The RIDGID 18-Volt High-Capacity 5Ah Lithium-Ion Battery provides all the power needed to tackle demanding tasks on the job site. With up to six times more run time and over twice the life of standard lithium-ion, the RIDGID 18-Volt 5Ah battery will push your tools to the limit. All Hyper Lithium-Ion batteries are built for high performance and protected from overheating, overloading and overcharging through their triple protection electronics design. Their chemistry allows for maximum performance in temperatures as low as -4 degrees F and up to 120 degrees F, so you can use it year-round in almost any climate.