Amazon.com: [1Pack] 18V 5.0Ah High Power Battery for Hitachi Power Tools Fit BCL1815 BCL1820 BCL1825 BCL1830 BCL1840 EBM1830 327730 327731 18-Volt Battery : Tools & Home Improvement
Lithium Ion Replacement Hitachi 18V 3000mAh Rechargeable Li-ion Power Tools Battery Pack for Hitachi Bcl1815 Ebm1830 Drill - China Hitachi Battery, Hitachi Cordless Battery | Made-in-China.com