The BTECH GMRS-PRO battery pack is a DC 7.4V, 2600mAh high-capacity lithium-ion battery.
GMRS-Pro batteries are model: BP-26 and can be charged with a Type-C USB charging cable that makes charging your batter convenient and fast.
The dimensions of the battery 3.5 in. x 2.125 in. x .75 in.
This is a REPLACEMENT/SPARE battery for the one included with the radio.