Last week I just got a watt meter so i can more finely adjust my SP-250 and what i noticed was my unit was set to around 100 watts which i thought was weird. Anyway i turned up the VO knob adjust all the way to the max like it says in their video but it stays at approx. 100 watts. I noticed the IO knob was turned all the way down to the minimum, I was curious my SP-250 is pulling 265 watts at the wall, i didn't think that is normal! Thats quite ALOT over the spec.
Actual Power: 245W+/-5% that mentioned on their site. I did test the meter on other electrical devices and it works just fine. I don’t actually mind the light drawing that much power it’s just unexpected. Then shao told me if it not my volt wrong or also not find the reason, they allow me to adjust the current on the back of driver ,so i did tried it . Now my light run 238w, lower draw than before but seems same bright, no big problem so far .