... approved 3. high quality,low price 4. fast delivery Lithium ion battery chargerInput100-240AC 50/60HZ(World use)Input plugsEU, US, UK ... , Australia, Japan, South Korea, CN(customized)Output4.2V/8.4V/12 ... , Phone, MP3/MP4, Boat Device, Rechargeable Bus and so on. 8.4v 3a li-ion charger charger for lithium battery pack