Please be more specific. There are five types of EV charging stations, three of which can be described as "other," that a modern Tesla can use:
- Tesla AC stations -- These are most often found at hotels, and sometimes at restaurants. They're just Tesla Wall Connectors mounted in public places. No adapter is needed to use them to charge a Tesla, and they should work just by plugging them in, in most cases.
- Tesla Superchargers -- These also require no adapter, and should work just by plugging them in, assuming you have an active Tesla account.
- J1772 stations -- These are roughly equivalent to Tesla AC stations in speed, but they require using the J1772 adapter that comes with every new Tesla. Some are plug-and-play, but others need an account with a provider (ChargePoint, Blink, etc.), and must be activated via an app or RFID card. J1772 stations are very common, but as AC Level 2 stations, they're limited in speed.
- CHAdeMO stations -- Your question mentions CHAdeMO, so you may have run into a CHAdeMO station. CHAdeMO uses a large plug/socket that's roughly circular in shape. It's a DC fast charging standard that can charge at up to 50 kW (some stations can do 100 kW, but Tesla's adapter is limited to 50 kW). Tesla used to sell a CHAdeMO adapter, but it's no longer available in the US Tesla store. CHAdeMO is used natively by the Nissan Leaf and some older compliance cars, but as a standard it's failed in North America. Although there are still CHAdeMO stations in North America, and CHAdeMO plugs are still being installed, it's a doomed standard, and I cannot recommend buying a CHAdeMO adapter at this time. (It'd have to be imported or bought second-hand, if you did buy one.) When the Model 3 was first introduced, Tesla's CHAdeMO adapter did not work, but that limitation was lifted years ago; AFAIK, all Teslas sold in the US (aside from the Roadster) work with the CHAdeMO adapter.
- CCS stations -- The Combined Charging System (CCS) is another DC fast-charging system. The CCS1 variant used in North America uses a plug that is an extension of the J1772 plug; it adds two high-voltage/high-amperage DC lines below the J1772 lines, resulting in a roughly triangular connector. Currently, the fastest CCS stations claim they can provide up to 350 kW, although few or no production cars can actually reach those speeds. The J1772 adapter that comes with Teslas will not work with CCS. (It might physically connect the two ports -- I've never tried -- but it won't work to charge the car.) Tesla now sells a $250 CCS1 adapter, and third-party adapters are also available. Most of these adapters require CCS software support in the car and top out at about 200 kW, but one (made by Setec) does not, although that Setec adapter is limited to 50 kW speeds.
Your question suggests you were trying to use a CHAdeMO station with the J1772 adapter, but that won't work -- the two standards are physically incompatible, so you won't be able to plug them together; and even if you could plug them together, they're electrically incompatible.
If you have a recent Tesla (made since late 2020, IIRC), chances are it supports the CCS protocol and so can use one of the Tesla or third-party adapters. See
this article for more information, including instructions on how to check if your car is compatible. Most sites with CHAdeMO cables also have CCS cables, and vice-versa; but Electrify America has announced that their new stations will no longer provide CHAdeMO support. For information on CCS adapters, see
this thread. The first post has been kept up-to-date (last update was November 4), but early discussions may be outdated, so I recommend you read the first post and then skip ahead to the last page or two of discussions.
You say you need to travel 300 miles, but you don't specify what Tesla variant you own. Some Teslas can do that on a full charge, although for something like an early production Model 3 LR, 300 miles is optimistic in cold weather, hilly terrain, at high speeds, etc. If you can do the 300 miles on a full charge and then charge overnight at a Level 2 (Tesla or J1772) charging station, you should be able to make the round trip without access to DC fast charging en route. That said, it's a bit risky with most ~300-mile Teslas, and something like an SR Model 3 wouldn't be able to do that except with extreme hypermiling. Still, it might be possible to do it with an hour or two of Level 2 charging en route. Using a DC fast charger would likely be preferable, though.
Before embarking on a long road trip, be sure you understand the different charging types, outlined above. You'll be very frustrated if you arrive at a charging site expecting to charge from 10% to 80% in half an hour only to discover that it's a J1772 station that will add maybe 10 or 15 miles of range in that time. There's even considerable variability within each type. CCS, for instance, ranges from 20 kW to 200 kW top speeds on a Tesla. Slower CCS stations are common at car dealerships and other oddball locations. The faster ones are newer installations, usually by Electrify America or EVgo. Check
PlugShare or
A Better RoutePlanner for information on what sorts of charging stations are available along a given route. I've written
this web page with more information on how to optimize an EV road trip.