Descriptions:This battery charging controller module, features automatic charging, automatic power off, suitable for battery use of 6V-60V, and use for car generators, solar power, wind turbines, electric vehicles charge.Feature: Thick circuit board for long-lasting performance. Easy to wire and safe to use. Adjustable parameter and memory retention function. Suitable for various storage batteries and lithium batteries. Automatic charging and discharging, safe to operate. Used for car generators, solar power, wind turbines, electric vehicles charge. Specification:Name: Battery Charge Control ModuleControl Voltage: 6-60VControl Current: ≤10AControl accuracy: 0.1VVoltage Deviation: ±0.1VApplication: various storage batteries and lithium batteriesSize: Approx. 7*4.8*1.7cm / 2.8*1.9*0.7inchWeight: 33gVoltage set method:In the state of normal stage(digital tube flash)Starting key can turn up the voltage.Stopping key can turn down the voltage.Set starting voltage:In the common state of normal voltage display, press the starting key, display the charging starting value voltage.Long press the starting key until the digital tube flash. Set the charging starting voltage value by starting key and stopping key.Set stopping voltage:In the common state of normal voltage display, press the stopping key, display the charging stopping voltage.Long press the stopping key until the digital tube flash. Set the charging s