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
For Hitachi 18v 3000mah ,li-ion Power Tool Battery Bcl1815 Ebm1830 326240 326241 327730 327731 Cj-open - Battery Packs - AliExpress
2000mah For Hitachi 18v 18650 Li-ion Lithium Tool Battery Pack Bcl 1815 Bcl1815 For Self-installation - Rechargeable Batteries - AliExpress
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