DeWalt DCB615 20V/60V Max FLEXVOLT 15.0Ah Battery

The FLEXVOLT 12.0 Ah Battery provides up to 8X runtime in 20-Volt MAX and delivers ultimate power in 60-Volt MAX and 120-Volt MAX cordless tools. It changes voltage when you go from 20-Volt MAX to 60-Volt MAX tools. Lithium Ion technology delivers performance in the same size as our 9.0 Ah Battery so it is more powerful in as compact a package as possible. It also includes a built-in LED Fuel Gauge for instant charge status and is compatible with all 20-Volt MAX tools and chargers.