I’m new to the game and get a bit overwhelmed by the level of technicality needed to make useful choice.
I just order from Sofirn on Aliexpress the C8F kit.It includes the lamp, a charger and a 21700 battery.
It’s a Sofirn 21700 Battery 4000mah Rechargeable li-ion Battery 40A 3.7V.
I trust them to deliver a decent battery for their flashlight but I saw better?, bigger? battery such as :
- Samsung 48G 21700 4800mAh 4.8A
Samsung 50E 21700 5000mAh 9.8A
LG M50 21700 5000mAh 7.27A
others ?
But can’t figure out which one is suitable for the flashlight, I plan to use their charger,any input on that ?
Any help and some insight will be really appreciated.
Thanks for reading,
Vincent
I also recently purchased a C8F and wanted a spare battery. I went with the Samsung 50E. I was looking at post #36 in this thread:
All three of those batteries make good choices in my opinion but the Samsung 30T and Sofirn battery will give a little higher output current due to lower battery resistance. That’s really only a concern if wanting to use the max output for any length of time.
For me I wanted a little more capacity and will only use the max output on occasion so I don’t care if I have slightly diminished output. (I probably won’t notice the difference anyhow).
Also the charger that Sofirn provides works but I wanted something better. My choice was the Miboxer C4 Upgrade. The Miboxer C2-4000 would fit a 21700 also.
the 50E battery might struggle a little in the Amperage category running on high for extended periods. I run the Sofirn 4000 mAh battery with great results! I am awaiting delivery of the Vapecell 4500 mAh cell which I have high hopes for. 20A continuous discharge w/4500 mAh for a bargain is quite good.
Do we know which cell Sofirn is using in their batteries?
As far as spare cells, the Samsung 40T might be the best all-around. It will easily handle the current demands of the C8F, while having 33% more runtime than a 30T. The 5000 mAh cells might work, but they might be getting into the upper ranges of their current ratings.
I got the kit too & am pleased with the Sofirn also.
Using the Samsung 50E you’ll get a bit more run time but a little less output on Turbo.
Using the Samsung 30T you’ll get a bit less run time but a little more output on Turbo.
The Sofirn battery, as Lightbringer said…… “works just fine”. :+1:
Delta_V mentioned the Samsung 40T, I don’t have one of those; but as he said….it would be a good one. On par with the Samsung 30T, but 33% more runtime.
Wellp, I don’t quite understand the obsession with getting, say, 2700lm instead of 2500lm, when even side-by-side few if any people would be able to positively ascertain which one is brighter.
I’d go more for runtime (absolutely quantifiable) vs a nigh-invisible improvement in brightness.
Thanks all of you for your advices, especially hiuintahs, your post is very useful.
I think I’ll stick with Sofirm for the battery and will look for a good charger.
Hey that’s great. I think the Samsung 40T is also a good fit. If I could easily find another Sofirn 4000mAh battery, I’d go with that too. A 50E battery should be arriving soon and will have a chance to check that out.
I ended up buying the Miboxer C4 Upgrade charger. I thought it was a good value. I posted a picture of the Sofirn 21700 in it here: Charger for 21700 or 20700 (post #22)
I have 4 of the Sofirn 21700’s I’ll sell you. $4 bucks each plus what ever 1st Class mail is. I bought them for the Fireflies E07 that pulls 20A, and they just don’t work as well as the 30T does. Brightness is a noticeable difference. But for lower drain, they are an excellent cell.
Thanks Lightbringer, sorry for my late reply; looks like some kinda ‘deal’ is still going on. I picked up 4 for just under $16.
Again, appreciate the info & links. :+1:
Thanks RobertB, but I ordered THESE last night after LB sene those links.
Getting em’ from you would have saved the ‘China Connection’ shipping wait though. Again, thanks anyway for the offer…. :+1:
