Operate your Battery Radio by USB port
For Radios operated by 2 pcs D-type Battery (2 x 1.5 = 3V)
Litio-Solar or other USB Ports, can provide power to your Radio and avoid the batteries.
Input:USB 5V Output Voltage:3V +/-10%
Dimensions:2x D-size Battery adapter 120mm x 32mm x 32mm
Connection:USB-A plug, 1.4m Wire length(0.2mm2)