#2537-5: iPad compatible 2.1 A USB power ports (1 Amp per USB port if both are being used at the same time. If only one USB port is being used, it can produce the full 2.1 Amp.)
#2537: Original model, externally the same, but lower USB output.
- Serves as a cigarette lighter adapter to power up DC appliances
- Input voltage: DC 12V
- Two 12V DC outlets
- Two USB outlets
- Fit into most of cup holder
- Battery level indicator light