Amazon.com: 7A DC18RC Replacement Charger for Makita 18 Volt Charger Rapid Battery Charger Compatible with Makita 14.4V-18V Li-ion Battery BL1415 BL1430 BL1815 BL1820B BL1830B BL1840B BL1850B BL1860B : Tools & Home Improvement
Amazon.com: TURPOW 7.0Ah Replacement for Makita 18 Volt Battery BL1815 BL1830 BL1840 BL1850 BL1860 194205-3 LXT-400 for Makita 18Volt Batteries LXT Lithium ion Cordless Power Tools with 2 Packs Wall Mount Holder :
Makita USA - Product Details -BL1815
For Makita 18V 3.0Ah LXT Lithium ion Battery or Charger BL1815 BL1820 BL1830 US | eBay