Voltage: 3.2V lithium iron phosphate is , the actual voltage reaches full after just about 3.6V, so a high voltage for use on the 5th or the 7th Universal Electric battery voltage exceeds the limit in terms of easily causing appliances damage ; generic lithium battery uses intelligent voltage conversion technology, constant output voltage of 1.5V , ensuring the use with standard electrical voltage . ( Labels on appliances can be found " input voltage " parameter ) Note: Use of this product with the ordinary usage , like batteries , plus a placeholder barrel does not have to !