milwaukee m18 5.0ah redlithium-ion battery

Milwaukee REDLITHIUM-ION Battery M18

Redlithium cell produce fade free performance and able to work in extreme conditions, down to -20 degrees celsius.
Best in class pack construction, creating long lasting reliability, with features such as a single piece cell carrier, shock responsive separators, premium rubber overmould and a water protection barrier.
Battery fuel gauge, giving clear indication of the remaining run time. 

Battery charges in 59mins when used with M18™ fast charger