Milwaukee REDLITHIUM batteries represent the next - level Lithium - Ion tech. They're fully compatible with all M12 Cordless tool system products. These battery packs offer professional tradesmen unmatched runtime, performance, and durability. The M12 REDLITHIUM 4.0 can give up to 2X more run - time, 20% more power, and 2X more recharges than a standard Lithium - Ion battery. It also shines in extreme job - site conditions. Built with Milwaukee's durability, the REDLITHIUM 4.0 battery runs cooler and works well in climates below - 18°C/0°F with consistent power. Key features: Up to 2X more run time, 20% more power than standard lithium - ion battery, operates cool and performs below 0°F with no power fade, 2X more recharges than standard lithium - ion battery. The kit includes an M12 charger (48 - 59 - 2401) and an M12 REDLITHIUM XC4.0 extended - capacity battery pack (48 - 11 - 2440).


Using this Milwaukee battery and charger starter kit is easy. First, make sure the charger is plugged into a proper power source. Then, place the M12 REDLITHIUM XC4.0 battery pack into the charger. You'll see it start charging. Once fully charged, you can use the battery in any M12 Cordless tool. Remember, don't expose the battery to extreme heat or cold for long periods. When not in use, store it in a dry and cool place. Also, try not to over - discharge the battery. For maintenance, keep the battery and charger clean. Wipe them with a dry cloth regularly. If you notice any damage to the battery or charger, stop using them right away and contact Milwaukee's customer service.