A couple of years ago I picked up three 5 Watt PIR floods, I think it was an SF special offer (but possibly TS).
In the end I didn't use them at the time, but trying one out this week I find none of them work, and they all have failed driver units (6-12V 400 ma). I bought some nominally identical 12 volt ones at the same time, and they have been fine.
Is that common? If I try to repair them, should I avoid the cheap eBay drivers? (I might re-purpose them as a workshop light on one driver, without the PIRs).