How To Use A Solar Power Bank – A Helpful Guide

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Solar power banks are the perfect travel companion for those of you who are interested in prolonged adventures away from conveniences such as electric power points.

If you’re planning one of these sorts of adventures, you’re not alone in wondering how you’ll charge your devices.

On a personal note, I asked myself the same question when planning my backpacking trip from Barcelona to Rome.

After some research, the answer was obvious – invest in a solar power bank.

However, before buying one, many of you may be wondering how to use a solar power bank?

To use a solar power bank efficiently, expose the device’s solar panel to full sunlight to maximize its charging capabilities. On average, it will take your solar power bank between 25-50 hours to fully charge, assuming the device was exposed to unobstructed sunlight.

This article aims to walk you through the ins and outs of how to use a solar power bank efficiently.

You can also skip to our best solar power bank recommendations.

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How To Use A Solar Power Bank?

Read the user manual

As with any tech product you buy, first things first, read the user manual.

Even though solar power banks are easy to use, and you may want to rip them out of there, be mindful.

Ask yourself some user-friendly questions – how do I preserve the performance, battery life, and capacity of my solar power bank?

All your answers will be found in the user manual.


Charge Your Solar Power Bank

Solar power banks are always able to be charged by two power sources.

  1. The sun
  2. Electricity

The amount of solar panels your solar power bank has is a good indicator of how efficient it will be charging in the sun.

Let’s say it only has one solar panel on the face of the power bank. It’s highly likely in this scenario that charging your power bank by the sun is a supplementary charging option, but not your main option.

Meaning, don’t expect your solar power bank to be fully charged after a couple of hours of sun exposure.

It is more likely that your power bank will rely on power points now and then to fully charge itself.

However, if you have a power bank with many monocrystalline solar panels, it is likely your battery can be solely charged by sun exposure.


Charging Your Device With Your Solar Power Bank

Once your solar power bank is fully charged, you’ll want to charge your device with it.

You can do this by connecting the USB end of your charger to the power bank, and inserting the other end into your device.

Most power banks have multiple USB ports for charging many devices at once, look out for these ports on the front of your solar power bank.

Something to take into consideration is the Amp output of your charging ports. Make sure that the ports you charge your smartphone with are only 1 amp.

Charging your smartphone with 2 amps may damage the battery life over time as it’s too fast for phones. Read the user manual to find this information out.

Know When Your Solar Power Bank Is Fully Charged

Usually, power banks have a light indicator to indicate how charged they are.

  • 1 light = 25% charged
  • 2 lights = 50% charged
  • 3 lights = 75% charged
  • 4 lights = 95% charged

Most solar power banks do not give 100% readings for safety reasons, it’s important you do not overcharge your power bank.

Make sure you recharge your solar power bank before it’s completely drained. Power banks that are completely drained require more energy to get going again, as opposed to a solar power bank charging from 50%.


How To Maintain Your Solar Power Bank

Investing in a quality solar power bank can sometimes cost you 100’s of dollars. Maintaining it properly will ensure that you get the most out of your money.

4 tips to maintaining your solar power bank :

  1. Do not over charge it.
  2. Keep it in cool places, any major increase in temperature will adversely affect the battery life of your power bank. 77°F to 86°F (25°C to 30°C) is optimum.
  3. Don’t keep it at low charge, if you plan not to use it, charge it to 50% capacity first.
  4. Charge your smartphone device with short length cables.

How Long Does It Take To Charge A Solar Power Bank?

This all depends on the number of solar panels your power bank has. The more panels, the faster it will charge as more sunlight is converted into electricity through the photovoltaic effect.

On average, you can expect a solar power bank of 25,000mAh to charge within 25-50 hours by the sun alone.

This is assuming the conditions were adequate, meaning full sun with no obstructions such as clouds.


Can I Use My Phone While Charging On Power Bank?

You are able to use your phone whilst charging your solar power bank.

However, doing this generally results in the battery being inline (or in series) with the smartphone. This causes a higher power draw which leads to excessive heating which could damage your battery.

This is not recommended. Only do it if absolutely necessary.

Read your manual to find out what your manufacturer recommends. they usually know how best how to use a solar power bank.

Best Solar Power Banks

Anker Solar Power Bank high quality

Built with CIGS, a type of thin-film solar material that offers greater flexibility than other solar cells while retaining durability.
This is an affiliate link

Feelle Solar Power Bank Best Value

Three foldable solar panels can reach a max 4.5W output in direct sunlight, tripling the solar power that you can get from a single panel charger.
This is an affiliate link

Sozo Solar Power Bank most compact

Sozo Solar Power Bank generates enough power to Charge Devices For Up To A Week.
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Final Thoughts

Knowing how to use a solar power bank can make your off-grid adventurers that much more pleasurable. And in some cases, may even save you a world of trouble!

Please feel free to share any helpful tips you may know of that aren’t included in this article, in the comments section below.

Further reading:

Kyle Browning

Kyle is a researcher and content specialist at Climatebiz. He has a strong interest in green technology, particularly in photovoltaic systems. Kyle believes in a future where everyone has affordable access to renewable energy, regardless of their race, religion, or social status. This ideology led Kyle to found Climatebiz - with the goal to provide free information for anyone, anytime.

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