Amazon.com: 6.0Ah Replace for Makita 18V Battery BL1860B, Ultra High Capcaity Compatible with Makita 18 Volt Lithium Battery BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815B with Battery Holder 2 Pack, Black :
Amazon.com: DC18RC 18V Battery Super Fast Charger for Makita 14.4V-18V Lithium Battery BL1415 BL1430 BL1450 BL1440 DC18RD DC18RC DC18RA DC18SF DC18SD 194065-3 194066-1 DA340DRF BDF343 with LED Screen, USB Port : Tools