... approved 3. high quality,low price 4. fast delivery Lithium ion battery chargerInput100-240AC 50/60HZ(World use)Input plugsEU, US, UK ... ) 0.5A-500A(charging current)Applied battery1-100cells 1-1000AhMax Output Power10KWOutput ConnectorUSB, DC, JST, XRL, Alligator Clip, Air plug and ... , Boat Device, Rechargeable Bus and so on. 8.4v 3a li-ion battery charger