I have not used the California Lightworks SolarXtreme 250 personally, but there are a plethora of grow lights on the market that I would recommend over that model.
At one time when I was looking for some more lighting, I looked into CLW's lights. With the SolarXtreme's, I'm not a big fan of the nameless driverless COBs(according to California Lightworks "Proprietary CLW COB chip on board") they use in the lights. Also, unlike with the SolarSystem series, CLW does Not list system efficacy numbers or PPF output of their SolarXtreme lights. They just provide a couple of PPFD readings from different heights. FWIW the SolarXtreme lights have a 3 year warranty(or only a 1 year warranty depending on where you read it, CLW's site says 3 year warranty and LED Grow Lights Depot says 1 year) and the Solarsystem lights have a 5 year warranty.
I think it was in the LED and Other Lighting category within the last couple months, there was a member who bought a SolarXtreme light and said it felt very cheaply made.
Have you already bought the light?
Are you in the USA?
What size space do you want to illuminate and do you intend to use the light for the full grow cycle?