Makita LXT 18V Lithium-Ion Battery 4.0Ah with Fuel Gauge BL1840B Two Pack - Walmart.com
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 4.0Ah with Fuel Gauge and Charger Starter Kit BL1840BDC1 - The Home Depot
18V 4.0ah Lithium-Ion Rechargeable Battery Bl1840 for Makita Power Tools Black - China Lithium Battery and Power Tools Battery Replacement price | Made-in-China.com