18v 3ah 4ah 5ah 6ah Li-ion Battery Rechargable Battery For Makita 18v Battery Bl1840 Bl1850 Power Tool With Led Indicator - Voltage Regulators/stabilizers - AliExpress
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Makita BL1041B 12V max CXT Lithium-Ion 4.0Ah Battery, Black - - Amazon.com
Original BL1041B For Makita Akku 12V MAX CXT BL1021B BL1020 4Ah / DC10WD Charger | eBay