Synergy Digital Power Tool Battery, Compatible with Panasonic EZ3760 Power Tool, (Li-ion, 21.6V, 3000mAh) Ultra High Capacity, Replacement for Panasonic EY9L60 BatterySpecifications:Battery Chemstry: Li-ionVoltage: 21.6VCapacity: 3000mAhCompatible with: Panasonic EY9L60 BatteryWorks for: Panasonic EZ3760 Power Tool and many more