The old Dash Charger and the new Warp Chargers are compatible with both Warp Charge phones and only Dash Charge phones.
The cable is the same.
You can charge your Nord with you Dash Charge Car Charger at 20W. You aren't limited to the universal 5V 2A (10W).
The new Warp Charger charges your 3T at 20W too.
You get always the fastest possible charging speeds with the OnePlus chargers.
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