InsideEVs has an article about Eviation, which is working to build a battery-electric commuter plane:
InsideEVs wrote:The company first showed the mock-up at the 2017 Paris Air Show and was present at the recent Singapore Airshow with a promise of first flights this year. Commercialization is to begin in 2019.
Eviation recently signed a deal worth over $1 million with South Korean battery manufacturer Kokam to provide 900 kWh battery packs, required for the range of the craft.. Batteries are to be highly energy dense at 260 Wh/kg.
Specifications (as of February 27, 2018):
- Seats: 9 passengers plus 2 crew members
- Cabin: Unpressurized
- Service ceiling: 12,000 ft.
- Cruise altitude: 10,000 ft.
- Cruise speed: 240 knots
- Range + IFR reserve: 650 miles
- VNE: 289 knots
- Approach speed: 100 knots
- Energy pack: 900 kWh Li-ion
- Length: 12.2 m
- Wingspan: 16.12 m
- MTOW: 6350 kg
- Propulsion: 3 X pusher propeller (one at tail and one on each wingtip)
- Powerplants: 3 X 260 kW
Here is a video (which appears to be an advertisement for 3D printing):
For reference, here is a link to the 27-Ah Kokam NMC cell which is likely what is being used in the battery.
Edit 2018-02-28: Added link to Kokam Batteries NMC cell.