Polymer Overvoltage Protection Of Lithium Battery Charger $ 9.39 Product information : Protection function: overvoltage protection Application: lithium battery charging Parameters: 110V-260V Output parameters: 21V 25.5V -29.4V Rated power: 88W Indicator light status: charging red light, fully charged green light. Series: 25.2 29.4V Packing list: Charger *1