New BL4040 40V Max XGT 4.0 Ah Lithium Ion Battery for Makita 40V Max XGT Power Tools for BL4040 BL4050F - AliExpress
Makita BL4040 4Ah 36V Power Tool Battery, For Use With Makita XGT 40V Range
Makita 40V Max XGT 4.0Ah Battery BL4040 - The Home Depot
Makita 40V Max XGT Brushless Cordless 4-1/2/5 in. Paddle Switch Angle Grinder (Tool Only) with bonus 40V Max XGT 4.0Ah Battery GAG03Z-BL4040 - The Home Depot
Makita Battery BL4040 40V Max 4.0Ah Li-Ion 45Min 990g LED Indicator Fedex | eBay
Makita 40V max XGT 4.0Ah Battery and Charger Starter Pack, BL4040, DC40RA (4.0Ah) BL4040DC1 - The Home Depot
Makita USA - Product Details -BL4040-2
For Makita 40V Battery Li-ion Rechargeable Battery For XGT 40V BL4025 BL4040 BL4020 BL4050 BL4060 Electric Drill Screwdriver - AliExpress
Makita 40V Max XGT 4.0Ah Battery BL4040 - The Home Depot