Product Support

FAQs: Battery Care & Maintenance

QUESTION

Does an OPTIMA battery ever gas?

ANSWER

When used with a properly regulated constant voltage charging system (such as an alternator) the OPTIMA will usually not emit hydrogen gas. However, gassing can occur when charging at higher voltage levels or in extreme high temperature conditions. In automotive applications this typically will not happen if the alternator/regulator stay below 15 volts.

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