- Fuel gauge-always know your power level before every job
- Cold weather performance battery operates down to -4 degrees F
- Triple protection electronics-protects the battery against over-charge, overheating and overloading
- Eco options and Energy Star certified
- Factory Reconditioned
Model #: R840087
RIDGID introduces the new 18-Volt 4 Amp Hour Hyper Lithium-Ion Battery. This 4.0Ah battery will give the user up to 2X more runtime and has 2X longer life compared to standard lithium-ion batteries. Best of all, this 4.0Ah battery is 100% compatible with all RIDGID 18-Volt tools and lithium-ion chargers.