Charger Model: 3972730 normal operating conditions (1) no more than 2000 meters above sea level; (2) the ambient temperature is not higher than + 40 ℃ and no less than -10 ℃; (3) air relative humidity less than 85% ( When the medium temperature is 20 ℃ ± 5 ℃ when); (4) non-conductive dust place; (5) the absence of explosive environment; (6) does not contain corrosive to metal and insulation of gas and steam environment; (7) In the absence of rain and snow; (8) in the vertical tilt of no more than 5 degrees and no severe vibration and shock. Charger Model: 3972730 Charging ? Connect the charger and the battery charging plug; ? Turning the power grid; automatic shutdown ESD5330 ? After charging is completed, adequate light, the information window shows the battery voltage. Note: n charging can press the INFO button checked other charging information; n as fault lights, check the error code in the message window after control fault code table; n the process of charging the battery charging current versus voltage rise gradually declined. ESD5111E, faithful electromechanical (certified), ESD provided by the Dongguan City, South City Zhongxin Electrical and Mechanical Services Department. Dongguan City, South City Zhongxin Electrical and Mechanical Services Department (zhongxin888.net.cn) is Dongguan, industrial products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Electromechanical faithful leadership in the staff warmly welcome all inquiries negotiations to create a better future for electromechanical faithful.