You are welcome, It is not a good practice to leave the batteries stored inserted inside of the charger. Metal on metal can cause contamination and rust over time (dependding on different climates. Charge the batteries up, disconnect from charger an...
Thank you for selecting Dremel Cordless products. Rather than a full discharge, it is suggested to partially discharge your Dremel Lithium- Ion batteries. Fully discharging should be avoided as much as possible. After use the battery should be rechar...
