Questions tagged [power-bank]

For questions about devices that store power to later supply another device.

21 questions
8
votes
1 answer

Powerbank for bicycle helmet mounted cameras

I'm looking for a power bank to extend the capacity of my action cam battery. Requirements: Small enough to mount on a bicycle helmet Its shape fits well to bicycle helmets Possible/easy to mount on a helmet At least 1000mAh capacity Nice to have…
palacsint
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7
votes
2 answers

What is the largest capacity power bank on the market?

I am looking for a very large power bank, as I am very bad about charging my devices. Ideally the power bank I am looking for is as follows- Under $200 Over 30,000 mAh Flat and small so that it can be mounted in a backpack Weighs less than 10 lbs…
Liamrberney
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3
votes
1 answer

Power bank with two USB Type C ports?

Are there power banks with two USB type C ports? Preferably 20,000 mAH capacity, but 10,000 mAH would also be fine. I don't care about USB type A or micro USB ports.
kodlan
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1
vote
2 answers

At least 45W power output at most 300g power bank?

This used to exist, the Lenovo USB-C Laptop Power Bank was 290g but it's discontinued. The Omni Mobile 12800 was 270g but it's discontinued as well. What alternatives are available end of 2023? The Nitecore NB20000 is 324.5g, I wonder whether we…
chx
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1
vote
1 answer

Is it safe to use a 100W powerbank in a laptop that needs 65W only?

I bought a 65W powerbank that worked well with my laptop that uses a 65W charger. However, when the powerbank reaches 50%, it starts producing less than 65W. That's why I was thinking of using a powerbank with more than 65W (for instance, 100W). Is…
1
vote
0 answers

Why can't I find a USB-C powerbank for my laptop?

I've been digging around for a few weeks now and I've been unable to find a powerbank to support my Thinkpad so I can be "off grid" longer than a couple hours. The specs I'm looking for seem pretty standard: Lots of juice (~50,000mAh) USB-C out at…
Daniel Quinn
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0
votes
1 answer

Mobile power bank shortlist

It's hard to find a product selector with the option to select on detailed product spec. I'm looking for a mobile phone power bank with roughly the following spec, although I could be flexible for "near misses": Size - Easily carried in jeans…
Stilez
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