Amazon.com: EKACO 21V Lithium Battery 4.0Ah Li-ion Battery Long Life Battery Work with Cordless Leaf Blower, for Makita Power Tools BL1860B BL1850 BL1840 BL1850B-2 BL1845 BL1830 BL1820 BL1815 LXT-400 Series : Tools
Amazon.com : 2Packs Upgraded 6.0Ah 18V BL1860B Replacement Lithium-ion Battery Compatible with Makita 18 Volt Battery with LED Indicator BL1860 BL1850 BL1840 BL1820 BL1815B LXT400 Cordless Power Tools : Tools & Home