The Einhell 18V 4-6 Ah Starter Kit is the perfect basis to expand the Power X-Change range at home. With one battery and one charger for all devices, you save considerable costs on the purchase, the universal application option protects the environment and at the same time offers flexibility. Thanks to MULTI-Ah technology, it can be operated as a 6Ah battery for maximum runtime and as a 4Ah battery for a 3x longer service life. The latest Li-Ion cells create 100% more power for max. Power in all applications. With the Einhell Charger Power X-Boostcharger 6A, batteries can be charged within 60 minutes. The switchable boost mode significantly reduces charging times by 50%.