Thread: Battery monitor

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    Battery monitor
    #1
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    ok, so the question is how to tell the condition of charge on my battery while the engine is running?
    do I need a volt meter, and amp meter or both?
    I want to be able to drive at night and run lights but when it's time for a break I need to know if I can just turn it off and have power to start the engine or should I turn the lights off and allow to charge?
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    Re: Battery monitor
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    Senior Member darwinpayne2000's Avatar
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    I don't know if any method for checking the charge status on a battery while the engine is running. Any measurement you take will also be measuring the voltage/amperage coming out of the stator/alternator.

    My approach would be procedural.

    Option 1. Setup the lights into a Bank1/Bank2 configuration. When you're done with your run, switch off one of the banks of lights and work your way back to camp, allowing the battery to charge.

    Option 2. Leave the lights as-is, but when you get back to camp, let the buggy idle for a certain amount of time to allow the battery to charge.

    Option 3. Keep a generator and a battery charger handy. If the battery is too low, slap the charger on it and let it run for a bit.

    There's also the final option. Spend some money on HID lights that pull a low number of watts, but generate a ton of light. Spendy, but it should solve the problem.
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    Re: Battery monitor
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    Super Moderator Wheels's Avatar
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    Darwin forgot option 4... which is what i am doing on my buggy. And that is installing a 2 battery setup. so, you have 1 battery 'in reserve' just in case.
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    Re: Battery monitor
    #4
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    That's what friends and jumper cables are for
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    Re: Battery monitor
    #5
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    Only way to know for sure would be to know max amp charging output and the total load amps . It would take two amp gauges to figure it out , one on output to battery and the other on battery output to load, if the output to battery is equal or higher your fine if the other way then you will be running on the amp hours of the battery
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