Milwaukee 48-11-1828 Genuine OEM M18 3 Amp Hour 18V Lithium Ion XC Extended Capacity Battery with Redlink Intelligence and Extreme Weather Performance N/A Imported EXTREME WEATHER PERFORMANCE: This battery can function in temperatures as low as 0 degrees Fahrenheit (-18 degrees Celsius), letting you use your tools year-round ONBOARD FUEL GAUGE: You can see how much fuel the battery has charged up with the LED panel on the side, keeping you aware of when you need to recharge FADE-FREE POWER: This will power your tools up to full strength, even when the batterys charge is low REDLINK INTELLIGENCE: This battery will communicate with the M18 tools its plugged into, reducing the risk of overheating, resulting in a more efficient workflow VERSATILITY: Over 40 tools in Milwaukees M18 line can be powered with this battery, giving you power from the jobsite to the campsite.