Vertex Standard FNB-V131LI UNI Standard Battery for VX-231 Two Way Radio Walkie Talkies
The Vertex Standard FNB-V131LI is the standard battery pack that comes with your VX-231 two way radios. This
is a Lithium Ion battery pack rated at 1380 mAh and has an average run
time of 9.0 hours (7.3 hours w/o saver). This battery will only charge
with the UNI chargers:
VAC-UNI-B (comes standard with VX-231 radios), TWC6ML-UNI, and the VAC-6058B.
You can upgrade to a longer life battery pack by ordering the FNB-V132LI which is a 2300 mAh Lithium Ion battery pack that will have an average run time of 16.5 hours (13.5 hours w/o saver).