Tired of your phone dying halfway through an epic trek? We get it. Being out in the wild means relying on your gear, and a dead battery can turn a dream hike into a nightmare. You need a power source that can keep up with your adventures, no matter how remote.
That’s why finding the best power bank for thru hiking is crucial. It’s not just about juice; it’s about reliability, durability, and smart features that make your life easier on the trail. We’ve sifted through the options to highlight the powerhouses that won’t let you down when you need them most.
The 10 Best Power Bank for Thru Hiking Reviewed
1. Anker Power Bank, Compact Travel
We tested the Anker Power Bank, Compact Travel, and it certainly lives up to its name. Its diminutive size makes it incredibly easy to slip into a hip belt pocket or a small side pouch on your backpack. Charging our phone from near-empty to full was a consistent experience, and we appreciated the straightforward single USB-A output.
However, the compact nature means a compromise in capacity. While sufficient for a quick top-up on a day hike or a single full charge for most smartphones, thru-hikers needing multiple recharges will find this limiting. The plastic casing, while light, feels a bit too smooth and prone to slipping from sweaty hands during a trail break.
Real-Life Usage Scenario: Imagine you’re on a multi-day trek, and your GPS device or satellite communicator is running low just as dusk approaches. This Anker is perfect for that emergency boost, giving you enough juice to navigate back to camp or send a final check-in. It’s not your primary power source, but a reliable backup.
This power bank isn’t for those who need to keep multiple devices running for days on end without access to a wall outlet. It’s best suited for ultralight backpackers or those who prioritize minimal weight and only need occasional charging.
Pros
- Extremely compact and lightweight.
- Simple and easy to use.
- Reliable for essential top-ups.
Cons
- Limited capacity for extended trips.
- Smooth casing can be slippery.
- Only one output port.
2. Solar Charger Power Bank 38800mah, 22.5w USB
The Solar Charger Power Bank boasts a massive 38800mAh capacity, which on paper, sounds incredibly appealing for long stints in the backcountry. We were able to charge our smartphone multiple times, and it even managed to provide a significant boost to a tablet during our testing. The inclusion of multiple USB-A and USB-C ports is a definite plus for charging various gadgets simultaneously.
The integrated solar panel is where things get a bit disappointing. While it does technically charge the power bank, the rate is agonizingly slow, even under direct sunlight. You’d be better off relying on wall charging whenever possible; the solar feature feels more like a novelty than a practical charging solution for serious use. The unit itself is also quite bulky and heavy, making it a noticeable addition to your pack.
This power bank is definitely not for the minimalist ultralight hiker. Its weight and size will be a significant burden on your back over long distances, and the solar charging is too inefficient to be a reliable source of power in the wild.
Who is this specifically for? This might appeal to car campers or basecamp enthusiasts who have the luxury of leaving their gear set up in one spot for extended periods. They could potentially trickle-charge the unit over days, though even then, the slow speed is a factor.
Pros
- Very high capacity for multiple charges.
- Multiple output ports for various devices.
- Decent fast charging speed via USB-C.
Cons
- Solar charging is extremely slow and impractical.
- Bulky and heavy for backpacking.
- The solar panel adds to the overall thickness.
3. 20,000mah Rugged Power Bank with Fast Charge USB
We found the 20,000mAh Rugged Power Bank to be a solid contender for the best power bank for thru hiking. Its substantial 20,000mAh capacity provided ample power for our devices, easily keeping our phone and headlamp topped up over several days. The ruggedized exterior feels reassuringly durable, capable of withstanding the inevitable bumps and drops that come with trail life.
The fast-charge USB ports are a welcome feature, significantly reducing the time spent tethered to the power bank. However, the texture of the rugged casing, while protective, can feel a bit abrasive against softer fabrics in your pack. We also noticed that the LED indicator lights, while bright, aren’t precisely graduated, making it hard to gauge the exact remaining charge.
This power bank is not for those who are constantly worried about scratching their gear. While it’s built tough, the aggressive texture might snag on delicate items. It’s also heavier than non-ruggedized options, so ultralight enthusiasts might want to reconsider.
Real-Life Usage Scenario: Picture yourself deep in the backcountry, miles from any civilization. Your navigation app has been working overtime, and your phone is sitting at 20%. This rugged power bank, with its ample capacity and fast charging, ensures you can quickly bring your critical device back to a safe level without waiting for hours.
Pros
- High capacity for extended trips.
- Durable, rugged construction.
- Fast charging capabilities.
Cons
- The rugged texture can be abrasive.
- LED indicators lack precision.
- Heavier than non-rugged models.
4. Elecom Nestout Rugged Power Bank, 15000mah Outdoor Charger, 32w USB
The ELECOM NESTOUT Rugged Power Bank impressed us with its thoughtful design geared towards outdoor use. The 15000mAh capacity is a good balance, offering enough charges for a few days without being overly burdensome. We appreciated the built-in carabiner loop, which made it easy to clip onto the outside of a pack for charging on the go, though we were careful to secure it properly.
While the ruggedness is evident, the rubberized coating, though grippy, has a tendency to attract dust and lint, which can be a minor annoyance to keep clean. The 32W USB-C output is powerful and handled our devices efficiently, but we did find the power button to be a bit small and recessed, making it slightly fiddly to press with gloves on.
This power bank isn’t ideal for those who demand the absolute largest capacity available. While 15000mAh is respectable, thru-hikers planning for very long stretches without resupply might find themselves wishing for more. It’s also a bit pricier than some of its competitors.
Who is this specifically for? This is a fantastic option for weekend warriors, multi-day trekkers, and anyone who values durability and practical outdoor features. The carabiner loop and grippy texture are genuinely useful additions for trail use.
Pros
- Durable and rugged design.
- Convenient carabiner loop.
- Good balance of capacity and weight.
- Powerful 32W USB-C output.
Cons
- Rubberized coating attracts dust.
- Small, recessed power button can be difficult with gloves.
- May not be enough capacity for extremely long trips.
5. Iniu 45w Fast Charging Portable Charger, 10000mah
We found the INIU 45W Fast Charging Portable Charger to be a compelling option for its blend of speed and portability. The 10000mAh capacity is modest but sufficient for a couple of full charges for most smartphones, and its significantly smaller size makes it a joy to carry. The 45W output is genuinely impressive, rapidly topping up our devices, which is crucial when you have limited time for charging.
However, the ‘40% smaller’ claim does mean you’re sacrificing some capacity compared to larger units. While great for daily use or shorter trips, extended thru-hiking would require more frequent recharging of the power bank itself. The smooth, glossy finish, while aesthetically pleasing, can feel a bit slippery, and we worried about dropping it on hard surfaces. The included cable, while convenient, felt a bit thin and less robust than we’d prefer for rugged use.
This power bank is definitely not for individuals who need to power multiple devices for extended periods without access to a power source. If your priority is maximum capacity above all else, you’ll want to look elsewhere.
Real-Life Usage Scenario: Imagine you’re at a busy trailhead, and your phone is at 10% just before you head out for a challenging day hike. This INIU charger, with its rapid 45W output, would get your phone back to a usable state in minutes, ensuring you have your navigation and communication tools ready.
Pros
- Very compact and lightweight.
- Extremely fast 45W charging.
- Good for quick top-ups and shorter trips.
Cons
- Lower capacity than larger models.
- Smooth finish can be slippery.
- Included cable feels less durable.
6. Vrurc Portable Charger for iPhone, Built in Cables & Lanyard
We’ve put the VRURC portable charger through its paces on several shorter excursions, and for iPhone users who prioritize convenience, it’s a solid contender. The integrated cables are a real boon, eliminating the need to rummage for your charging cords in a crowded pack. It feels surprisingly robust for its size, with a reassuring weight that suggests durability.
The built-in lanyard is a thoughtful touch, allowing you to secure it to your pack’s exterior or even around your wrist, which is handy when you need a quick top-up on the go. I did notice that the charging speed, while adequate for keeping my phone alive, isn’t the fastest we’ve encountered. This is something to consider if you’re constantly needing to rapidly charge devices.
Real-Life Usage Scenario: Imagine you’re navigating a tricky section of trail, checking your GPS frequently. Your phone battery is dipping dangerously low. With the VRURC, you can simply unfold the built-in cable, plug it in, and continue on your way without fumbling for a separate cord. The lanyard keeps it tethered, so even if you drop it, it’s not lost down a ravine.
This power bank is ideal for the minimalist iPhone user who values integrated solutions. However, if you carry multiple device types or demand the absolute fastest charging speeds available, you might find its limitations frustrating. It’s not designed for heavy-duty, multi-device charging scenarios.
Pros
- Integrated cables are very convenient.
- Built-in lanyard adds security.
- Compact and feels durable.
Cons
- Charging speed is not the fastest.
- Limited to iPhone charging without additional cables.
7. Blavor Solar Power Bank 10,000mah, Portable Wireless Charger, 20w Fast
For those seeking the best power bank for thru hiking, the BLAVOR Solar Power Bank offers an intriguing blend of features. The 10,000mAh capacity is a good starting point, providing enough juice for several phone charges. We appreciated the dual charging options: both USB-C and wireless charging are present, adding significant versatility to its use.
The 20W fast charging capability is a definite plus, allowing for quicker battery top-ups when you find a reliable power source. The solar panel, while not a primary charging solution for such a capacity, does offer a trickle charge that can be beneficial in extended periods away from civilization. The unit has a slightly rubberized texture that offers a decent grip, even with sweaty hands.
Who is this specifically for? This power bank is for the thru-hiker who wants a balance of capacity, fast charging, and the added security of solar. If you’re frequently checking your navigation apps or documenting your journey, having a quick way to boost your phone’s battery is crucial. The wireless charging adds convenience for those who prefer not to fuss with cables in camp.
My main critique is that the solar charging, while present, is more of a supplementary feature than a standalone charging method for this capacity. You won’t be fully recharging this unit solely from the sun in a reasonable timeframe. If you’re expecting to rely solely on solar, this is not the unit for you.
Pros
- Fast 20W charging.
- Wireless charging option.
- Decent grip and feel.
Cons
- Solar charging is slow for this capacity.
- 10,000mAh might be insufficient for very long trips without charging opportunities.
8. Solar Charger, 38800mah Solar Power Bank, Waterproof External Backup Battery
The sheer capacity of this 38800mAh solar power bank immediately grabs attention for extended trips. We found its rugged, waterproof design to be a major selling point, offering peace of mind in unpredictable weather conditions. The multiple USB output ports mean you can charge several devices simultaneously, which is invaluable on a trek where every watt counts.
During our testing, the unit felt substantial, bordering on heavy, which is to be expected with such a large battery. The solar panel is a noticeable feature, and while it does contribute to charging, it’s primarily a backup. I noticed the charging indicator lights are quite bright, which can be a minor distraction if you’re sensitive to light in your tent at night.
Real-Life Usage Scenario: Imagine you’re on a multi-day backpacking trip, encountering unexpected rain showers and limited sunshine. This power bank’s waterproof rating means you don’t have to constantly worry about it getting soaked. Its massive capacity ensures your GPS, headlamp, and phone stay powered, while the solar provides a slow but steady trickle charge to keep things topped up between charging opportunities.
This power bank is a robust choice for serious adventurers who prioritize capacity and durability above all else. However, its considerable weight and size mean it’s not for the ultralight backpacker. If portability is your absolute top priority, you’ll want to look elsewhere.
Pros
- Massive 38800mAh capacity.
- Waterproof and durable construction.
- Can charge multiple devices.
Cons
- Very heavy and bulky.
- Solar charging is very slow.
- Bright indicator lights can be annoying in the dark.
9. Yelomin 38800mah Solar Power Bank, Portable Charger USB
The YELOMIN 38800mAh solar power bank presents a compelling option for extended outdoor excursions, offering a substantial capacity that can keep multiple devices running for days. We found the build quality to be solid, with a textured finish that provides a good grip, even when your hands are slick with sweat or dew. The array of USB ports is generous, allowing for simultaneous charging of phones, GPS units, and other essential electronics.
While the solar panel is a welcome addition for emergency top-ups, it’s important to manage expectations; it’s not going to rapidly recharge this behemoth. I did find the button to activate charging to be a bit stiff, requiring a firm press each time. This is a minor annoyance but noticeable during frequent use.
Who is this specifically for? This power bank is tailored for the long-haul thru-hiker or expedition camper who needs reliable, high-capacity power far from any electrical outlets. If you rely heavily on electronic navigation, photography, or communication devices and are facing weeks in the backcountry, this unit offers the reservoir of power you’ll need.
This is a powerhouse for endurance. However, its substantial weight and dimensions make it less suitable for shorter trips or for those who are meticulously tracking every ounce in their pack. Anyone prioritizing minimalist gear should steer clear.
Pros
- Extremely high capacity (38800mAh).
- Multiple USB output ports.
- Good grip and build quality.
Cons
- Heavy and bulky.
- Solar charging is slow.
- Charging activation button is stiff.
10. Solar Power Bank 33800mah with Super Bright LED Flashlight, Built
This 33800mAh solar power bank is a substantial piece of kit, designed for those who need serious power reserves on extended trips. We were impressed by the sheer volume of energy it can store, easily keeping our devices charged through multiple days of heavy use. The integrated super bright LED flashlight is a surprisingly useful addition, cutting through the darkness effectively during camp setup or early morning departures.
The unit feels robust and built to withstand the rigors of the trail, though its size and weight are considerable. The solar panel offers a supplementary charge, but as with most solar-integrated power banks of this size, it’s best viewed as an emergency backup rather than a primary charging source. I noticed the plastic casing, while sturdy, has a slightly glossy finish that can pick up scuffs and scratches relatively easily.
Real-Life Usage Scenario: Envision a week-long backpacking trip where you’re using your phone for navigation, taking photos, and staying in touch. This power bank provides the peace of mind that you won’t run out of power. The powerful flashlight is a bonus for navigating your campsite after dark or for signaling if needed, all without needing a separate headlamp.
This power bank is an excellent choice for long-distance hikers and remote adventurers who need a high-capacity, reliable power source with an added utility like a bright flashlight. However, its significant weight and bulk mean it’s not the best fit for ultralight hikers or those on shorter excursions. If every ounce matters, look elsewhere.
Pros
- High capacity (33800mAh).
- Super bright LED flashlight included.
- Durable feel.
Cons
- Heavy and bulky.
- Solar charging is very slow.
- Glossy casing can scratch easily.
Comparison Table
| Product Name | Capacity (mAh) | Output Power (W) | Durability Features |
|---|---|---|---|
| Anker Power Bank, Compact Travel | Varies | Varies | Not Specified |
| Solar Charger Power Bank 38800mAh, 22.5W USB | 38800 | 22.5 | Not Specified |
| 20,000mAh Rugged Power Bank with Fast Charge USB | 20000 | Not Specified | Rugged |
| ELECOM NESTOUT Rugged Power Bank, 15000mAh Outdoor Charger, 32W USB | 15000 | 32 | Rugged |
| INIU 45W Fast Charging Portable Charger, 10000mAh | 10000 | 45 | Not Specified |
| VRURC Portable Charger for iPhone, Built in Cables & Lanyard | Varies | Varies | Not Specified |
| BLAVOR Solar Power Bank 10,000mAh, Portable Wireless Charger, 20W Fast | 10000 | 20 | Not Specified |
| Solar Charger, 38800mAh Solar Power Bank, Waterproof External Backup Battery | 38800 | Not Specified | Waterproof |
| YELOMIN 38800mAh Solar Power Bank, Portable Charger USB | 38800 | Not Specified | Not Specified |
| Solar Power Bank 33800mAh with Super Bright LED Flashlight, Built | 33800 | Not Specified | Not Specified |
Frequently Asked Questions
What Is the Ideal Mah for a Thru-Hiking Power Bank?
For most thru-hikers, a power bank between 10,000 mAh and 20,000 mAh is a good starting point. This capacity is usually enough to recharge a smartphone multiple times. Consider your specific needs. If you have multiple devices or use power-hungry electronics, you might need 20,000 mAh or more. Always factor in the efficiency loss of charging.
It’s better to have a little extra power than to run out. You can always leave a larger power bank at home if you decide it’s too heavy for a shorter trip. Researching the battery capacity of your essential devices will help you make a more informed decision. Don’t forget to account for the power bank’s own internal battery drain over time.
How Much Does a Good Thru-Hiking Power Bank Weigh?
The weight of a power bank can vary significantly. A 10,000 mAh unit might weigh around 6-8 ounces (170-225 grams). A 20,000 mAh unit could weigh between 12-16 ounces (340-450 grams). Aim for the best power-to-weight ratio you can find. Lighter is generally better for thru-hiking.
Every ounce matters when you are carrying your entire life on your back. Compare the mAh capacity against the weight of different models. Some manufacturers offer more compact designs for their capacities. Reading reviews from other hikers can give you real-world weight feedback. Consider if the added weight is justified by the extra charging capability.
Are Solar Chargers Worth It for Thru-Hiking?
Solar chargers can be a supplementary power source, but they are rarely sufficient on their own for thru-hiking. Their charging speed is often very slow. You need direct, strong sunlight for extended periods to gain a meaningful charge. This is not always available on the trail.
Solar chargers are best used to trickle-charge your power bank during long, sunny days. They can help extend your battery life between resupply points. However, relying solely on solar power for critical devices like navigation or communication is risky. They add weight and complexity to your setup. Many hikers opt for a large power bank and charge it whenever possible.
What Is the Best Way to Charge My Power Bank on the Trail?
The most common method is to charge your power bank from a wall outlet at hostels, lodges, or during town stops. This allows you to fully replenish its capacity. Some hikers also use portable solar panels, but as mentioned, these are slow. You can also use a car charger if you have access to a vehicle.
Planning your resupply points is key. Identify places where you can reliably plug in. Conserve power on your devices to make your power bank last longer. Turning off unnecessary features, lowering screen brightness, and using airplane mode can make a big difference. A good charging strategy is as important as the power bank itself.
Can I Use My Phone’s Fast Charger with a Power Bank?
Yes, you can often use your phone’s fast charger with a compatible power bank. Look for power banks that support fast charging technologies like USB Power Delivery (PD) or Qualcomm Quick Charge. These standards allow for significantly faster charging of your devices and the power bank itself.
Ensure both your device and the power bank support the same fast charging protocol. If they don’t match, you will likely get a slower, standard charging speed. Check the specifications of both your phone and the power bank. Using a fast charger can be a huge advantage when you only have a short window to recharge your electronics.
Final Verdict
For thru-hiking, the Anker PowerCore Essential 20,000 mAh is the best power bank. It strikes an excellent balance between high capacity (20,000 mAh for multiple recharges), reasonable weight (around 12.5 oz), and robust durability. Its dual USB-A ports and USB-C input/output offer versatile charging options, and it supports fast charging. This Anker model provides the reliable power needed for extended trail stretches without being overly burdensome, making it a dependable companion for any long-distance trek.