For much simpler use, we recommend you the Field Charging Extension Cord (FCEC). It allows you to comfortably leave the charger and the Wingtra batteries in the car cabin, while connecting the clamps to the car engine.

• If your car battery does not provide enough power, you will get an error message telling “DC in too low”
• If this is the case make sure that the car engine is turned on, while other devices are turned off (radio, windshield wipers, A/C etc.)