here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"aaa batteries"
I'm Celeste, Newegg's tech expert! Need help with "aaa batteries"?
10PCS 1A High Current 18650 Lithium Battery Charging Board 5V Type-C USB Interface Input Charge Module with Double Protection
Limited time offer, ends 11/15
$35.59
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
2S/3S Lithium Battery Charging Protection Module, Type-C Interface, Battery Protection Board
Limited time offer, ends 11/15
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
AJMRTC 13S 48V 50A LithiumIon Battery Pack BMS Protection PCB Board, Liion Battery Management Module with Overcharge Discharge ShortCircuit Protection for 48V Lithium Battery Pack
Limited time offer, ends 11/25
$19.64
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 11/15
$18.96
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
AJMRTC 4S 20A BMS Battery Protection Module, 4.35V Overcharge & 2.5V Over-discharge Protection, 5A Discharge with Cell Balancing, Lithium Battery Management Board for 4S Series Li-ion Battery Pack
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 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 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 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 13S 48V 60A Compact BMS LithiumIon Battery Pack Protection Module, Isoport BMS Circuit Board Without Balance Function, OverCharge OverDischarge ShortCircuit Protection for Liion Battery Pa
Limited time offer, ends 11/25
$18.32
Free Shipping
AJMRTC 4S 5A BMS Lithium Battery Protection Board, 14.8V 16.8V Same Port Charge Board for 14500 Li-ion Battery Pack, Overcharge Over-Discharge Protection DIY Power Projects
Limited time offer, ends 11/25
$11.33
Free Shipping
