For MAKITA BL1820 BL1815 BL1830 LXT 18V 18 Volt Li-Ion Extended Battery 2500mAh 653892080454 | eBay
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 :
Replacement Universal Charger for Makita Power Tool Chargers (100-240V) - Compatible with Makita BL1830, Makita BL1815, Makita BHP454, Makita 6095D, Makita BHP452, Makita BMR100, Makita BTD141 - Walmart.com