Quote:
Originally Posted by DannyLlama
From everything I have read and reviewed, a second battery will come in handy if you are running crazy amount of high voltage equipment. IE winch + million lights + high preforming system.
Otherwise, get a good solid deep cycle battery and will you be golden.
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It's all 12V (nominal) voltage
If you meant high amperage then a second battery is just a band aid to fill short periods of time when you are drawing more than your charging ability (for example, very long hard winch pulls). If your lighting or other accessories exceed your alternator, you need an upgraded alternator not a battery.