The Einhell 18 V 3. 0 Ah lithium-ion rechargeable battery can be the starting pt. For gardeners & DIY enthusiasts for getting to know the popular high-performance system series from Einhell. The rechargeable battery is also equally suitable for use as an addition to existing power X-Change equipment, for keeping garden Equipment & other tools permanently ready for action. The multifunctional & interchangeable rechargeable battery System can be used universally for all the products from the power X-Change system series. Every PXC device from the garden & tools ranges can be operated with every rechargeable battery from the system series. In addition, the chargers from the series are also designed for universal use. A single rechargeable battery & a single charger for all tools Saves significant costs Not just of buying, it also eliminates the untidiness & chaos of having different rechargeable batteries & chargers for each separate tool. Maximum safety during operation of the 18V 3. 0 Ah power X-Change rechargeable battery is ensured by the proactive battery management system from Einhell. The batteries have a much longer service life, because the charging cycles are adjusted to the specific situation. In addition, the parameters are continuously monitored by state-of-the-art components during operation. The high-quality lithium-ion cells are resistant to the self-discharging normally associated with batteries, & the rechargeable batteries can also be charged whatever the charge status without incurring any damage. A three-step LED battery charge status indicator shows the actual charge status in real time. The rubber-coated housing provides excellent impact protection & a firm grip as well. Integrated recessed handles enable the battery to be taken out effortlessly & Ergonomically.