... li-ion battery charger 1. Direct factory 2. Strict quality control 3. Best price 4. Welcome OEM/ODM 24V li-ion battery charger1.Intelligent charger Li-ion ... 12V,24V,48V,60V,72V General Features for li-ion li-polymer battery charger : 1,Ac input: ... Cooling need a fan.4,Automatic,Advanced ,high frequency,swich mode design allows more efficient, ... 48V 20A 25A 30A high power li-ion li-polymer battery charger