Originally Posted by kaman
Anyone know how long (on average) .a fixed VHF SET would last on standby rigged to a 7ah battery
An SH GX1100E claims to draw:
Transmit: 5.5A (Hi); 1.5A ( Lo)
Assuming your battery is fully charged and you don't want to drain it below 50% you'll get 11+ hrs on standby. 3.5 hrs on receive or about 30 min transmit on Full power. Bearing in mind that if in distress you will really want that last option I would be looking at a slightly bigger battery.