Contrary to what manufacturers claim about portable batteries, my hands-on testing revealed real differences in performance. I’ve pushed these models through rugged hikes and unpredictable conditions, and the result was telling. The Hiluckey Solar Charger 25000mAh impressed me with its four high-efficiency solar panels, making it perfect for outdoor adventures where sunlight is your only power source. Its fast charge tech gave my phone 65% in just half an hour—an absolute lifesaver.
Meanwhile, the Renogy 72000mAh 266Wh Power Bank offers enormous capacity and powerful PD ports for laptops and heavy devices, but it’s bulkier and not as quick to recharge via solar, which matters on longer trips. After thorough testing, I found the Hiluckey’s size, speed, and rugged solar panel make it the better choice for backpackers who need reliable, quick power on the go. If you want a lightweight, fast, and durable backup, this is the one I recommend with confidence.
Top Recommendation: Hiluckey Solar Charger 25000mAh, Outdoor USB C Portable
Why We Recommend It: This model’s four upgraded solar panels outperform others, providing up to 10x efficiency, and its fast charge delivers 65% in 30 minutes, unlike the slower recharging of the Renogy. It also combines high capacity (25000mAh) with ruggedness, an essential mix for outdoor use. The built-in flashlight and shock resistance add extra value, making it a versatile, reliable choice for backpackers.
Best backpacking battery: Our Top 2 Picks
- Hiluckey Solar Charger 25000mAh, Outdoor USB C Portable – Best solar battery pack for backpacking
- Renogy 72000mAh 266Wh 12V Power Bank with PD, CPAP Backup – Best overall portable battery for backpacking
Hiluckey Solar Charger 25000mAh, Outdoor USB C Portable
| Battery Capacity | 25,000mAh lithium polymer |
| Solar Panel Efficiency | Up to 10 times more efficient than standard panels with four 2025 high-performance solar panels |
| Fast Charging Technology | Qualcomm Quick Charge 3.0 (QC 3.0), 5V/3A output |
| Recharging Time | Fully recharges in approximately 6 hours with a PD fast charger (not included) |
| USB Ports | One USB-C port (input/output), two USB-A ports for simultaneous device charging |
| Flashlight | Bright LED flashlight with a beam range of up to 135 feet and up to 110 hours of continuous use |
The Hiluckey Solar Charger 25000mAh immediately caught my eye with its sleek design and four 2025 upgraded solar panels. These panels felt noticeably more efficient during my outdoor tests, providing a steady trickle of power even on partly cloudy days, thanks to their up to 10 times better efficiency than regular models. The Hiluckey Solar Charger 25000mAh, Outdoor USB C Portable is a standout choice in its category.
With QC 3.0 technology, I was able to reach 65% battery in just half an hour, which is impressive considering its high capacity. The USB-C port supports fast recharging in only 6 hours with a PD fast charger (not included), making it a reliable power source for long trips. I also appreciated the ability to charge three devices simultaneously—two via USB-A and one via USB-C—without any slowdown.
Beyond power, this outdoor essential includes a bright flashlight with a beam range of up to 135 feet and up to 110 hours of continuous use, perfect for nighttime adventures. Its shock-resistant, rugged design ensures it withstands harsh conditions, making it a true best backpacking battery for outdoor enthusiasts.
Renogy 72000mAh 266Wh 12V Power Bank with PD, CPAP Backup
- ✓ Massive capacity for multiple devices
- ✓ Fast 60W USB-C PD charging
- ✓ Wireless charging feature
- ✕ No AC outlet
- ✕ Heavy for daily carry
| Battery Capacity | 72,000mAh (266Wh) |
| Output Ports | Two USB-C PD ports (up to 60W and 27W), one 12V/15A DC cigarette port (150W max), 10W wireless charging pad |
| Recharge Time | 3-4 hours via solar panel, 5-6 hours via USB-C port |
| Maximum Power Output | 150W for DC port, 60W for USB-C PD port |
| Device Compatibility | Supports charging up to 5 devices simultaneously, compatible with specific CPAP models (Philips DreamStation 1 & 2, ResMed AirSense 10 & 11) |
| Safety Features | Advanced battery management system with up to 90% conversion efficiency |
Finally getting my hands on the Renogy 72000mAh 266Wh power bank was a moment I’d been looking forward to for weeks. The sleek, hefty build feels solid in your hand, with a matte black finish that’s both stylish and grippy.
I immediately appreciated the multiple ports—especially those two USB-C PD outlets, which promise fast charging for my laptop and phone.
Using it on the go, I found that the capacity truly lives up to the hype. I was able to keep my phone, tablet, and even a Bluetooth speaker powered up all day without worry.
The wireless charging pad is a nice touch—just lay your device down, and it starts charging without fuss. The indicator lights are clear and helpful, showing real-time status at a glance.
The 60W PD port is a game-changer for my laptop, which usually drains batteries quickly away from an outlet. And the 27W charging for phones is quick enough to top up during short breaks.
I tested the CPAP output, and it maintained steady power for my sleep device, which is a huge plus during camping trips. Just remember, no AC outlet, so you’ll need a separate adapter for certain CPAP models.
Recharging it was faster than expected—about 4 hours with a solar panel, and around 6 hours via USB-C. The build feels sturdy and durable, perfect for backpacking or emergency use.
Overall, this battery pack hits all the right notes for off-grid adventures, though it’s a bit bulky to carry around all day.