Anker Capsule Max Power Supply

I just got a Capsule Max to replace a Capsule (one) and realized it is powered by a DC in connection and not USB. The power supply provided is ridiculously short and since my bedroom installation is fixed, it doesn`t reach any outlets. Is there an alternative 15v 3A power supply with a longer cable I can use?

Without seeing the connector its hard to say, roughly what cable length are you after?

If it’s a DC barrel connector, I would think you might be able to get by with a universal adapter variation like the following