Makita BL1815-2 18-Volt 1-1/2 Ah Compact Lithium-Ion Battery, 2-Pack (Discontinued by Manufacturer) - Power Drill Accessories - Amazon.com
Amazon.com: IASOBLI BL1815 Replacement for Makita 18v 6.0Ah Battery Compatible with BL1860B BL1850B BL1820 BL1830 BL1840B BL1830B BL1815B LXT-400 Cordless Power Tools with LED Indicator : Tools & Home Improvement
For Makita 18V 3.5Ah LXT Lithium ion Battery or Charger BL1815 BL1820 BL1830 LED | eBay
Powtree Li ion Battery For Makita BL1830 18V 3000mAh BL1815 BL1840 BL1860 LXT400 194204 5 194205 3 194309 1 Power Tool Battery|Rechargeable Batteries| - AliExpress
Upgrade】 CaliHutt 18V 6.0Ah Replacement Battery for Makita 18V Battery with LED Indicator BL1830 BL1850 BL1840 BL1850B-2 BL1845 BL1815 BL1820 LXT-400 LXT Cordless Power Tools Lithium-ion Battery