Cramer offers you two different battery systems: Firstly, four handy and powerful rechargeable batteries for use in all Cramer 82V units. Secondly, a high-performance battery backpack that can be conveniently attached to the back with ErgoAssist harness system – ideal if you need a lot of energy and want to master a long period of work without fatigue. Due to their IPX4 classification, they are also perfectly suited for operation in rainy and harsh conditions.