LiHD battery packs for high power and long runtimes, Intelligent battery management for long-lasting battery packs with a 3 year warranty, Patented “AIR COOLED“ charging technology, Permanent Electronic Single Cell Protection (ESCP) when charging, for particularly long life., Processor-controlled charge and discharge management, Capacity display for continuous monitoring of the charge status, High storage capability with almost no self-discharge, Battery pack with fall protection bar, easy and safe attachment with the safety connection for DS battery packs 628965000 (30cm) or 628966000 (60cm), Many brands, one battery pack system: This battery pack is compatible with all 18 V machines and chargers of the CAS brands: www.cordless-alliance-system.com