The difference between cranking batteries and deep cycle batteries is:Ĭranking batteries are designed to deliver large bursts of power for short periods and be recharged immediately.ĭeep cycle batteries are designed to deliver a steady voltage, at a lower amperage, for long periods of time.Ĭrainking batteries have thin lead plates while deep cycle batteries have very thick plates.Ī cranking battery will not last as long being discharged to 11.5 volts as a deep cycle battery does.Īll lead-acid batteries (flooded cells, gel cells and AGM) really only last about 5 years under normal usage.ĭrawing a battery down and recharging consumes a little of the lead plates each time. I personally use automotive cranking batteries (the kind in your car) as my emergency backup power and ocassional field operation. However, in the real world, the difference between running at 12.6 volts and 13.8 volts will hardly be noticalbe at the receiving end.
#Radio shack battery charger flash chart full#
This will cause the radio to not output its full power, since they are designed to run at 13.8 volts (the normal automotive voltage when the engine is running, and the output for most "12 volt" power supplies). I think this would be the best way to go for what you want to do.Īutomotive (cranking and deep cycle) batteries will run at about 12.6 volts for quite awhile while powering a 100 watt radio. But that is the problem with some generators, the make a very square wave that is hard on equipment.
#Radio shack battery charger flash chart generator#
Then the powersupply would maintain the batteries and power your radios until you either shut off the generator to save fuel or or no longer need it. I believe you could run the power supply from a generator, provided the generator produces a reasonable similarity to a sign wave. I believe someone here can provice the manufacturer's name.
I believe it will allow the radio to draw power from the battery, and then charge the battery when the radios are turned off. The power supply puts out the filtered DC required for radio operation and the apparatus keeps a battery charged. One possible solution for you is to research the manufacturers of the apparatus that is designed to be connected to a power supply and also divert unused amperage to charging a battery. This is the main source of noise from many of the available battery chargers. One problem is that many automotive battery chargers do not really put out a steady, filtered DC current, but rather bursts or spikes of voltage/current at rather high frequecy.
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