You'll get a full 258-mile charge in under 10 hours using a 240V AC charger like ChargePoint Home. If you can only access outside, it's simple to charge the Kona using the Level 1 charger that comes with the car.
For the availability, we would suggest you walk into the nearest dealership as they will be the better people to assist you because it depends on their stock book. You can click on the following link to see the details of the nearest dealership and selecting your city accordingly - Car Showrooms.
The battery cells were made by LG with a cathode that is 60 percent nickel, 20 percent manganese, and 20 percent cobalt. Each 39-kWh pack has five modules that are located under the floor in the main cabin with two stacked modules under the rear seats. There are around 180 cells in the battery pack and are wired into 60 cell groups of three cells a piece.