Amazon.com: 【Upgraded to 6000mAh】 6.0Ah 18V BL1860B Replacement Lithium ion Battery Compatible with Makita 18 Volt Battery BL1860 BL1850 BL1840 BL1820 BL1815B with LED Indicator : Tools & Home Improvement
Makita BL1820-2 18V LXT Lithium‑Ion Compact 2.0Ah Battery - Pack of 2 for sale online | eBay
Makita Reconditioned 18 Volt Compact Inpact Driver Kit with BL1820 – Tool Mart Inc.