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Thread OP
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Help!
DC in too low
Hi guys
Every time I try to balance and charge a 5000 mAh, 30C and 14.8 (4S) lipo battery, I get a message "DC in too low, DC: 12.3 V ". I found a potential solution on the internet which was to change the program select to the NiMH BATT. However, it gave me a error message "connect error check main port". My charging and balancing configurations are both 5.0 A nad 14.8 V (4S). Hope somebody can help me. Thanks in advance! |
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Does you charger perform properly with another battery?
If your charger is really set for 14.8 V and is not faulty then there is something wrong with your battery. A multi meter can be used to check the actual battery voltage and with care it is possible to check the voltage at each balance wire. However a "connect error" suggests the charger is not "seeing" the correct voltage. This can be because one or more of the cells has been discharged below the minimum the charger accepts for a LiPo or that one or more of the battery wires (main or balance) has become disconnected. A cell with a low voltage may be recovered by the solution you discovered although it is unlikely the cell will return to its full capacity. A broken connection is tricky. It could be a bad connection at either the main or balance plugs or more likely where the wires are soldered to the cells within the battery. Working on a 'live' battery is not recommended. When the wires are exposed an accidental short can be serious and result in an LiPo fire which is very fierce and almost impossible to extinguish until the cell(s) are fully discharged. If you can determine that your charger is working correctly using any other battery then you may have to accept a replacement 5000 mAh 4s battery is the only option.. |
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Quote:
I charge 8 cell lipos at 29.6 volts with a 12 volt power supply. Modern chargers use the 12v input and create the voltage output at whatever voltage is needed by the battery. |
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