Einhell Power X-Change Multi-Ah Battery features high-quality Li-ion cells with no memory effect, low self-discharge and high, constant power. This cell technology delivers 100% more power for maximum performance. With Multi-Ah technology 6Ah for maximum charge level or 4Ah to protect the battery for 3x longer total lifetime. The charge level is precisely indicated as a % on the digital display. PLUS-technology provides increased power for intensive operation. The ABS process-controlled battery management system stands for maximum safety, optimum performance, operating time and lifetime. Covered with a rubber-coated housing that provides increased impact protection and protects against dust, corrosion and mechanical damage. Compatible with all Power X-Change chargers, machines and for twin battery use in demanding 36V power applications.