This Milwaukee Replacement M18 4AH Red lithium Battery is designed with superior pack construction, electronics and performance to optimize work per charge and work over pack life. Its compact, lightweight design fits in tight work spaces and reduces user fatigue.
This battery new technology protected board support overcharge and overdischarge protection, overcurrent protection, temperature protection, short circuit protection, and anti-aging protection.
FEATURES:
* On-board fuel gauge
* Widest operating temperature
* Individual cell monitoring
* Progressive charge indication,
* Advanced discharge control
* Better fail-safes between tool, battery and charger