This Metabo 18v LiHD 4.0Ah Li-Ion Battery is a new dimension in battery technology. LiHD battery packs are for the ultimate performance and extremely long application with minimal temperature generation. The combination of new high-performance battery cells and completely newly developed components in the pack ensure that maximum power remains available for an extremely long time. The revolutionary LiHD high-performance cells have a completely new electro-mechanical design with significantly stronger conductors, which in combination with more active material, permit a significant increase in the accessible power output, resulting in more usable energy for you. The LiHD batteries offer 67% more power, 87% longer run time and 100% longer service life. Features Ultra M technology: Intelligent battery management for long-lasting battery packs with a 3 year guarantee Patented €œAIR COOLED€œ 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 No memory effect Specification Voltage: 18v Capacity of Battery Pack: 4.0 Ah Air Cooled: Yes Standard Equipment 1x 4.0 Ah 18v Li-HD Battery Warranty click above logo for more details or to register you purchase online Trustpilot KINDLY REMINDER: Delivery to the UK Highlands, Channel Islands, Northern Ireland, Isle Of Wight, Isle Of Man and the following postal code areas: BT, FK, KA (1-30), PA(1-49), PA(60-78),PA80, PH, PH(11-40), PH(41-44), PH(49-50), AB, IV, KW, ZE, GY(1-10), JE(1-5), PO(30-41), IM, IR, HS are excluded from our standard delivery charge and may incur extra costs.