Li-Ion replacement Yaesu/Vertex FNB68LI battery provided by AtBatt.com is designed for use with the VX600, VX900 two-way models. The 2W-EXFNB68-LI is designed to replace OEM part numbers: FNB68LI. AtBatt.com two-way batteries are precision-engineered. • Chemistry: Li-Ion • Rating: 7.4V 1800mAh • Warranty: 1 Year