Amazon.com: Upgraded to 9.0Ah 1 Pack Lithium Ion Battery Replacement for Makita 18V Battery BL1860 BL1830 BL1840 BL1850 BL1850B LXT-400 with LED Indicator Compatible with All Makita 18V Cordless Power Tools :
1Pcs LB1830 18V Real 3000mAh Replacement Battery for MAKITA Rechargeable Li-ion Batteries for Power Tools LB1840 LB1850 LB1860 _ - AliExpress Mobile