After a lot of comparisons of four bay chargers - Opus, GyrFalcon All-44, Lii-500, I ordered an Lii-500 from Fasttech, it will do what I need and is pretty much a compromise on pro's and cons and price. I don't think I would have gone wrong with any of those three, but had I ordered an Opus I would have ordered a spare fan for it from FT based on reviews and youtube videos - it runs the coolest though. I can charge my AA Nimh batteries with it as well as my li-ions.
After two weeks of use with the Lii-500, I like it a lot. I've charged 4 18650's at the same time (though I started out at 1A charge on all 4, I decreased that to 700 ma after an hour or so since I charge in my garage and it was a hot day). I've also tried the capacity test function which works, though can't be sure of the accuracy of it. One minus is you cant see all four battery parameters at the same time, however all I have to do is push the button for the battery i want to see the data for, and it stops charging when complete. That minor trade off vs. hotter running GyrFalcon or the Opus with a fan some say can get noisy and need replacing, was worth it for me.
Here's an excellent full review with pics:
http://lygte-info.dk/review/Review Charger LiitoKala Lii-500 UK.html
After two weeks of use with the Lii-500, I like it a lot. I've charged 4 18650's at the same time (though I started out at 1A charge on all 4, I decreased that to 700 ma after an hour or so since I charge in my garage and it was a hot day). I've also tried the capacity test function which works, though can't be sure of the accuracy of it. One minus is you cant see all four battery parameters at the same time, however all I have to do is push the button for the battery i want to see the data for, and it stops charging when complete. That minor trade off vs. hotter running GyrFalcon or the Opus with a fan some say can get noisy and need replacing, was worth it for me.
Here's an excellent full review with pics:
http://lygte-info.dk/review/Review Charger LiitoKala Lii-500 UK.html