Is it normal for the CH light to be on when using the battery even though there is no adapter plugged into the CHG socket? Also can a DC power adapter be used to charge at 5V? I plugged it in briefly and saw a little smoke 
Is it normal for the CH light to be on when using the battery even though there is no adapter plugged into the CHG socket? Also can a DC power adapter be used to charge at 5V? I plugged it in briefly and saw a little smoke