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Charging in sku 13820: red leds don't become green

  • Superi0r Thursday, June 9, 2011 6:09 AM Reply
    I charge this batts in sku 13820, but red leds don't become green! Batts don't overcharge, voltage after some hours of charging is 3.18. Is build-it protection protect butts, but charger wants to charge more?
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  • ItalianBoy Thursday, June 9, 2011 6:20 AM Reply
    3.18V means that the battery is absolutely empty. If 3.18V is the voltage without any load except the multimeter, the battery may have been damaged by overdischarge ( a completely empty li-ion battery would measure 2.8V under some load and 3.5V open circuit). What is the voltage measured across the charger without any battery inserted?
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  • Superi0r Thursday, June 9, 2011 6:37 AM Reply
    Voltage at charger without any battery inserted is 0.3V.
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  • cyclist Moderator Thursday, June 9, 2011 6:45 AM Reply
    Hmmm, seems that there is a bad batch of these type of chargers over the last month or two.
    I got 6 off the flat pin ones, and only one worked, the others were like yours.
    Contact DX for a replacement ~ http://support.dealextreme.com/
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    New customers read this ~ http://tinyurl.com/3kcyfqm
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