I noticed today that my charger isn’t showing any lights. Seems dead. I’ve checked the power outlet and changed the fuse. Nothing. I haven’t opened it up to check for damage yet but just wondered if anyone else has an idea of what it could be?
Bolloxed he he 
Don’t get too technical now…
I can’t help on what the problem is but my experience of the Oxford Oximiser 900 charger is that it went awol after about 10months. It just stopped working I changed the power lead, no difference. I got it exchanged as it was still under warranty, the replacement is ok after 18months. The trouble with the failure is that it also drained the battery to the point that my optimate charger had to recover the battery, so if yours was connected when it failed I’d check the state of your battery.
Edited to add, the new one is 8 months not 18, I mucked up simple subtraction…!
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Ooh ‘eck! I’d better check that out
I had one of those which also went tits up after a very short time! Piece of crap 
I then bought an Optimate which has been good.
I’ve had my optimate since the turn of the century (I love using that phrase!) and it’s been a reliable/quality piece of kit, even if it fails now. I feel the same as you about the oxford charger.
So in conclusion, the diagnosis seems to be “it’s broken”.
I rely on people’s expertise. I thought it was asleep. 
Don’t know if there is a quality issue with Oxford chargers, but the one I bought died after 1h… I now have an optimate.
There seems to be a trend here
There is. And I’ve just noticed I said it’s an Oxford when it’s an Optimate. D’oh!
If you end up replacing I would recommend a Ctek MXS 5.0. Quality kit that covers bikes/cars/AGM or regular batteries, maintenance/recovery modes, etc.
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Doesn’t help with your Optimate/ optimiser but +1 for Ctek kit.
Why do you prefer the CTEK chargers to the Optimate and which one did you choose? I can’t see a dual charger on their website.
Ah, forgot about that, not a dual output charger unfortunately.
Well, my Optimate Duo 2A appears to have packed up. It always just goes straight from charging to fully charged when clearly it’s not fully charged. It’s about three years old, so nicely out of the two year warranty.
Just thought I’d check in and see if anyone has any new recommendations on chargers before I scroll through 20 pages of chargers on Amazon…
CTEK as shown in the pic above your post. Not cheap but good. I have a car one for my AGM batteries and it seems capable of raising the dead. Also has a motorbike option, was about 75 quid off Amazon. 
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+1 for Ctek.
I have the MXS 5.0 which I rotate around 3 bikes and the car as needed.
(Not a twin output as you have though)