Watch how a Cybertruck can charge your Tesla car with its power outlets

Some Tesla Cybertrucks have finally gone into the hands of the end users after the Delivery Event in November last year.

As this is an entirely new vehicle, Cybertruck deliveries to everyday pickup truck users are generating an overwhelming amount of content across social media and video streaming websites.

So, a couple who already owns two Teslas recently got the delivery of their Cybertruck. For the first time, they performed the most-awaited experiment — charging another Tesla with the Cybertruck (video below). Tesla calls this feature “Powershare” as the truck shares its stored electricity with other Teslas, EVs, and electrical equipment.

Let’s dive into the background of this a little bit. Last year, before the Delivery Event, a picture of the Cybertruck’s bed was leaked. This photo showed the 120 and 240-volt power outlets of Tesla’s electric pickup truck.

Tesla has provided three power outlets in the Cybertruck bed. Two of these are 120-volt outlets and one is 240-volt. The 240-volt outlet can be used to insert a NEMA 14-50 plug coupled with a Tesla mobile charger to provide power to another Tesla vehicle.

As we can see in the image above, a NEMA 14-50 plug can perfectly fit into the Cybertruck 240-volt power outlet. The 120-volt outlets can also be used to charge another Tesla car, but the charging speed will be very slow.

The bottom side of the NEMA 14-50 plug is then inserted into the Tesla mobile charger (that comes with the vehicle). After this setup is complete, open the charge port of the receiving Tesla car and insert the NACS connector. A Gen 2 NEMA 14-50 adapter can be bought from the Tesla online shop for $45 separately.

Tesla Cybertruck AWD and Cyberbeast variants have a large battery pack of around ~123 kWh. This figure was derived from an EPA certification document Tesla filed last year. The EPA document reveals that the Cybertruck has an 816-volt architecture while the battery pack’s energy capacity is 150 Ah (ampere-hours).

We can get the capacity of a battery in kilowatt-hours by multiplying volts x Ah and then dividing the result by 1,000. According to the above battery specifications revealed by the EPA, the exact capacity of a Cybertruck battery pack is 122.4 kWh (for AWD and Tri-Motor Cyberbeast).

Tesla owners from the YouTube channel MyGadgetsWorld charged a Tesla Model Y by plugging it into the Cybertruck power outlet using the method we have described above.

Tesla Model Y was at 16% state-of-charge (SoC) when it was plugged into the Cybertruck. In 20 minutes of charging, it gained only 2% and jumped to 18% SoC. This is of course slow but the additional range can come in handy when a Tesla battery is almost depleted and needs a few miles to get to the closest Supercharger or other EV charging location.

Since the Model Y was already at 16% SoC, the car charged slower than expected. Below 10%, the battery will charge much faster saving time to charge.

Tesla might roll out an over-the-air (OTA) software update in the near future to increase the charging speed from the Cybertruck to other Teslas/EVs. This will definitely make the feature much more usable and practical.

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