Amazon.com: BL1830 18 Volt 3.0Ah Replacement Battery Compatible with Makita 18V Battery BL1860 BL1850B BL1840B BL1830B BL1815B LXT-400 Cordless Power Tools 2Packs : Tools & Home Improvement
Amazon.com: JJXNDO 150W Power Inverter for Makita 18V Lithium Battery BL1860 BL1850 BL1840 BL1830, DC 18V to AC 110~120V Portable Power Supply Charger Generator with AC Outlet & Dual USB Output &