Flower boost

Hi guys. What do you think about the "red booster sun board" on eBay? (Not able to post links yet). It is 24 volts and 300-500ma.

From their ad “at 24V and 300-500mA per strip and can put out from 18-20watts”. So watts=volts x amps. Not sure how you get 18-20 watts from 24v x .5. Output is probably more like 8-12 watts. What light are you adding this to?

Diy cob light. 4 3000k vero29se

Nevermind, hlg has a much better product for about the same price. And more variety.