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topalarms

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  1. Optima Xl6 - Flat Backup Battery?

    topalarms replied to alan67's topic in Control Panels (Public)
    Diagnosis is probably correct, 7 years without servicing is not good - time to fork out for a proper service if you ask me, a 12-volt 2.1ah battery will fit but an engineer can tell you if that is suitable for your system.

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