This battery charging controller Module, features automatic charging, automatic off. This module maximum limit is 30A.Small size, current, accurate turn-off voltage stability, protection and thoughtful, functional and reliable performance.Thick circuit board for long-lasting performance.With this automatic charging Module, make you relieved, and save energy at same time.Preventing the battery from under voltage and start charging, preventing the battery charging over voltage and stop charging.Specification:Name: Charge Control ModuleModel: -1708Battery Type: 24VVoltage Deviation: +/- 01VLoad: 30AColour: BlueMaterial: plasticSize: 7 x 51cmPackage Contents:1 x Charge Control ModuleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.