Makita BL4050F 40Vmax XGT 5.0Ah High-Output Battery is a genuine Makita 40Vmax XGT lithium-ion battery in the high-output "F" specification, built for tools that draw heavy current. It carries a remaining-charge indicator and self-diagnosis, and is sealed to IP56. Makita notes that some XGT models do not accept this pack.

• Voltage: DC 36V (40Vmax); capacity: 5.0 Ah; 180 Wh
• "F" denotes the high-output cell specification for high-draw tools
• Remaining-charge indicator and self-diagnosis function; IP56
• Charge time approx. 38 min practical, approx. 50 min full
• Makita part code: A-72372; for the Makita 40Vmax XGT platform
• Genuine Makita battery, not a third-party replacement
• Makita (Japan); manufactured in China
• Brand new, genuine Makita, shipped from Japan