.I think I have the i4as well and I am charging mine. You just have to be a bit more carefull to make sure the positive lines up, but no problems. I put the 20700 and 26650 bats the outside of my 4 bay, seems they have a bit more space there and don’t push each other out of allignment.
It depends. As far as I know the older i4 can't take 20700/21700s but the newer version (the one they call "new i4") that was launched 2016 can. I have the newer one and charge my 21700s no problem.
Also found this handy list online of chargers that can take 20700/21700: https://www.imrbatteries.com/blog/chargers-which-fit-20700-21700-cells/
Ouch, not a good one. Hope you come right.Should've probably checked before ordering 2 batteries
Not according to the list linked by @Anvil above.
I saw that @Andre, but it is literally 1mm too long for the i2, hoping it might fit in the D4. Also have an older eFest Soda charger at home that might fit it if all else fails.
I had an older model i2 and can confirm they don't fit. But I also have a new i2 and new i4 and can confirm they definitely fit. It's a tight squeeze but they fit. Funny enough they fit more comfortably in the i2 than the i4. Anyway...So, next question then, what charger do you guys recommend I get next month
My recommendation is the updated i4. Better charging times than the older model if I'm not mistaken, and still all the other benefits and features.
The "New" Nitecore I2 & I4 work for 21700 batteries
Also, Mooch reckons it might fit in the soda. Apparently it fits the 20700 Sanyo, and quote "I do not know if these chargers will fit any other 20700 or 21700 batteries, but they should."
Link: https://www.facebook.com/batterymooch/posts/1900681943554716:0
While the 20700's fit in my main charger the 21700's don't. I bought the eFest just for my bigger batteries because it's made for them. No more trying to jam bigger batteries into my normal charger!
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I have the same question about the UM20 by nitecore. will it be able to charge 20700. it seems they would fit but i am unsure
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The size of the battery, if it fits in the charger is irrelevant. The underlying chemistry is roughly the same (if not the same) and the voltage requirements are the same I.e. single 4.2v cell.
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i dont know if it fits so im wondering if anyone has tried. my 20700s are on their way so would be awesome if i can continue using the same charger
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I guess you will know soon!
I use a nitecpre i8 and they fit but no experience with a um20.
I did read somewhere they do fit in the new um20 but can't confirm.
I hope they fit for you.
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According to @BumbleBee in a different thread, it doesn't fit. You can however force the battery in, after all the two batteries only have a 2mm difference in height.
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