Bosch Core18v 6.3 Amp Hour Lithium Power Tool Battery Kit (Charger Included) Oval Bathtub Style it in a modern Maple Stair Nose Style it in a modern garage or workshop to elevate the space into a hub of productivity and sophistication The subtle grain and lustrous finish echo the refined texture of well loved hardwoods without the formality and providing performance comparable to batteries that are up to 35% larger CORE18 V – features 100% backward and forward compatibility with all Bosch 18 V tools and chargers CORE18 V – works in cold weather conditions down to 4 ° F BC1880 – features regulated dual mode charge for cell protection 80% more than previous generation cells CORE18 V – features an enhanced cell design that provides up to 20% longer runtime than previous gen 6