... adapter & charger multifunction charger for laptop, laptop batteries and portable digital devices!! universal laptop adapter & chargerModel NO.: RFNC9 Warranty: one ... current, over-voltage, over-charge, over-heat and short circuit.5. With the repair zero-voltage-battery function.6. ... USB port, such as Mobile phones, MP3/MP4 players, Digital cameras, etc.7. Simplify charging process, save your time ...