DEWALT DC9180-2 18-Volt XRP Lithium-Ion Batteries, 2-Pack Powerful and long-lasting; no memory or self-discharge The battery fits all DeWALT 18-Volt tools Delivers 2,000 recharges Must be charged with these DeWALT chargers, DC9310, DC9320 or DC9319 Lightweight design- 1.5-pounds; same weight as an 12-volt NiCd battery