Powers M28 and V28 tools. REDLINK intelligence provides optimized performance and overload protection using total system communication between tool, battery and charger. Battery fuel gauge displays remaining run time. Up to 2 times longer run time than standard 18V NiCd batteries. Consistent fade-free power. Fewer cells, less than half the weight of NiCd batteries. No. 48-11-2830: Voltage: 28V, Type: Lithium-Ion, Ampere Hour: 3.0 Ah, Charging Time: 1 Hr., Warranty: 3 Year, Pkg Qty: 1, Package Type: Clamshell