Best solar phone charger: Anker Solar Charger 21W

Best Solar Phone Chargers: Anker Solar Charger 21W

Smartphones have been dominating the market since it was first introduced to the public. Since then, more and more people want to be connected to the internet at all times. However, not everyone can recharge their phones through the conventional wall sockets all the time. This is where a reliable mobile charger comes into play. If you want to harness the power of the sun in this manner, you’ve got to get yourself the best solar phone chargers.

One of the best solar phone chargers that you can purchase on the market today is the Anker Solar Charger 21W. You don’t need to worry about the battery level of your mobile phone because this will give you clean, renewable energy wherever you are on the planet. Imagine a device that can recharge your mobile phones with 2.4A output on not just one, but two ports at the same time! You’ll be surprised what this unit can do on a very sunny day.

Best solar phone chargers: anker solar charger 21w

Check each page below for more details:

Anker Solar Charger 21W: Quick Facts

Price in AmazonBefore: $99.99
Now: $59.99 (save $40!)
Wattage21 Watts
Folded Size11.1 × 6.3 × 1.1 in
Unfolded Size26.4 × 11.1 × 0.2 in
Weight14.7 oz
Solar Panel TypeSunPower
Transition Efficiency21.5% to 23.5%
No. of USB Charging Ports2


Best Solar Phone Chargers Rank #1 : Anker Solar Charger

Although it does not have a built-in battery pack, it makes up for it by fast charging, which other solar chargers cannot offer. The 21W capacity, high efficiency panels are responsible for this. It is a powerhouse when it comes to portable solar charging. We gave it an overall score of 8.7 out of 10 (see the table below on how we came up with this score). Currently the best of them all, we highly recommend Anker Solar Charger 21W.

Check our list of 5 best solar phone chargers in 2017!

Anker 21W PowerPort Solar Dual USB Charger

Anker 21W PowerPort Solar Dual USB Charger

Charging Speed in Ideal Conditions

9.0 /10

Charging on Cloudy Skies

8.0 /10

Charging Multiple Devices

9.0 /10


8.5 /10


9.0 /10


  • Easy to use, simple, affordable, powerful, and lightweight.
  • Has two USB ports with 2.4A to 3.0A output for charging two mobile phones at the same time.
  • Comes with sunlight level indicator which can help you gauge the unit’s capability to recharge your phone at any given day.


  • Doesn't have a built-in battery.
  • The small pouch cannot hold average-sized mobile phones, let alone two devices.

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