Hi I just got a used DJI spark and doesn’t start. when I plugin DJI spark with the USB to charge the Sparks cooling fan turns on for a few seconds then turns off and continues to charge the led indicator light from led one to two for about two hour and never reach the third led and win I unplug the charger the battery is completely empty is there a way to revive the battery because they are hard to get for me Thank you
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