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Tech Question What is the difference between Automotive and Deep Cycle batteries?

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  • Bonnie Jun 27, 2012

    Automotive batteries are designed for short, high amp loads (such as when you start your vehicle, it requires a high amount of amps). Once the vehicle is running, the alternator will recharge it.

    A deep cycle battery is designed to be discharged down to as much as 80%

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Automotive batteries are usually adequate for small inverters, (< 500 Watts). When used in a car, we suggest you run the vehicle of your engine occasionally while operating your inverter. If you use the inverter while the engine is off, you should start the engine regularly and let it run to charge the battery. Deep Cycle (marine) batteries are best for larger inverters as they are designed for several hundred charge/discharge cycles. (Automotive batteries wear out much more quickly after heavy discharge).

Posted on Aug 27, 2008

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