Battery Adapter for Makita 18V Li-ion Battery To Replace for Makita G series battery BL1813G BL1815G BL1811G Lithium Battery - AliExpress
Makita BL1813G 18 V 1 3Ah Battery Repair - YouTube
Amazon.com: HeShunChang Battery 18V 4Ah Replace for Makita BL1811G BL1815G BL1813G BL1820G 195608-4 : Tools & Home Improvement
Makita HP457D 18v Li-Ion Cordless Combi Hammer Drill with 2 x Makita BL1813G Batteries and 1 x Makita DC18WA Charger and Canvas Carry Bag , Fulfilled by Amazon | Amazon price tracker /