The USB output 5.0V(150mA) port give the MP3 player, mobile phone power supply and so on ipod.
It is suitable for computer USB power.
LED indicator show you the charging status clearly. When no battery in the charger, LED display green; When input the battery to charge, LED display red.
1 extra USB port for all USB devices
2 Status LEDs Indicator
Suitable for 4 pcs 2A/3A Rechargeable Battery
Auto Off Control
Size: 75 x 95 x 25 mm