Milwaukee M18 18-Volt 5.0 Ah Lithium-Ion XC Extended Capacity Batteries and Charger

The M18 REDLITHIUM XC5.0 Two Battery Pack delivers up to 2.5X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance providing users more work per charge and more work over pack life than any battery on the market. The M18 REDLITHIUM XC5.0 Starter Kit delivers up to 2.5X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance. The rechargeable battery also offers users 5.0 amp-hours of runtime. Each battery pack is durably built for heavy-duty use, runs cooler, and performs in climates below 0°F/-18°C. This protection routes water away from the electronics and out of the battery pack, extends the battery’s run-time and life by minimizing heat, and prevents pack failures from vibration or drops.