Spare transformer for C-series 20W LED aquarium lights / grow lights. When a LED light fixture breaks in a way that all or a section of LEDs do light light anymore, the problem is usually in the ballast (transformer) part. In the C-series LED lights the transformer is an external part which is quick detachable from the light panel, so it is very easy to replace.

NOTE! C-series transformer is model specific so it can be only used in 20W (50cm light units, the exact transformer type is SL-1501.6, DC15V 1,6A.