Battery of wheelchair

It comes with a charger and sufficiently long cord. No need to remove battery to charge. However, the WFT battery is very easy to remove if you wanted to charge it off the chair.

You do not need to unplug or remove the WFT battery to fold it. Although, doing so will lighten the load by another 6.5 pounds, so it could make it even lighter for you to lift it. But absolutely you do not need to unplug or remove the battery to fold it.

Yes, it has a 100-240 volt ac charger. the charger for this device is rated to work with 220 Volts. You simply need an adapter to change the plug for the overseas socket.

A lot of customers order a second battery and a standalone charger. With the standalone charger, you can charge the second battery directly from the wall outlet, and always have a full second battery to swap out at any time, leaving no downtime waiting for a battery to charge back up.

You will need to check the wheelchair in when boarding, to store it in the airplanes baggage compartment. You will not be able to check it in with the Lithium Ion battery connected. You must disconnect the battery, store it in the black travel pouch that comes with your wheelchair, and bring it with you in your Carry On bag. The DOT (Department of Transportation) regulates the allowance of lithium ion batteries that can be taken onto an airplane by the Equivalent Lithium Content (ELC) of the batteries. Some airlines may have their own restrictions, so it is always best to check with the specific airline you are flying. Most will be compassionate enough to allow it, as it does meet the DOT regulations and it is a mobility aid that is essential to your travel.