Power Inverter Basics

Learn the basics of Cobra two‑way radios — from FRS/GMRS operation and battery types to VOX hands‑free tips and range characteristics.

Calculating Battery Life
To determine how long your battery will last before running down, you need to know the “Reserve Capacity” of your battery. Reserve Capacity is a specificati...
How Big Does the Battery Need to Be?
That depends on several factors: Will the inverter be installed in a vehicle? How many watts does the appliance consume? How long do you want to run the...
Cables and fuses
Power inverters draw a lot of amps from the battery, as shown in the following table.  It is highly recommended to keep the battery cables as short as possi...