Power X-Change Plus 18V 4Ah - 6Ah Multi-Ah Power Tool Battery - 

The Einhell 18V 4-6 Ah Multi-Ah PXC PLUS is a member of the multifunctional and completely interchangeable Power X-Change rechargeable battery system from Einhell. The Power X-Change rechargeable batteries can be used universally for supplying power and endurance to every cordless tool from the entire garden and workshop product family. The advantages to the customer are obvious: A single rechargeable battery and a single charger for all tools not only saves significant costs of buying, universal use also helps protect the environment and provides flexibility in the home and garden too. It also eliminates the untidiness and chaos of having different rechargeable batteries and chargers for each separate tool. Thanks to MULTI-Ah technology, both 6Ah pack for maximum running time or 4Ah pack which places less stress on the battery for up to three times the service life can be used for operation. The latest generation of lithium-ion cells deliver 100% more power for maximum power in every application. What is more, the PLUS technology stands for extra power for energy-intensive jobs. In addition, the high-quality rechargeable battery resists the memory effect and the self-discharging normally associated with batteries, to deliver constant high power. The 18 V 4-6Ah Multi-Ah Power X-Change PLUS is a high-end rechargeable battery from the Power X-Change family and is also suitable for TWIN-PACK use for 36V applications. The ABS process-controlled active battery management system has a microprocessor for permanently monitoring the battery parameters. It therefore ensures maximum safety, optimum tool performance, maximum operating time and a maximum service lifetime. The exact, current charge level can be checked on a digital display.