Experience enhanced productivity with the Milwaukee REDLITHIUM 2.0 Ah battery, offering up to 40% more run time than previous 4-volt packs. Engineered for superior durability, this compact battery delivers up to 50% more run time than the competition.

• REDLITHIUM 2.0 Ah technology provides superior run time and enhanced durability.
• Delivers up to 40% more run time compared to previous 4-volt battery packs.
• Outperforms the competition with up to 50% more run time.
• Compatible with the 48-59-2001 M4 charger.
• Designed for use with compatible tools such as the 2101-20 M4 1/4 in. hex screwdriver.