Descriptions: The product is adopted of high quality aluminum alloy bottom shell, has long service life. This battery controller module can be applied to car generator, solar charging, wind turbine,with this charging controller, it will be great for prolonging battery life. Features: The product is adopted of high quality aluminum alloy bottom shell, has long service life. This battery controller module can be applied to car generator, solar charging, wind turbine. This battery charging controller has the function of parameters adjustable, automatic charging, automatic disconnect power function. The battery controller module is great for prolonging battery life. This battery charging controller is suitable for storage battery, lithium battery, etc. The control voltage is 5V-60V, and with high accuracy of 0.1V. Specifications: Model: YX831 Control voltage: 5-60V Control current: 30A Control accuracy: 0.1V Voltage error: ±0.1V Scope: storage battery, lithium battery, etc Size: 9.5 x 6.1 x 3.4cm/3.74 x 2.40 x 1.34inch Installation size: 95 x 60mm/3.74 x 2.36inch Packing: antistatic bag Weight:104g Setting Method: S1: up-regulated voltage S2: down-regulated voltage S1 charging start setting button: Under normal display voltage, press the S1 button to display the charging start voltage value Long press the s1 button digital lamp tube flashing, and set charging startup voltage value through s1 and s2 buttons S2 charging stop setting button: Under normal display voltage, press the S2 button to display the charging stop voltage value. Long press s2 key digital lamp tube flashing, through s1 and s2 buttons to set charging stop voltage value. Restore factory Settings Under the state of electricity, press the buttons of s1 and s2 at the same time, and the digital tube displays 888, that is to restore the original factory setting success. (Note: when s1 cannot up regulate the voltage, set s2 first, and s2 cannot down regulate the voltage, set s1 first) Package Included: 1 x Battery Charging Controller