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Amazon.com: ARyee 18V 6.0Ah Replacement Battery for Makita 18V LXT Battery Compatible with BL1860 BL1850 BL1850B BL1845B BL1840 BL1840B BL1830 BL1820 BL1815 Lithium-ion : Tools & Home Improvement
Amazon.com: Battery Charger Compatible with Makita 14.4V/18V Lithium-ion Battery,3.5A DC18RC Battery Replacement Charger with LCD Screen Charging for BL1830 BL1815 BL1430 BL1850 BL1840B BL1820 BL1860 BL1450 : Tools & Home Improvement
Amazon.com: BL1830 18V 3.0Ah Battery and 6.0Ah Lithium Replacement Battery with DC18RD Dual Port Charger Compatible with Makita 18V Battery BL1860 BL1850 BL1840 BL1830 14.4V-18V Power Tools Battery : Tools & Home
Amazon.com: 2 Pack 6.0Ah BL1860B Battery with DC18RC Charger Compatible with Makita 18V Battery BL1860 BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815B LXT400 18-Volt Power Tools Batteries : Tools & Home Improvement
Amazon.com: Amityke Battery Adapter,Power Wheels Adapter for Makita 18V/14.4V Battery BL1820, BL1830, BL1840, BL1850 with 14 awg Wires Power Convertor for DIY Ride On Truck, Robotics, RC Toys and Work Lights :
Amazon.com: Powtree BL1830 18V 3.0Ah LXT Lithium-ion Replacement Battery for Makita BL1830 BL1860 BL1850 BL1840 BL1850B-2 BL1845 BL1815 BL1820 BL1860B Cordless Power Tools Series-2 Packs : Tools & Home Improvement