Makita XGT 40V Lithium Ion Battery (NIB) - $100 (Reno)

Firm.
Never used, still in box.
The Makita BL4040 is a 40V max XGT 4.
0Ah battery.
It is designed to outlast the competition and features an impact-resistant outer case and shock-absorbing inner-liner to protect the battery in harsh jobsite environments.
It also has rigid rails with impact-resistant construction to secure the battery to the tool during high-demand applications.
The battery is equipped with smart technology and has a battery charge level indicator with four bright green LEDs.
It can reach a full charge in 45 minutes or less