Features 1、The product is adopted of high quality aluminum alloy bottom shell, has long service life 2、This battery controller module can be applied to car generator, solar charging, wind turbine 3、This battery charging controller is suitable for storage battery, lithium battery, etc 4、The control voltage is12V-, and with high accuracy of 0.1V 5、The battery controller module is great for prolonging battery life Specification 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. Specifications: Model: YX831 Control voltage: 5-60V Control current: 30A Control accuracy: 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 S1 charging start setting button: S2 charging stop setting button: 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. Package Included: 1 x Battery Charging Controller Package List