BMS Protection Board, Lithium Battery Charge Discharge Balance PCB Module for 4 Series 18650 Battery Pack
Limited time offer, ends 11/29
$18.24
Free Shipping
AJMRTC 5Pcs TP4057 Type-C USB 1A 3.7V Lithium Ion Battery Charging Module Board, 4.2V CC/CV Charge with Overcharge Overcurrent Short Circuit Protection for 18650 Li-Po Battery DIY Project
Limited time offer, ends 11/29
$22.51
Free Shipping
2S/3S Lithium Battery Charging Protection Module, Type-C Interface, Battery Protection Board
Limited time offer, ends 11/08
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 3 Pack 3S 12V 100A BMS Li-Ion Battery Protection Board with Balance Function, Lithium Charger Protection Module for 18650 Lithium Battery Pack
Limited time offer, ends 11/25
$19.32
Free Shipping
4pcs 18650 Charging Board Dual USB 5V 2.4A Mobile Power Bank Module 186 50 Lithium Battery Charger Board with Overcharge Overdischarge Short Circuit Protection DIY USB Power Bank Board
Limited time offer, ends 11/08
$28.48
Free Shipping
3S 12.6V 100A Li ion Lithium Battery PCB Protection Board 3 Cells 11.1V Polymer Balance Function Charge Module BMS Circuit Protection PCB Board
Limited time offer, ends 11/09
$17.96
Free Shipping
20PCS Mini Lithium Battery Charging Board Module 3.7V 4.2V 18650 Lithium Battery Charger Protection Board with Type-C Interface
Limited time offer, ends 11/08
$18.98
Free Shipping
AJMRTC Dual USB 5V 1A 2.1A Power Bank Charger Module Board with LED Indicator, 18650 Lithium Battery Charging PCB, DIY Electronic Kit for Portable Charger, Battery Pack & Electronic Projects
Limited time offer, ends 11/25
$11.98
Free Shipping
AJMRTC XH-M604 Battery Charging Control Module DC 6-60V Digital Overcharge Protection Switch Board, Auto Cut Off Charger Controller for Lithium Lead-acid Storage Battery, Solar Charging DIY Power
Limited time offer, ends 11/25
$13.98
Free Shipping
AJMRTC 1PCS 12V Undervoltage Protection Module, Voltage Undervoltage Auto Recovery Load Cutoff Protection Switch, Low Voltage Disconnect Controller for Battery Power System Monitoring
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC DC 6-40V Charge Discharge Control Switch Module, Undervoltage Overvoltage Protection Board, Auto Cut Off Disconnect Controller for Battery Charging and Discharging Management
Limited time offer, ends 11/25
$12.49
Free Shipping
AJMRTC DC 6-40V Charger Control Switch Module, Undervoltage Overvoltage Protection Board, Auto Cut Off Disconnect Controller for Battery Charging Discharge Protection and Power Supply Monitoring
Limited time offer, ends 11/25
$10.04
Free Shipping
AJMRTC 5S 18.5V Li-ion Battery Protection Board, 15A/25A BMS Anti Overcharge Over-Discharge Board for 21V Solar Lighting Lithium Battery Pack, 5 Pack Lipo Battery Management Module
Limited time offer, ends 11/25
$11.82
Free Shipping
3pcs 3A Li Battery Charging Module Type-C Interface Charging Protection Integrated Power Module
Limited time offer, ends 11/09
$11.99
Free Shipping
Waveshare UPS Power Module for Jetson Nano with 5V Uninterruptible Power Supply Multi Battery Protection Circuits
Limited time offer, ends 11/07
