here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"custom"
I'm Celeste, Newegg's tech expert! Need help with "custom"?
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 11/15
$18.98
Free Shipping
AJMRTC 3S 11.1V 12.6V 10A Lithium Battery BMS Protection Board, 3 Strings 12V Li-ion Cell Management Module with Overcharge, Overdischarge, Short Circuit Protection for 18650 Battery Pack DIY
Limited time offer, ends 11/25
$10.98
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 2S 7.4V High Current BMS Protection Board, for 18650 26650 Lithium Polymer Battery Pack, Charge Discharge Management Module for Vacuum Cleaners & Small EV DIY Projects
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 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 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
JKBMS JK-BD4A17S4P Smart BMS 8S-17S 40A BMS with 0.4A Active Balance
OUT OF STOCK
Sold Price: $91.99
$5.99 Shipping