ABS plus aluminum housing provides a rugged chassis that withstands workshop conditions while preserving precise performance 0.01 V voltage regulation accuracy across full load ranges ensures stable output for sensitive electronics Wide input DC compatibility from 5 V to 30 V, with integrated overvoltage, overcurrent, and overtemperature protections and LED indicators for real time status Automatic boost and buck converter lithium battery charging module delivers adjustable constant current and constant voltage output, input 5 V to 30 V, with up to 95 percent efficiency for reliable charging Suitable for laboratory testing, field equipment maintenance stations, and power management setups where voltage conversion is needed use scenario: in a laboratory, power test rigs and charge lithium battery packs from a bench supply or portable source using CC/CV control and clear LED status indicators use scenario: in the field, support field maintenance with variable power sources such as generators or solar panels, delivering safe and efficient Li battery charging and stable outputs use scenario: in power management and measurement benches, convert and regulate voltages from 5 V to 30 V input to supply and test assorted equipment with consistent performance