Lee Sheng Electronics Factory teach you the output DC voltage is too low causes: 1: end of the rectifier output voltage tripolar Chu, filter capacitor failure, can be judged by the substitution method 2: performance switching power tube decreases, Jinhua toy charger lead the switch can not be normal conduction, the power of resistance increase, with a load capacity decrease. Lee Sheng-electronics factory Teaches you regular charger judge good or bad performance: 1: When a new battery appears, mileage 20A battery is below 30 km less than 25 km 12A battery charger, please check the parameters, if not determine, toys charge Supply, replace the use of high-quality charger again, toy charger wholesale, you can solve the problem 2: The new battery encounter does not turn lights, replace another high-charger test machine, Ningbo toy Chargers | Li Sheng Electronics Factory Reliable quality | Toys charger to find any benefit provided by Sheng Yongkang Electronics Factory. Lee Sheng Yongkang Electronics Factory (www.ykshengli.net) is a professional "Electronic product manufacturing, processing and marketing" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage of healthy competition in the market, so that the "Victory Electronics Factory" brand has a good reputation. We adhere to the "service first, customer first" principle, so Lee Sheng Electronics Factory has won the trust of customers in the public electric car charger, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!