white battery charger 1.AC input DC output 2.best price 3.portable and safety ... power switch power supply 1.Input : 100 to 240V AC 50/60Hz 2.Output : 3.3 to 24V DC ... calorific value. 2. High stability, drive stable work, output current constant, no drift. 3. High security, suitable for ... current, overheat protective circuit. 4. Has the maximum output power limiting function, to avoid the impact of the ...