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Oleg_NV

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  1. Deye SE-G5.1 Pro batteries

    Oleg_NV replied to ZS1SCI's topic in Solar Assistant
    Hello all ! I will share a little of my experience of using SE5.1 pro b. When charging the battery, when the voltage on one of the cells reaches 3.6 volts, the BMS goes into standby mode and immediately goes into DISCHARGE mode for about 10 seconds. The discharge current is about 4-5 A. Such a current can only be obtained from a 12R 100W resistor attached to the case. I noticed this behavior on the LVESS0224725N02 firmware. On the previous version of the firmware, the battery simply goes into standby without using DISCHARGE. This seems to be a very useful function, especially if you charge with a high current. The same resistor is also used when turning on the battery as PRE CHARGE. Then perhaps it makes sense to update the firmware to version 2009 for those who have not updated it yet. What do you think?

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