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The Best Hand Crank Phone Charger Choices in 2021


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Last Updated: March 1, 2021

A hand crank phone charger is a practical solution for backup power, but be aware they take a LOT of effort. If you want constant power, then your arm is going to get a serious workout.

See this as an emergency back-up option rather than your primary power source.

We’ve spent a whole day researching dozens of products (many of which were not up to the task) and whittled our list down to these 6 choices.

Each one fulfills a different need and we used the following criteria to make our shortlist:

  • The hand crank functionality must be robust
  • Extra points for multiple charging options
  • Extra points for weather resistance
  • Are added features gimmicks or useful?
  • Verified customer reviews from users with realistic expectations (more on this later)

Our Top Pick

FosPower Emergency Solar Hand Crank Portable Radio

Budget-friendly, several power sources, water-resistant and has a radio and flashlights.Check On Amazon

The Best Hand Crank Phone Charger Reviewed

FosPower Emergency Solar Hand Crank Portable Radio – Best Overall

The FosPower Charger is water-resistant and rugged, ideal for camping and outdoor use.
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It offers three modes of power: solar, hand crank, and AAA batteries. The solar panels aren’t as good as other options, but considering this is a cheaper charger, it works as well as you would expect. You just have to find the right angle to catch the sun’s rays.

This model requires 3-5 minutes of cranking to charge your cell phone by approximately 2%. With the solar panel, don’t expect a full charge on your phone, but it’ll run the radio.

Something different than other models is it offers two light sources rather than just one. It has a 4 LED reading light and a one-watt flashlight, so it generates plenty of light. This unit receives emergency forecasts and updates, broadcasting NOAA and AM/FM stations.

This charger isn’t too big; it might not comfortably fit into a backpack, but it works for camping.

FosPower made their charger water-resistant with an IPX-3 rating. That means it withstands moderate water spray. Don’t dunk it in a pond, but it won’t die if a bit of rain hits it.

Pros

  • 2000 mAh battery
  • Three modes of power
  • Two lighting options
  • NOAA & AM/FM radio
  • Water-resistant

Cons

  • The sound quality lacks.
  • Hard to use the solar panel charging

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Zeus Dynamo Powerhouse 60 Hand-Crank Generator – Best For Power

The Zeus Dynamo is best for those who are living off the grid.
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At first glance, you realize this generator is different from the others on the list. It is the size and weight of a six-pack of your favorite cold beverage. Not only that, but it includes a mounting kit for walls or surfaces to make hand-cranking easier.

It uses ball bearings and gears to produce power with less cranking, which is good for you. Aircraft-grade aluminum houses everything, so it’s durable and holds up to rigorous use.

It charges anything with a USB port, such as cell phones, headlamps, tablets, and more. It holds up to 60 watts of power at a time, and it has two USB ports.

On average, it will increase your cell phone battery by 1% for each minute of cranking. 

The Zeus Dynamo does have some negatives. The cost is high, it’s large and heavy and it’s not water-resistant.

However, this is a serious piece of kit with a high quality cranking mechanism; it produces far more power than any other product on our list.

Pros

  • Holds up to 60 watts of power
  • Mounting brackets included
  • Perfect for off-grid living
  • 2 USB ports

Cons

  • Expensive
  • Large
  • Not ideal for occasional use

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American Red Cross Clipray Crank-Powered Flashlight & Phone Charger – Budget Pick

The American Red Cross Clipray is a budget-friendly option for emergency use.
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This hand crank charger is ideal for short term situations or backpacking, but it’s far from the most powerful option. It takes one minute of cranking to turn the flashlight on for ten minutes and ten minutes or longer for any decent charge for your smartphone.

The Clipray only provides enough power to make a quick emergency call; don’t expect to play games or browse the web!

Aside from that, the Clipray includes a flashlight with three LED bulbs that generates quite a bit of light when charged. It also has a robust carabiner, allowing you to attach it to your backpack or other gear.

The small size is an advantage for bugging out, whether you want to clip it or slip it in a pocket.

The biggest downfall is that you need to continuously crank the handle while your phone is connected to generate a charge. That’s because the Clipray is a “direct-charge device.” with no internal storage battery.

We like this device for its simplicity but be aware of its limitations.

Pros

  • Bright light with 3 LED bulbs
  • Strong carabiner clip
  • Budget-friendly
  • Lightweight, perfect for backpacking

Cons

  • Needs cranked a lot
  • Direct-charge device
  • No battery or charging indicator
  • Only 500 mAh

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RunningSnail Emergency Hand Crank Radio & Power Bank – Good All Rounder

RunningSnail is perfect for emergencies at home, like natural disasters, rather than backpacking.
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There is a lot to love about the RunningSnail, with the most important being that there are four ways to charge it.

  • Solar panels
  • hand crank
  • USB cable
  • Three AAA batteries.

Not only does this charger offer a 4000 mAh lithium battery, but it also has an AM/FM and NOAA weather radio that works for up to ten hours on a full charge. There is also a flashlight included on the side of the radio.

It depends on many variables, but we estimate it will take about 10 minutes of cranking to get a 2% charge on your phone, enough to make an emergency call and not much else.

This charger works with anything that needs a USB cable. However, it’s not ideal for backpacking due to its size. It won’t fit easily into your backpack, nor is it weatherproof, so I would be hesitant to use it in any bugout situation.

If you want an emergency radio and phone charger for home use that won’t break the bank, this one is for you.

Pros

  • 4000 mAh
  • Four charging methods
  • AM/FM & NOAA radio
  • Flashlight included
  • Charges anything with a USB port

Cons

  • Not a LED flashlight
  • Too big for backpacking
  • Not water resistant

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Zurio Emergency Hand Crack & Solar-Powered Radio – Multiple Power Sources

The Zurio is excellent for frequent at home use or while on the go.
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The Zurio stands out because it offers five power sources, the most on our list. The charging options include:

  • Hand crank
  • Solar panel
  • Rechargeable battery bank
  • USB cord (with a wall adapter or car charger)
  • AAA batteries

The lithium-ion battery keeps a charge for hours, so you only need to hand crank when required. It takes around 20 minutes to increase your charge by 10% on your cell phone. Zurio recommends using short spurts of cranking for 3-5 minutes; your arm will get tired!

Zurio included several features like NOAA weather alerts, an LED flashlight, AM/FM radio, AUX music input, and a large LCD screen. It’s possible to listen to the radio while charging your phone and using the flashlight to read a book.

Of course, all of the added features increase the price, but it doesn’t break the bank.

So what’s bad about it?

The sound quality of the radio lacks, especially considering the price. The antenna is fragile and can break if knocked over. Also, it’s not water-resistant, so avoid bringing it outside where it might encounter rain.

Pros

  • 4000 mAh
  • Five power sources
  • LED flashlight
  • NOAA & AM/FM radio
  • Great price tag

Cons

  • LED isn’t too bright
  • The sound quality isn’t great
  • Antennas break easily

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Supvision Hand Crank Generator – Mid Range Dedicated Crank

This military-style crank generator is perfect for survival scenarios or serious hikers.
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The Supvision is a no-fuss, no-muss style generator. If you want something with all kinds of fancy features, this isn’t the one for you.

Instead, what you have is a durable, well-designed crank charger that is shock-resistant, waterproof, shockproof, salt spray resistant, and generates power in low temperatures.

Supervision uses a high-tech magnetic conversion on the inside of a case made of high-strength aluminum composite alloy. That means you can drop this generator in a puddle; it’ll survive. Drop it down a hill? No big deal.

It’s super easy to charge your cell phone with this, but it’s best to charge a separate battery pack and then charge your phone from the battery pack. This unit often causes the “device not detected” on smartphones. It charges rapidly; 5-10 minutes of hand cranking is sufficient for a full charge, and the handle cranks so quickly.

Due to a 30-watt battery, this charges small power communication stations, walkie-talkies, laptops, satellite phones and other large devices.

Pros

  • Waterproof and shockproof
  • 30-watt battery for larger gadgets
  • Highly durable
  • Military-style
  • It fits in a backpack

Cons

  • Takes time to figure out
  • Awkward design
  • Expensive

Check On Amazon

How Do Cell Phone Crank Chargers Work?

Electricity is generated through electromagnetic induction.

Without getting too geeky about it, when you crank the handle, a magnet spins within a coil of wire, which generates electricity. Most models contain an internal battery that stores the electrical charge, meaning you don’t have to crank the charger constantly.

What to Consider When Buying a Hand Crank Phone Charger

Here are a few things to consider when making a purchase.

Conversion Efficiency

The conversion efficiency refers to the hand crank’s efficiency and how much power you generate for each minute of cranking. Some are more efficient than others, which means you have to spend less time charging your phones.

Ideally, you want a high-efficiency conversion. That saves you a lot of time, but this tends to come with a higher price tag. For example, the dedicated chargers mentioned in our list will have a far greater conversion efficiency than the cheaper multi-use chargers.

Battery Capacity

When you look at hand-crank chargers, look at the battery capacity, noted with “mAh,” which stands for milli-Ampere-hours. This measures the battery’s energy storage capacity.

Chargers with a higher mAh rating mean that the device will last longer on a single charge.

The Realistic Uses of Your Charger

Let’s be honest; hand crank phone chargers take work just to put a small dent on your cell’s battery. If you expect to keep your phone fully charged with one of these, be prepared to crank often or spend extra money for one with a larger battery capacity.

You must have realistic expectations when making a purchase.

In general, most companies claim that these chargers require cranking for 10 minutes to charge your phone enough for emergency calls. Others claim that they only need five minutes of cranking but remember, it also varies based on your phone and its battery.

No matter what charger you pick, you have to put physical work into charging your phone.

These things will work in a pinch but don’t expect miracles!

Extra Features

Many of these chargers include extra features; radios, flashlights, reading lights, weather and emergency lights, and fancy LED screens are a few of the included extras.

Try and figure out what features you need and buy a tool that does these things well rather than several things badly.

Related Reading

Conclusion

Whether you want to be prepared for a major storm or a serious crisis, having a hand crank phone charger is a smart idea. The FosPower is everything you need, but any of these six choices will get the job done.

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