Amazon.com: 2Packs Upgraded 5.0Ah 18V BL1850B with LED Replacement Lithium-ion Battery Compatible with Makita 18 Volt Battery for Compatible Makita 18V Lithium-Ion Cordless Power Tools : Tools & Home Improvement
Battery 18v 4ah Makita Original | Makita 18v 5ah Charger Battery - Makita Original - Aliexpress
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 5.0 Ah with LED Charge Level Indicator (2-Pack) BL1850B-2 - The Home Depot