The Metabo LIHD 12V 4.0Ah Battery with patented “AIR COOLED“ charging technology The Metabo 625349000 is an 12V battery pack with 4.0Ah capacity. These batteries are extremely long-lasting and durable thanks to their permanent electronic single cell protection (ESCP) and Air Cooled technology. They feature a capacity display with almost no self-discharge making them ideal for the most demanding applications. Features: LiHD battery packs for ultimate performance and extremely long application with minimal temperature generation 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 with almost no self-discharge Specification: Battery pack voltage: 12V Battery pack capacity: 4.0Ah