To answer to your question
In esseence the answer is "Yes" but you run the real risk of destroying your battery with possible serious consequences (ie fire)
When charging Lipo chemistry you need a balance charger which monitors each cell to determine state of charge and once a cell starts to near its peak voltage the charger will automatically bypass that individual cell.
The small flying lead coming out of the pack is the balance line used by the correct charger - ignore it at your peril