Bosch Bat414-2Pk 12V Max Lithium-Ion 2.0 Ah Battery 2-Pack. The Bosch BAT414-2PK features two 12V Max Lithium-ion batteries that each use advanced technology for optimum battery life, runtime and power in a compact package. With 50% longer runtime than previous generations, this battery weighs 0.3 Lbs. and delivers abundant power. Bosch?s easy-to-use 12V Max cylinder design is the choice for pros maneuvering in tight spaces. . Working in cold conditions is no issue with this Bosch battery, which features cold-weather performance up to -4 F. The battery offers compatibility with Bosch 12V Max cordless power tools and chargers. It features Electronic Cell Protection to help guard against overheating, overload and unnecessary discharge. OUTSTANDING PERFORMANCE: designed to efficiently power tools, with a light, portable 12V Max battery pack RUNTIME BOOST: engineered to deliver 50% more runtime than previous-generation Bosch 12V Max battery COMPACT SIZE: built to provide maneuverability, with a light 0.3 Lbs. weight and an easy-to-use 12V Max cylinder battery design COLD WEATHER OPERATION: works in temperatures down to -4 F SYSTEM COMPATIBILITY: operates with Bosch 12V Max cordless power tools and chargers ELECTRONIC CELL PROTECTION: helps guard against overheating, overload and unnecessary discharge DELTA SANDING PAD: designed for hard-to-reach areas