SANCC 18V 4000MAh Lithium-Ion HXP Battery Pack for Hitachi BCL1815 EBM1830 Battery Type: Li-ion, Voltage: 18V, Capacity: 4000mAh High quality replacement battery for Hitachi EBM1830 BCL1815 Has three times longer battery life and half the weight of Nickle Cadmium or Nickle-Metal Hydride Overcharge and over discharge protection to increase the life of the battery 30 Days Money Back and 1 Year Warranty