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Monoprice 4,000mAh USB Power Bank | 2 For $8 Free Shipping

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Monoprice Select USB Power Bank, Black, 4,000mAh, 1-Port Up to 1A Output for iPhone, Android, and Galaxy Devices

Use Code: PB4


https://www.monoprice.com/product?p_id=15117
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Last Edited by mike93704 April 27, 2020 at 04:30 PM
Must buy 2 for $4 coupon to work.

Size: 3.5" x 1.7" x 0.8"

Out of Stock as of 4:25pm PDT

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#3
Everything about these is out of date. Slow 1A output, micro input, only 1 charge for most devices, etc. BUT only $8 SHIPPED for two is a crazy deal.

Edit to fix error.
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Last edited by 454 April 27, 2020 at 04:26 PM.
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#4
These can be good just for the batteries themselves.
Does anybody know if these are 18650 batteries inside?
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#5
Quote from 454
:
Everything about these is out of date. Slow 1A output, micro input, only 1 charge for most devices, etc. BUT only $4 SHIPPED for two is a crazy deal.
Yeah great little batteries to carry on the go or just to leave around places. Won't be sad if you lose them because you only paid $4! Bought two of these when they were $5 a few months ago. Will buy 2 more at $4 each!
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#6
Note that for $8 you can get two 4000 mAh models or one 8000 mAh model.
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#7
Quote from 454
:
Everything about these is out of date. Slow 1A output, micro input, only 1 charge for most devices, etc. BUT only $4 SHIPPED for two is a crazy deal.
Yes crazy deal when you find out neither of them can even finish a single charge
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#8
Dirt cheap, probably decent quality...
But very dated. Small capacity, slow charge and charging, etc. Useful as a giveaway/spare, but would not plan to use this regularly.
Kid's backpack, glove compartment, etc.
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#9
Quote from EdgyAznKid
:
Yeah great little batteries to carry on the go or just to leave around places. Won't be sad if you lose them because you only paid $4! Bought two of these when they were $5 a few months ago. Will buy 2 more at $4 each!

Can you plug them into power and have a device hooked up such as a wifi hotspot or echo dot and have it work as a mini ups?
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#10
Thinking about this for my eufy 2c cameras. Any better recommendations?
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#11
Does the TSA have a limit on the number of these you can carry?
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#12
These will be good for setting up some wyze cameras outside for a night.
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#13
Quote from famewolf
:
Can you plug them into power and have a device hooked up such as a wifi hotspot or echo dot and have it work as a mini ups?
Will power wyze camera for four hours

So yes

Also I think these things are great I charge them on sunny days to solar and then I use them to recharge everything in the house that uses USB and one amp is better because its slower charge creates less heat which is the biggest aging factor in batteries
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