The Bosch Power4All 18v 2.0Ah Green Lithium-ion Twin battery pack compatible with all members of the Bosch Power4All 18v cordless range of DIY Garden tools. Features Powerful lithium-ion battery which can be used in all tools in the Bosch Green "Power4All" 18v lithium-ion cordless system No memory effect. no self-discharge: always ready for use thanks to lithium-ion technology Particularly long life due to Bosch Electronic Cell Protection (ECP) "Power4All" is the cordless system with lithium-ion technology for an entire Bosch Green tool family in the house and garden: battery can be flexibly combined with charger and other tools in the Bosch Green 18 volt cordless family.