... DC output 2.best price 3.portable and safety white battery charger All the date is just for reference,the Specific commodity ... .Output : 3.3 to 24V DC, 0.4-2AApplications:Fixed frequency control circuit Applies to mobile phone, CD/MP3 player, router ... stable work, output current constant, no drift. 3. High security, suitable for high humidity, high dust, strong vibration environment of use;Chip inside ...