Maximalpower replacement battery for Hitachi18V 3.0Ah Li-ion 326240, 326241, 327730, 327731, BCL 1815, EBM 1830 G 18DL G 18DLX G18DLP4 RB 18DL RB 18DLP4 UB 18DL UB18DLC WH 18DL WH 18DMR WH18DFL 100% compatible with OEM Hitachi tool and charger Lithium, Li-ion battery, 18V, 3000mAh (3.0Ah) capacity Integrated microchip prevents overcharging and extends battery life 1-year Manufacture warranty