With smartphones becoming an essential part of daily life, running out of battery can be frustrating, especially when you’re outdoors or during power cuts. This is where solar-powered charging solutions come in handy.
Choosing the best solar power bank for mobile phones ensures you stay connected without depending entirely on electricity.
Designed to harness solar energy, these solar power banks offer an eco-friendly and reliable backup for your mobile devices. In this guide, we explore the 5 best solar power bank for mobile phones and their key features you should consider before buying.
Who Should Buy a Solar Power Bank?
If you are planning to buy the best solar power bank for mobile phones, you should consider having one if you are:
-> A traveler or backpacker who needs reliable power on the go.
-> A camper, hiker, or outdoor enthusiast spending time away from electricity.
-> Living in an area with frequent power cuts and needing emergency backup.
-> Building an emergency or survival kit for unexpected situations.
-> Someone who wants eco-friendly charging using renewable solar energy.
-> Using multiple devices outdoors, and need extra battery support.
What to Look for in a Solar Power Bank (Buying Guide)
To find the best solar power bank for mobile phones, you need to know what features matter most. This buying guide will walk you through them.
1) Battery Capacity (mAh)
The capacity of the power bank determines how many times you can charge your phone.
10,000mAh → Good for daily use, 1–2 mobile charges.
20,000mAh → Best for travel and outdoor use, 2–3 charges.
30,000mAh+ → Ideal for long trips, camping, and powering multiple devices. Choose based on how frequently you need backup power.
2) Solar Charging Efficiency
Not all solar power banks charge at the same speed.
Look for high-efficiency monocrystalline panels.
Larger or foldable panels capture more sunlight and recharge faster.
Remember: Solar charging is a backup feature, not the main charging method. In this blog, we have hand-picked the best solar power bank for mobile phones that can be charged both ways.
3) Number of Output Ports
More ports mean you can charge multiple devices at the same time.
Look for 2 to 4 USB output ports for phones, tablets, and earbuds.
USB-C output is preferred for newer smartphones.
If it includes wireless charging, that’s an extra bonus.
4) Input Options (Recharging the Power Bank)
Your solar power bank for mobile phones should be easy and quick to recharge.
USB-C input offers faster charging.
Micro-USB is common in budget models but is a bit slower.
Some models support dual input, letting you recharge faster using two cables.
5) Durability & Weather Resistance
Since solar power banks are used outdoors, durability matters.
Check for IPX5 or IPX6 water resistance.
Shockproof and dustproof construction is ideal for hiking and camping.
A sturdy body ensures long-term use even in rough conditions.
6) Extra Features
Below mentioned useful add-ons can make a big difference during emergencies:
-> LED flashlight / SOS mode for night use.
-> Digital display showing exact battery level.
-> Built-in cables that reduce the need to carry extra wires.
-> Carabiner hooks for attaching to backpacks.
5 Best Solar Power Banks for Mobile Phones
Below, we’ve listed the best solar power banks for mobile phones, selected based on battery capacity, charging speed, solar efficiency, durability, and real-world usability.
1) Solar Power Bank, 10000mAh, 15W Fast Charging
- Output Ports: Four
- Battery Capacity: 10,000 mAh
- Speed: 15W fast charging
- Backup Power: Once charged, it works for 3 days
- Key Feature: Can be charged with both sunlight & electric light
Pros
- Compatible with 99% of mobile devices.
- Comes with a built-in LED torch for emergencies.
Cons
- Takes more time to get fully charged than a regular power bank.
- Requires strong, direct sunlight to charge effectively.
2) BytePower SolarCharger Power Bank 20000mAh
- Output Ports: Two
- Battery Capacity: 20,000mAh
- Speed: Support Fast Charging
- Durability: Waterproof
- Key Feature: Grade A+++ anti-explosion technology
Pros:
- Comes with built-in compass and LED flashlights.
- Best for daily use and outdoor ventures.
Cons:
- Charging takes significantly longer than wall-plug models.
- Can face minor battery-related issues.
3) GIGALUMI 10000mAh Solar Power Bank
- Output Ports: Four
- Battery Capacity: 10000mAh
- Indicator: Shows remaining battery through LED status lights
- Speed: Takes 15-20 hours for full charging
- Key Feature: Can be charged using both a solar panel and a USB cable
Pros:
- Great for emergencies.
- Compatible with Android, iPhones, iPads, and AirPods.
Cons:
- Charges slow due to solar power.
- Not reliable as the only power source, solar works best as a backup.
4) TrustBasket 20000mAh Solar Power Bank
- Output Ports: Two
- Battery Capacity: 20000mAh
- Compatibility: Android, iPhones, and other devices
- Durability: Weather-resistant
- Key Feature: Comes with 4 solar panels, allowing for a 5-day recharge time in direct sunlight
Pros:
- It can be charged using both sunlight and electricity.
- Comes with an inbuilt LED flashlight
Cons:
- Charging output can be slow.
- Slightly on the expensive side.
5) ShopCentre Solar Outdoor Power Bank
- Output Ports: Two
- Battery Capacity: 20000mAH
- Compatibility: All smartphones and tablets
- Durability: Waterproof, shockproof, and dustproof
- Key Feature: Ultra-bright LED flashlight with Stable, SOS, and Strobe modes for nighttime navigation or emergency signaling.
Pros:
- Keeps your devices powered even in remote areas.
- Lightweight, compact, and aircraft-safe.
Cons:
- Slightly expensive.
- Requires proper sunlight to keep the power bank charged.
A Quick Recap
| Image | Product | Detail | Price |
|---|---|---|---|
| Solar Power Bank, 10000mAh, 15W Fast Charging |
| Price |
| BytePower SolarCharger Power Bank 20000mAh |
| Price |
| GIGALUMI 10000mAh Solar Power Bank |
| Price |
| TrustBasket 20000mAh Solar Power Bank |
| Price |
| ShopCentre Solar Outdoor Power Bank |
| Price |
Wrapping Up
Choosing the best solar power bank for mobile phones ultimately depends on your usage, charging needs, and lifestyle.
Whether you need it for daily backup, travel, or emergencies, a good solar power bank offers reliable power while reducing dependence on conventional electricity.
With the right choice, you can stay connected anywhere while embracing cleaner and greener energy solutions.
Frequently Asked Questions
How to Use a Solar Power Bank for Charging a Mobile?
To charge your mobile, simply connect your phone’s charging cable to one of the power bank’s output ports and press the power button (if required).
Make sure your solar power bank itself is charged, either through sunlight or by plugging it into a wall adapter. Once connected, your phone will start charging just like with a regular power bank.
Do Solar Power Banks for Phones Work?
Yes, solar power banks do work for charging phones. They store energy just like regular power banks, but can also recharge using sunlight through built-in solar panels.
While solar charging is slower and works best as a backup, these power banks are highly useful for travel, camping, emergencies, and situations where electricity isn’t easily available.
How Long Do Solar-Powered Power Banks Take to Charge?
Solar-powered power banks can take anywhere from 20 to 50 hours of direct sunlight to fully charge using only the solar panel, depending on the battery capacity and sunlight strength.
When charged through a wall adapter (recommended for daily use), they typically recharge much faster, usually within 4 to 8 hours. Solar charging should be treated as a backup option for emergencies or outdoor use.
Are Solar Power Banks Useful?
Yes, solar power banks are very useful, especially for people who travel, camp, hike, or face frequent power cuts. They work like regular power banks but also recharge using sunlight, giving you a reliable backup power source even when electricity isn’t available.
While solar charging is slower, it provides added security in emergencies and makes these power banks a practical, eco-friendly choice for outdoor and everyday use.