Customer’s impression:
good Boa qualidade bom preço Cheap and Useful ok!
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  • Good - for what it is

    posted by rickajho on 07/05/2012

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month


    Slow discharge rate.



    Low capacity. Lower than stated.


    We bought these for one reason: For use in all those alarms clocks, clocks, weather radios etc. that use a 9v backup battery. Nothing more annoying than an expensive alkaline battery being completely drained when someone accidentally unplugs the clock radio while house cleaning...

    For this purpose this battery works great. Used as a backup battery we are getting 6 to 8 months run time before the battery needs a recharge. This is never a problem, since every device we have that uses a backup battery has some kind of "low battery" indicator telling you when to replace (or charge) the battery.

    But as is typical for any BTY product, and as other reviews have stated, this thing doesn't have a real 280 mAh capacity. I measured them at consistently below 200 mAh capacity. If you want a battery to use all day in a portable radio look for something better.


    Decent price for a low capacity 9v rechargeable.

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