Victory electronic charger manufacturers to resolve your car charger production methods: a battery charger manufacturers, battery: you battery voltage of 12V, but the capacity is how much? When the car battery with a 20 amp --- to the car with hundreds of security, because of different capacity battery, the charging current is very different from 1.5A to about a dozen A. Second, Transformers: you now have a transformer iron 100 ÷ 2 = 50 pairs, each counted as film thickness 0.4-0.5mm, thick stack of 50 × 0.4 = 20mm-25mm, the calculation is based on the capacity of the transformer core middle load area Size (width × stacked thick tongue) battery charger customized according to your offer two stacked for 100mm, width is estimated in the middle of the tongue 35-40mm battery charger prices, so you have the core in (2cm × 3.5cm- 2.5cm × 4cm = 7-10) capacity of about 40-70VA, the output current is less than 40 / 70VA ÷ 12V = 3.3 / 5.8A battery charger, while the 12V power and requested charging current is 1.5A. Miner mining personnel only and a bright spot, but if mine is so dangerous that even light can not emergency how to do? 12V charger is designed for miner's lamp charger designed, with the charger is not afraid miner off, so whether it is mining or mining workers' lives to have a guarantee. 12V charger for its light lamp life! Zhejiang Sheng Lee Electronics company produces battery charger both convenient and secure. Battery chargers ordered, Lee Sheng Electronics Factory quality aftermarket battery charger provided by Shandong Sheng Li Yongkang electronics factory. Lee Sheng Yongkang Electronics Factory (www.ykshengli.net) Zhejiang Jinhua, a leader in electric car charger, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Lee Sheng Electronics Factory in leadership with the staff warmly welcome all inquiries negotiations to create Sheng Lee electronics factory a better future.