21V Max Lithium Ion Battery 3.0Ah Upgraded Version ()

[Power Sharing] 3.0Ah Lithium-Ion Battery Compatible With All 21V Series Tools. | | [Upgraded Led Indicators] The Upgraded Power Led Indicator Can Be Displayed On Both Sides, You Can See The Remaining Power More Intuitively To Help You Better Estimate The Working Time. | | [High Performance] High Performance Li-Ion Battery With Virtually No Self-Discharge For Maximum Productivity And Decreased Downtime. | | [Long Life] Lithium Ion Batteries Employ A New Battery Cooling Technology, Compared With Traditional Lithium Batteries, The Running Temperature Is Lower, More Efficient, Longer Run Time. | | [Safety Protection] Lithium Batteries Have Multiple Protection Systems, Built-In Intelligent Chip, Prevent Possibility Damage Caused By Overcharging, Over-Discharging, Over-Voltage, Over-Current And Short-Circuit. | |