CoolPack technology: keeps the battery cells cool for an extended runtime and 100% longer lifetime than standard Lithium-ion batteriesIntegrated fuel gauge allows you to monitor the charge status of Bosch batteriesBosch flexible power system: Bosch Lithium-ion batteries are compatible with all slide-type Bosch tools in their voltage class1600Z0003BCompatible with all 36V Bosch power tools Battery capacity: 2.0Ah1600A002U5 Compatible with all Bosch 18V power toolsBattery Capacity: 5.0Ah1600A004ZNCompatible with all Bosch 18V power toolsBattery Capacity: 6.0Ah1600A00L1MCompatible with all 36V Bosch power tools Battery capacity: 6.0Ah1600Z00032Compatible with all 14.4V Bosch power tools Battery Capacity: 3.0Ah