Exclusively featuring Dewalt’s proprietary NANO Technology, the DeWalt DC9180C 18V Battery Pack is compatible with the DeWalt 18V system of 40+ tools. The NANO-Phosphate Lithium Ion cells deliver 2000 recharges and are renowned for their long battery life. The battery pack has no memory and virtually no self-discharge, leading to maximum productivity and less downtime. The DC9310 charges all DeWalt 7.2V - 18V NiCd, NiMH or Li-Ion batteries in about an hour, with Univolt as an exception. This helps the user to make optimum use of a single charger for multiple cordless products. The DeWalt DC9180C Battery Pack also features the patented 3-stage charging system, to maximize performance and also extend the overall life of the battery. The DC9180 18V battery pack comes with DC9310 one-hour charger.