REQ: High efficiency 18650 empty power bank case

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ZoomieFan
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REQ: High efficiency 18650 empty power bank case

I’m looking for a so called lipstick powerbank.
I know Anker makes great 3500 and 5000 versions.
But what I’m looking for are empty ones I can use the many 18650 (and 21700) cells I have in.
It’s very easy to find ones for 18650’s (on Chinese sites), but I’m looking for something with high efficiency.
The output must be at least 2A @ 5v

So:
- 18650 powerbank case.
- High efficiency.
- 2A out.

Chargers: 1xBasen BD01 5/5, 1x Gyrfalcon All-88 4/5, LiitoKala: 3x100 3/5, 2x202 3/5, 1x402 3/5., MiBoxer C4-12 3/5.
Flashlights: DQG Tiny III 26650 5/5, FiTorch MR35 3/5, Haikelite SC26 HD 3/5, Lumintop Tool AA/AAA 4/5, Nitecore LA10, Sofirn C01 BLF 3200k/5600k 2/5, Zebralight H600Fc 3/5.
Powerbanks: EasyAcc 26800 mAh 3/5, Xtar PB2 4/5, Xtar PB2S 5/5
Waiting for: (DQG Tiny) 21700 EDCs.

Edited by: ZoomieFan on 02/03/2020 - 01:31
0oklight
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In my view by far the best power bank to fulfill these specs is:

ThruNite C2 Mini

I think I got mine on Amazon, and it seems to far exceed anything I have come across in terms of build quality, looks, versatility and power output V/A. It’s quite pricey though. There are a couple of informative videos on YouTube.

Good luck with your search.

ZoomieFan
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0oklight wrote:
In my view by far the best power bank to fulfill these specs is:

ThruNite C2 Mini

I think I got mine on Amazon, and it seems to far exceed anything I have come across in terms of build quality, looks, versatility and power output V/A. It’s quite pricey though. There are a couple of informative videos on YouTube.

Good luck with your search.

That’s the type of thing I was looking for. The specs are perfect.
But I’m confused by the conflicting test results:
Good: http://budgetlightforum.com/node/55240
Bad: http://budgetlightforum.com/node/51680

Chargers: 1xBasen BD01 5/5, 1x Gyrfalcon All-88 4/5, LiitoKala: 3x100 3/5, 2x202 3/5, 1x402 3/5., MiBoxer C4-12 3/5.
Flashlights: DQG Tiny III 26650 5/5, FiTorch MR35 3/5, Haikelite SC26 HD 3/5, Lumintop Tool AA/AAA 4/5, Nitecore LA10, Sofirn C01 BLF 3200k/5600k 2/5, Zebralight H600Fc 3/5.
Powerbanks: EasyAcc 26800 mAh 3/5, Xtar PB2 4/5, Xtar PB2S 5/5
Waiting for: (DQG Tiny) 21700 EDCs.

hank
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Well, the later of the two reviews says:

Quote:
Review for the Thrunite C2, portable 18650 charger/powerbank device. Please note that current units being sold are the newest version (v3?) and my review unit is the v2. The main improvement is the ability to power up devices that draws as low as 100mA.

and from the discussion in the review, it sounds like they continued to improve the performance over several releases.
ZoomieFan
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That explains the difference. AND that I more urgently need glasses than a power bank Smile
The product seems to be discontinued. It’s still available at some places bundled with a flashlight. I found one place that sells in separately, but no version number…

Edit:
On the site that still sells them the PB has SN:ZM0100988 on it.
On the negative review it shows SN:ZM0100508
Nothing visible on positive review

Assuming the SN is really that, instead of a type, the PB did sell well or the shop that has them is stock has the old version.

Chargers: 1xBasen BD01 5/5, 1x Gyrfalcon All-88 4/5, LiitoKala: 3x100 3/5, 2x202 3/5, 1x402 3/5., MiBoxer C4-12 3/5.
Flashlights: DQG Tiny III 26650 5/5, FiTorch MR35 3/5, Haikelite SC26 HD 3/5, Lumintop Tool AA/AAA 4/5, Nitecore LA10, Sofirn C01 BLF 3200k/5600k 2/5, Zebralight H600Fc 3/5.
Powerbanks: EasyAcc 26800 mAh 3/5, Xtar PB2 4/5, Xtar PB2S 5/5
Waiting for: (DQG Tiny) 21700 EDCs.

0oklight
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ZoomieFan -Just make sure you get the v3 and by the sounds of it you should do it asap. I did notice that there were not to many about on sale.

fluke
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How do you tell the difference?

ZoomieFan
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V3 understood.
But how I know if the description of the product doesn’t state it?

Chargers: 1xBasen BD01 5/5, 1x Gyrfalcon All-88 4/5, LiitoKala: 3x100 3/5, 2x202 3/5, 1x402 3/5., MiBoxer C4-12 3/5.
Flashlights: DQG Tiny III 26650 5/5, FiTorch MR35 3/5, Haikelite SC26 HD 3/5, Lumintop Tool AA/AAA 4/5, Nitecore LA10, Sofirn C01 BLF 3200k/5600k 2/5, Zebralight H600Fc 3/5.
Powerbanks: EasyAcc 26800 mAh 3/5, Xtar PB2 4/5, Xtar PB2S 5/5
Waiting for: (DQG Tiny) 21700 EDCs.

hank
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Quote:
Just make sure you get the v3

Aye, there’s the rub. How would you know which version they’re selling? How would they know?

aswang
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I can’t recommend the Thrunite C2 mini. The V1 is one of the best single 18650 I’ve tested in terms of fast charge/discharge and recommended it to some of my caving buddies. Unfortunately, out of the 4 (I think v2), 2 of them stopped working in less than a month. My V1 also stopped working. Same with armytek handy C1, stopped working after a few months.

I’d still recommend nitecore F1 for reliability. Despite the slower charge/discharge, it has the ability to charge almost any size li ion, works well with usb solar panels and mine is around 3 years old and still reliable.

ZoomieFan
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Quote:
I’d still recommend nitecore F1 for reliability.
That reminds me of my Liitokala charger that also doubles as a PB. Effiency isn’t that good.
Maybe that of the F1 is better.

Chargers: 1xBasen BD01 5/5, 1x Gyrfalcon All-88 4/5, LiitoKala: 3x100 3/5, 2x202 3/5, 1x402 3/5., MiBoxer C4-12 3/5.
Flashlights: DQG Tiny III 26650 5/5, FiTorch MR35 3/5, Haikelite SC26 HD 3/5, Lumintop Tool AA/AAA 4/5, Nitecore LA10, Sofirn C01 BLF 3200k/5600k 2/5, Zebralight H600Fc 3/5.
Powerbanks: EasyAcc 26800 mAh 3/5, Xtar PB2 4/5, Xtar PB2S 5/5
Waiting for: (DQG Tiny) 21700 EDCs.

hank
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Thanks for the recommendation of the Nitecore F1 handling solar charging.

dave1010
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I’d recommend the XTAR PB2S.

It takes 2 18650 or 21700 cells and can charge them and work as a power bank. Works with USB-C and it supports quick charging. It just manages a 26650 cell too with the cover off, so it’s a pretty good all round 2 bay charger too. It wouldn’t work with a shorter cell though. I’ve used it with a solar panel (it restarts fine) and to charge things at tens of mA too.

There’s a few reviews on it if you want to know more.

XTAR have a couple of others in the range too
https://www.xtar.cc/product/PB-Series-6

And the 4xAA BC4 charger/powerbank if you wanted the same for AAs (doesn’t do 14500s).