UPS battery diagnosis

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  • minitt
    Member
    • Jan 2009
    • 24
    #1

    UPS battery diagnosis

    hi,

    i have a 800VA UPS with data cable to monitor AC fail status and shutdown

    after designated time is passed but it dosent show battery charge level.(Not apc i guess)

    However it says it can output 480 watt on its back . its 220v 50HZ UNIT.

    24V system. 2x12V (7 amp each) so 24V @7 amp.

    Here comse the mystry part.

    i have a digital meter hooked up with the battry ternimal.

    **when connected to AC outlet the reading is 27V...

    so is it ok that the chrging Volt is 27 for 24v system?????

    ***then when the AC goes out UPS holds the PC but if AC blinks 4-5 times

    (such as during storm and heavy raining) my PC resets itself.

    but when it DID reset the battery voltage remained at 23-24.5....at dat

    voltage the pc should not reset ...am i right???

    battery is 1.3 years old.

    Should i simply change the battery or scrap the whole thing???

    How can i be sure bout the UPS unit without changing the battery????

    thnx
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