You can't because the CL works with 6V and this one is 12V. You need 6V and 2A (or more than 2A, but 6V is mandatory). It's ok to have a PSU with more power than the power needed by the load. The CL only needs 12W to work, so it's ok a PSU rated at 6V, and let's say as example, 10A, so 60W