The Bosch 18V 8.0Ah ProCORE battery is the perfect balance between weight and power. Whenever you need high power over a long period: The ProCORE18V 8.0Ah delivers outstanding performance despite its compact size – comparable to corded tools of up to 1600W. Features and Benefits: High performance battery for up to 1,600 Watt corded power 87% more power compared to a conventional battery - thanks to latest cell technology and Bosch's intelligent battery management. Professional 18V System: 100% compatible with all new and existing Bosch Professional 18 V power tools and chargers 135% longer lifetime compared to an standard battery due to COOLPACK 2.0 technology preventing the battery from overheating Fully compatible with all Bosch 18V blue tools Supplied .