Wanted: inverter that will drain a battery all the way?
August 12, 2007 12:53 AM Subscribe
My brother is looking for an inverter to use with a deep cycle battery while camping.
I use a 12v DC -> 120v AC power inverter hooked up to a deep cycle
battery while camping. Unfortunately the inverter I use emits a high
pitch whine when the output from the battery falls too low, presumably
as a warning. Eventually the inverter shuts off and the camp goes
dark. When I recharge the battery my meter indicates that it's still
got about a 60% charge remaining. The point of the deep cycle battery
(as opposed to a regular car battery) is that it can be fully
discharged without damaging it. Does anyone know of an inverter which
will let me use more than 40% of the battery's capacity and which
won't make an annoying noise when it gets low?