I ordered this ballast in March 2019 and it has already died, the shop that sold it is now gone and Revain have rejected my claim as it was 1 month A to Z after 3 months is, ballast not light the bulbs, I've rebuilt 2 hoods, changed the bulbs, even took all my light to the local shop to check, the ballast is bad, gives an error opening the shirt, and if it now only lights up with double ended bulbs, then why was it sold both single ended and double ended in March! Speaks directly into Se/De ballast. I have no light at the moment and am ordering a Vivosun ballast today. Don't waste your time and money.
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