This isn't particularly cheap for a standard Bosch 18v battery but for the wireless type it's half the price of many outlets.
- 4.0Ah CoolPack battery for exceptional run time
- Compatible with all Bosch 18V Professional Li-ion tools (except GKS 18V-LI Circular Saw).
- Can be recharged on any Bosch 18V Li-ion charger
- Short charging sessions do not strain the battery