Part of Einhell's multifunctional and combinable Power X-Change Battery System. Universal Power X-Change batteries supply all cordless tools in the entire product family in the garden and workshop sector with power and endurance. Due to Multi-Ah technology, it can be operated as an 8.0Ah battery for maximum runtime and as a 5.0Ah battery for 3 x longer service life. PLUS technology also means extra power for intensive work. In addition, the high-quality battery resists the memory effect and the self-discharge that usually occurs in batteries for consistent, high power. Also suitable for 'Twin Pack' use in 36V applications. Process-driven ABS Active Battery Management System continuously monitors the battery settings using the integrated microprocessor which ensures maximum safety, optimal device performance, maximum runtime and maximum service life. The exact, current state of percentage charge can be controlled on the digital display. Housing is resistant to dust, corrosion and mec...