Xtorm XR104
A rugged 10,000 mAh power bank with a built-in solar panel, LED torch and 3 USB outputs, designed for hiking and camping.
Characteristics
- Capacity: 10,000 mAh (Li-polymer)
- Power: 20 W max (USB-C PD, QC 3.0)
- Outputs: 1 USB-C + 2 USB-A (3 devices)
- Recharging: USB-C (3.5 h) or built-in solar panel
- 10,000 mAh with solar panel, LED torch, rugged, 3 outputs
Detailed overview
The Xtorm XR104 (Xtreme Series) is a 10,000 mAh power bank built for the outdoors. Where a classic battery stays tucked in a pocket, the XR104 embraces outdoor use: a rubberised body that resists knocks and drops, protection against water splashes and dust, and a carabiner to clip it onto a bag. It also packs a built-in solar panel and an LED torch, two assets designed for hiking, camping and trekking.
On charging, it delivers up to 20 W on its bi-directional USB-C port (Power Delivery) and offers three outputs in total: one USB-C and two USB-A (Quick Charge 3.0), to power up to three devices at once. The total 20 W is then shared between the ports. The USB-C port also recharges the battery itself, in around 3.5 hours.
The built-in solar panel allows a backup top-up when no socket is available. Let us be clear: its small surface generates only a few Wh on a sunny day, enough to gain a little range in an emergency, but not to fill the 10,000 mAh in the sun. It is a useful safety net on an expedition, not a substitute for USB-C charging. The LED torch, for its part, proves very handy for lighting a camp or signalling your presence.
With its 10,000 mAh (around 37 Wh), the XR104 recharges most smartphones about twice, and stays under the 100 Wh airline cabin limit. Compact (165 x 86 mm) and built for tough conditions, it is aimed at those who want a rugged battery, with a torch and solar backup, to head far out with peace of mind.
Comparison
At around 50 to 70€, the Xtorm XR104 compares with the most sought-after backup solar power banks for the outdoors, through searches such as "best solar power bank for hiking" or "waterproof solar power bank". Here is how it sits against three alternatives: the BigBlue 10000, the BLAVOR 10000 and the Nekteck 10000.
| Criterion | Xtorm XR104 | BigBlue 10000 | BLAVOR 10000 | Nekteck 10000 |
|---|---|---|---|---|
| Capacity | 10,000 mAh | 10,000 mAh | 10,000 mAh | 10,000 mAh |
| Power | 20 W (USB-C PD) | ≈ 15 W | ≈ 18 W | ≈ 15 W |
| Outputs | 1 USB-C + 2 USB-A | 2 USB-A | USB-C + USB-A + Qi | USB-C + 2 USB-A |
| Outdoor assets | Solar, LED torch, carabiner | Solar, torch | Solar, torch, wireless | Solar, torch |
| Observed price | ≈ 60 € | ≈ 25 € | ≈ 30 € | ≈ 25 € |
In short, the Xtorm XR104 stands out for its charging power (20 W over USB-C Power Delivery, the highest of the group) and for the brand, known for its rugged accessories. Its three outputs let you charge several devices at once, and the finish inspires confidence in tough conditions. The BigBlue, BLAVOR and Nekteck alternatives are far cheaper and also rely on backup solar and an LED torch, the BLAVOR even adding wireless charging, but with slightly more modest wired power. As on all these batteries, the solar panel remains a backup and not a true recharging source: it is a plus for peace of mind on an expedition, to be chosen above all for its ruggedness and USB power.
Related video
Video: Xtorm 20W PD Waterproof Solar Charger 10.000 mAh (XR105)
Our tester's review: Guillaume Hoarau
We tested the Xtorm XR104 as an adventurer's battery, and that is exactly where it makes sense. The rubberised body inspires confidence: it takes knocks, resists water splashes and dust, and the supplied carabiner lets you clip it onto a backpack to charge while walking. The built-in LED torch is a real bonus at a bivouac, handy for lighting a tent or getting by at night. On wired charging, the 20 W over USB-C top up a smartphone at a good pace, and being able to plug in three devices at once (1 USB-C, 2 USB-A) helps when there are several of you. The 10,000 mAh give around two full phone charges. Let us be honest about the solar: the small built-in panel is a backup to a backup, recovering a few Wh on a sunny day, enough to scrape a little range in a pinch, but not enough to fill the battery in the sun (count on USB-C to top it up fully). Seen for what it is, a solid outdoor battery with solar backup and a torch rather than a true solar charger, the XR104 is a reassuring, versatile companion in the wild.
Frequently asked questions
Yes, thanks to its built-in solar panel, but it is a backup: it recovers only a few Wh on a sunny day. Handy to scrape some range in a pinch, but to fill it up, USB-C charging (around 3.5 hours) is far better.
Its 10,000 mAh (around 37 Wh) recharge most smartphones about twice, depending on their battery capacity. Enough to see out a weekend of hiking with no socket.
Up to three: one on the USB-C port and two on the USB-A ports. The total 20 W is then shared between the outputs in use.
It resists water splashes, dust and knocks, with a rubberised body built for the outdoors. It is not, however, designed to be submerged.
Yes. At around 37 Wh, it stays well under the 100 Wh cabin limit set by most airlines, with no special authorisation needed.
Page last updated on 08/07/2026