Amazon.com: VANON Upgrade to 4800mAh 14.4V 1420 Battery Replacement Battery for Makita 14.4V Battery 1422 1400 1433 1434 1435 1435F,2Pack : Tools & Home Improvement
Amazon.com: HeShunChang Battery 18V 4Ah Replace for Makita BL1811G BL1815G BL1813G BL1820G 195608-4 : Tools & Home Improvement
MT20DL Battery Adapter, Convert for Makita 18V Li-ion Battery to for DeWalt 18V/20V Lithium-Ion Tool Battery Adapter, Use for DeWalt 18V/20V Max Li-ion Cordless Power Tools - - Amazon.com