13-string chargers cannot be changed directly to 14-string chargers because their circuit design and hardware structure are different. If the 13-string charger is used for 14-string charging, the battery voltage will be too high, which will damage the battery and even cause safety accidents.
If you need to charge 14 batteries, you can choose to purchase an adaptive 14-string charger. When buying a charger, you need to pay attention to the selection of battery type, voltage and current and other parameters to match the required charging battery
Lithium battery pack 13 series to 14 series 13 series battery pack, with more than a year to change the 14 series to change the protection board for the charger can not be directly installed. Must be remeasured and fitted before assembly. Only after testing can its quality be guaranteed.