Synergy Digital Power Tool Battery, Compatible with Hitachi DS 18DVB2 Power Tool, (Li-ion, 18V, 5000mAh) Ultra High Capacity, Replacement for Hitachi BCL 1815 Battery - Walmart.com
For Hitachi EBM1830 18V Battery 5.0AH Li-ion HXP 18 Volt BCL1840 BCL1820 EBM1815 | eBay