In the event the charger is made for the specific gadget and battery, then no. In the event the charger just isn't created for the gadget or has the incorrect voltage, then it could hurt the battery. Notes - Shipping and delivery *Believed supply dates consist of seller's managing https://supplyforsale.ca/product/45w-l-tip-replacement-power-adapter-charger-for-macbook-air-a1244-a1374-a1304-a1369-a1370-a1377-before-2012-model