Durability: The intelligent Battery Management System (BMS) allows the battery to communicate with the tool and charger to offer triple battery protection prevent over loading over charging and over discharging for longer tool and battery life.
Performance: The BL2012 20V 2.5Ah battery delivers 95% longer run time than its predecessor the BL2005 (That's over 221 lug nuts when used with the W5130!). And at the same size and weight as the previous model you can get more work done on a single charge.
Battery Fuel Gauge - 4 light positions
Quick charging feature in one hour or less
Versatility: The BL2012 2.5Ah batteries sleek design enhances mobility by minimizing obstacles. Its lightweight construction maintains power output, allowing for efficient completion of large projects using a thinner tool.