M18 18-Volt Lithium-Ion Starter Kit with One 5.0 Ah and One 2.0 Ah Battery and Charger

The Milwaukee M18 REDLITHIUM XC5.0/CP2.0 Battery 2-Pack System Starter Kit. The M18 REDLITHIUM XC 5.0 Ah Battery Pack delivers up to 2.5X more runtime . 20% more power and 2X more recharges than standard lithium-ion batteries. The M18 REDLITHIUM CP 2.0 Ah Battery Pack Delivers up to 2X more runtime . 20% more power and 2X more recharges than standard lithium-ion batteries. These lithium-ion battery packs feature superior pack construction . electronics . and performance . providing users more work per charge and more work over pack life than any battery on the market. Each battery pack is durably built for heavy-duty use . runs cooler . and performs in climates below 0��F/minus 18��C. This protection routes water away from the electronics and out of the battery pack . extends the users' battery run-time and life by minimizing heat . and prevents pack failures from vibration or drops. Built-in REDLINK Intelligence protects the battery from overloads . preventing users from damaging their cordless power tools in heavy-duty situations . while the discharge protection prevents cell damage. An integrated temperature management system and individual cell monitoring help to maximize battery life. In addition to the battery packs . the starter kit includes an M18 and M12 Battery Charger.