AIWA J505 series is a very classic BBE, DSL machine, look at the picture, take a real shot, change a new capacitor, lubricate the motor, run quietly, tape playback is normal, replay is normal, AM is normal, FM stereo, sensitivity, separation is normal, search The station stops automatically,Comes with an original lead-acid battery box and a PB-3 battery. The battery has been carefully modified, built-in 600mah high-capacity lithium polymer battery, with a special charging and discharging circuit, the output voltage is controlled at about 2.5V, matching the machine, can be separated The battery box works separately, making the machine lighter and more beautiful. The battery is charged by the Android data cable, the charging shows a red light, and it stops when it is full. Safe and reliable. It is the solution for the old machine.