Specification: Brand new Size: approx. 51*38mm Input Voltage: DC 6-32V Output Current: 50mA 100mA 200mA 300mA (4 kinds of output current optional) Rechargeable Battery Voltage Range: 1.2-24V Feature: Ni-Cd Ni-MH NiCd batteries charger module charging board. Can be filled with a variety of batteries: nickel-cadmium batteries, nickel-metal hydride batteries, a variety of voltages: 1.2-24V, constant current charging, 4 kinds of current optional, with a short-circuit cap conversion. Fully charged without self-stop function Please control the time according to battery capacity and charging current. (For example: 1000mA battery selects 200mA current charging time is about 6 hours full charge) The power supply of the charging board should be greater than the charging battery voltage of 5V or more. Fine workmanship and good performance. Easy to use. Long service life. Package included: 1 x Batteries Charging Board (battery and power adapter not included) Note: Please allow 1-5mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.