Review - Move Power Solar Dual USB PowerBank

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Zebretta
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Review - Move Power Solar Dual USB PowerBank

Here is another basic, low cost. low efficiency USB Power Bank commonly found on ebay.
USB Power Bank

Overall they’re not bad for uses such as topping up your cell phone etc.
The first one I will review was purchased several years ago — and is now retired due to damage from a liquid getting into it. Very fortunately, it did not short the battery and ruin it. Until then it did a good job as a convenient powerbank to refill my cell phone if it got too low on power.

The solar power modules looks cool, but the output is actually very low so it would have to sit in direct full sunlight for about 50 hours to fully charge the battery. I measured the output of the solar panel at about 68 milli-amps and 4.5v max in direct sunlight therefore if you’re lost in the wilderness, sure, go ahead and use the solar panel for charging, otherwise plug it in and charge it up.

The battery inside this older one is actually a LiPo 3.7v 1S (1 cell) battery with 1900mAh printed on it.
It measures 95mm x 53mm x 12mm

I ran a discharge test on it to measure the discharge mAh @ 1.0amp and came up with 3200mAh. And this was 3 days after it had been fully charged. The voltage had dropped back to 4.0v from sitting 3 days. I discharged the battery to 3.5v (2.75v is the listed cut off voltage.)
Remember, this battery is already several years old. Apparently well over the rated 1900mAh rating.

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—— Ok and now the NEW one I just received in January of 2017 —-

So I just bought another and opened it to compare……it was $11.00 delivered.
This battery was considerably smaller. Only 10mm thick, 63mm wide and 60mm in length. (10-63-60)

However, after running the discharge test, 1.0amps the result was 3,889mAh discharged to 3.50v
Note that this new PowerBank had been charged today, whereas the other had sat for 3 days. Also this battery is new and the one above is over 2 years old with quite a few cycles on it. But these PowerBanks are good for at least 4Ah.

They list these devices as 30000mAh, 50000mAh and even 80000mAh. Does anyone know where they heck they might come up with those typs of numbers?

However, there is a TOMO USB Power Bank that I like even better because it has a digital Power readout display and uses 4 removable 18650 cells.
But they were always priced at $20 and above until recently. Now GearBest offers them at around $12.00 with FREE shipping to the USA (I just ordered one)
TOMO USB Power Bank (link is external)

(Incomplete review…will finish it over the weekend)

Edited by: Zebretta on 01/23/2017 - 12:18
Zebretta
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They’ve sold TONS and TONS (maybe megatons) of these. Kinda surprised noone here has chimed in?
So they’re not top tier, they work and they’re inexpensive.

The Miller
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argh i would love to see pics, but they won’t show Sad
any links to the products?

Zebretta
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The Miller wrote:
argh i would love to see pics, but they won’t show Sad any links to the products?

Sorry about that Miller….

I think I’ve fixed the issue withthe photos not showing.

Thanks for letting me know.

I also added a link.

XXX-Man
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As I see you have 3 cells in that older power bank and they are 1900mAh each. So it's actually under specs, not over.

“The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.” - Isaac Asimov

 

"With the first link, the chain is forged. The first speech censured...the first thought forbidden...the first freedom denied – chains us all, irrevocably."

 

My reviews:

Sofirn SF36 /// Thorfire VG10S /// Sofirn C8F /// Zanflare F1

Zebretta
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XXX-Man wrote:

As I see you have 3 cells in that older power bank and they are 1900mAh each. So it’s actually under specs, not over.

Hmmm….I thought the 1900mAh was for the entire pack….not each cell ?

You sure???

For $11.00 I can’t see them giving you almost 6,000mAh worth of LiPo battery, a solar panel and the hardware

Maybe 633mAh per cell?

Tinderbox UK
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Looks like it`s reviewed on youtube and is rated as junk.

 

https://www.youtube.com/watch?v=RDTTz_ftj3E

 

John.

Maha C9000 – LaCrosse BC-900 – Floureon BT-C3100 V2.2 – Accumanger 10 and 20 -Thunder AC6 LiitoKala Lii-100 – Cozypony 24W Solar Panel – Soshine H4 – Soshine T2 – Soshine E4S

XXX-Man
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Sure about that, you can that cell part number online and it's single cell.

 

Example:

http://www.ebay.com/itm/271959875176

“The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.” - Isaac Asimov

 

"With the first link, the chain is forged. The first speech censured...the first thought forbidden...the first freedom denied – chains us all, irrevocably."

 

My reviews:

Sofirn SF36 /// Thorfire VG10S /// Sofirn C8F /// Zanflare F1