Portable Power Packs That Brave the Rain
Our top pick is the Anker 737 Power Bank, built for backpackers who need high capacity and fast charging. Its rugged design and 24000mAh capacity keep devices running for days. The main limitation is its weight, over a pound, which may deter ultralight hikers. But for most, the tradeoff is worth it.
Backpacking demands gear that survives the elements. A soaked phone or GPS can ruin a trip. That’s why you need a power bank that shrugs off rain and splashes.
We looked at current models with IP ratings, rugged casings, and reliable performance. Here’s what stands out for keeping your devices charged on the trail.
What matters most
The best picks, ranked

Anker 737 Power Bank (PowerCore 24K)
This 24000mAh beast delivers 140W output, enough to charge a laptop twice. Its IP67 rating means it shrugs off dust and temporary immersion. Owners report it survives drops and splashes without missing a beat.
Pros
- Fast 140W charging
- Rugged IP67 build
- Dual USB-C and USB-A ports
Cons
- Heavy for ultralight
- Pricey

Nitecore NB10000 Gen2
Under 5.3 ounces, this carbon fiber power bank is a favorite among thru-hikers. It offers 10000mAh capacity and IPX5 water resistance. Users appreciate its compact size and reliable performance in damp conditions.
Pros
- Extremely lightweight
- Durable carbon fiber shell
- Fast charging for size
Cons
- Only one port
- IPX5 not fully submersible

Anker PowerCore Essential 20000 PD
With 20000mAh capacity and IP68 waterproofing, this power bank is a rugged workhorse. It charges an iPhone multiple times and can withstand rain and splashes. Owner reviews highlight its solid build and consistent output.
Pros
- Fully waterproof IP68
- Large capacity
- Affordable
Cons
- Heavier than some
- Slower charging than premium
Zendure SuperMini 10000mAh
This tiny power bank is smaller than a credit card, yet offers 10000mAh and IPX6 water resistance. It’s perfect for tossing into a pocket or dry bag. Users praise its durability and sleek design.
Pros
- Ultra-compact
- Rugged aluminum casing
- Good water resistance
Cons
- Limited capacity
- Single USB-C port

Aukey 20000mAh Power Bank with 60W PD
With 60W USB-C PD, this power bank can fast-charge laptops and tablets. Its IPX5 rating makes it splash-proof. Backpackers who need to power multiple devices will appreciate the dual ports and LED display.
Pros
- High 60W output
- Dual port charging
- Clear battery display
Cons
- Bulkier and heavier
- Not fully submersible

RavPower 10000mAh Solar Power Bank
This power bank combines a 10000mAh battery with a solar panel for emergency top-ups. It’s IPX4 rated, meaning it handles splashes. While solar charging is slow, it offers peace of mind on multi-day trips.
Pros
- Solar charging backup
- Rugged design
- Built-in flashlight
Cons
- Solar efficiency low
- Heavy for capacity

Goal Zero Venture 75
Goal Zero’s Venture 75 is built to withstand drops and water, rated IP68. It has a 15000mAh capacity and two USB ports. Owners like its rugged exterior and reliable performance in harsh weather.
Pros
- Very durable IP68
- Two USB ports
- Trusted brand
Cons
- Heavy for capacity
- Slow charging speed
Compared at a glance
| # | Model | Capacity | Best for | Score | Price |
|---|---|---|---|---|---|
| 1 | Anker 737 Power Bank (PowerCore 24K) | 24000mAh | High capacity with fast charging | 9.4 | Check price |
| 2 | Nitecore NB10000 Gen2 | 10000mAh | Ultralight backpacking | 9.2 | Check price |
| 3 | Anker PowerCore Essential 20000 PD | 20000mAh | Budget-friendly reliability | 9.0 | Check price |
| 4 | Zendure SuperMini 10000mAh | 10000mAh | Compact everyday carry | 8.8 | Check price |
| 5 | Aukey 20000mAh Power Bank with 60W PD | 20000mAh | Charging laptops and tablets | 8.6 | Check price |
| 6 | RavPower 10000mAh Solar Power Bank | 10000mAh | Extended trips with solar backup | 8.4 | Check price |
| 7 | Goal Zero Venture 75 | 15000mAh | Durability and multi-device charging | 8.2 | Check price |
Good to know
Can I bring a power bank in my backpacking pack?
Yes, power banks are essential for keeping your devices charged. Choose one with an IP rating to protect it from moisture.
What does IP67 mean?
IP67 means the device is dust-tight and can be submerged in up to 1 meter of water for 30 minutes.
How long does it take to charge a power bank with solar?
Solar charging is slow and depends on sunlight. It may take days to fully charge, so it’s best as an emergency backup.
How many times can a 10000mAh power bank charge a phone?
On average, a 10000mAh power bank can charge a smartphone with a 3000mAh battery about two to three times, accounting for energy loss.
Is it safe to use a power bank in the rain?
If it has an IPX5 or higher rating, yes. But always try to keep it dry to avoid long-term damage.
What is the best power bank for ultralight backpacking?
The Nitecore NB10000 Gen2 is a top choice, weighing only 5.3 ounces with 10000mAh capacity.
Can I charge my laptop with these power banks?
Some models with 60W or higher output can charge laptops. The Anker 737 provides up to 140W, enough for most laptops.
How do I maintain my power bank on a long trip?
Keep it in a dry bag or waterproof compartment. Avoid extreme temperatures and charge it when possible.
Our pick
For most backpackers, the Anker 737 Power Bank is the best all-around choice because it balances high capacity, fast charging, and rugged waterproofing. If you’re counting every ounce, the Nitecore NB10000 Gen2 is worth the splurge. Stick with these two, and you’ll have reliable power on any adventure.