2 Bay Charger With Power Bank?

I am looking for a 2 bay charger that also doubles as a power bank to use on camping trips are there any out there?

Xtar PB2

Does that only work with 18650 and what’s the height limit on the batteries.

Xtar vc2s, armytek handy c2 pro

Liitokala lii-202

It’s pretty picky. Flat top unprotected cells only.

Liitokala Lii 202

Plus it will NOT charge small devices like my mP3 player, bluetooth headphones, small flashlights(TINI, TIP)
Not handy or versatile at all.

Seems like the vc2 one seems like a good option looking at the other 2 mentioned.

I am using it on daily basis and I do recommend it.

Though Lii-202 (and actually, the Lii-100, Lii-402) only use the right-most slot (ie. only 1 battery) for powerbank function.

The 2-slot Lii-300 Engineer can use both slots for powerbank function, although it’s a bigger-sized charger/powerbank…

I love the PB2 but the inability to charge low drain devices is a bummer. If I had known that before hand I would have never bought it. Oh well, it charges the wifes cell phone when she is out and about for the day and it does charge a few particular 18650’s quickly. Other than that, it’s useless.

Why?
Thanks, Jerry

PB2 will turn off when output is lower than (I think) around 300mA. So charging the smartphone is fine as it has high current for fast charging, but some devices use low current (for low capacity battery) and it will not work with PB2 as power bank… Deal breaker for me too, I would have two PB2s already at home if it does not do this…

Xtar VP2
1 slot has powerbank function
Fits batteries up to 71.2mm length (according to HKJ’s review).
Fits Samsung 48G 21700

Rost333, that power bank box you linked says:

How do they figure 5600 mAh? One cell, or two?


It has charging indicator built-in

It’s not the best quality but it works just fine for more than a year now :wink:

Does it feature independent charging? Meaning the 2 batteries are in parallel or separate? (what I mean is, if they are in parallel, then it may not be good to charge 2 different capacity batteries or 2 batteries in different state of charge (different voltage when first placed inside that powerbank)…

The Xtar PB2 has independent charging. I believe many of the Tomo (2/3/4-bay) powerbank/charger models also have independent charging.

An inherent problem with removable cell power banks is contact resistances (springs, contact themselves and etc). They pose an efficiency and to some extent cut-off hurdle which increases with current draw.

Power bank circuitry works much better when batteries are soldered (low temp solder solutions available) or spot welded.

Is’t $1,14 powerbank. Can’t expect independent charging.
I just put 2 new batteries in it and it works OK.