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There's a version of a power bank for commuters and a version for people who genuinely need power where there isn't any. The Poseidon XL is firmly the second kind. Dark Energy have packed 27,000mAh into a rugged polycarbonate shell that meets MIL-STD-810G standards -- the same benchmark the military uses to test equipment against drops, crushing, dust, extreme temperatures, and altitude. IP68 waterproofing means it'll handle full submersion to six feet for 45 minutes without drama. The 100W USB-C port is the real headline act: fast enough to charge a laptop, powerful enough to run a Starlink Mini for a couple of hours when you're off-grid and genuinely need connectivity. Four fast-charging ports keep your whole kit topped up simultaneously, and a dedicated 100W solar charging port (XT60) means you're not solely dependent on finding a socket. A built-in timer cuts power after one or two hours to stop you draining the thing overnight by accident. It's large -- this is the biggest airplane-safe battery you can fly with
| Height | 21.2 cm |
| Width | 15.7 cm |
| Thickness | 4.1 cm |
| Weight | 1.13kg |
These days, your phone is much more than just a tool for communicating with the outside world. It’s your map and compass, your pocket torch, and your means to finance a quick resupply — all at the same time. In fact, it could be argued that it's the singular item that can make or break your adventure more than any other, especially if you’re out of battery the moment you need it. Which is something that the folks at Dark Energy are acutely aware of. As long-distance backcountry adventurers, they often spend days at a time in their native Wasatch Mountains, hiking dozens of miles over harsh terrain in Utah’s unforgiving climate. And they rely on their phones to keep them on track, safe, and connected to the outside world.
Knowing all too well the pitfalls of lesser power products, Dark Energy has made it its mission to create hyper-rugged charging solutions you can rely on in the wild. And since 2013, they have become a brand trusted, used and abused by everyone from hikers, campers and emergency workers to the US special forces — all due to the outstanding quality of their kit.
⇨ UK SHIPPING ONLY
There's a version of a power bank for commuters and a version for people who genuinely need power where there isn't any. The Poseidon XL is firmly the second kind. Dark Energy have packed 27,000mAh into a rugged polycarbonate shell that meets MIL-STD-810G standards -- the same benchmark the military uses to test equipment against drops, crushing, dust, extreme temperatures, and altitude. IP68 waterproofing means it'll handle full submersion to six feet for 45 minutes without drama. The 100W USB-C port is the real headline act: fast enough to charge a laptop, powerful enough to run a Starlink Mini for a couple of hours when you're off-grid and genuinely need connectivity. Four fast-charging ports keep your whole kit topped up simultaneously, and a dedicated 100W solar charging port (XT60) means you're not solely dependent on finding a socket. A built-in timer cuts power after one or two hours to stop you draining the thing overnight by accident. It's large -- this is the biggest airplane-safe battery you can fly with
| Height | 21.2 cm |
| Width | 15.7 cm |
| Thickness | 4.1 cm |
| Weight | 1.13kg |
These days, your phone is much more than just a tool for communicating with the outside world. It’s your map and compass, your pocket torch, and your means to finance a quick resupply — all at the same time. In fact, it could be argued that it's the singular item that can make or break your adventure more than any other, especially if you’re out of battery the moment you need it. Which is something that the folks at Dark Energy are acutely aware of. As long-distance backcountry adventurers, they often spend days at a time in their native Wasatch Mountains, hiking dozens of miles over harsh terrain in Utah’s unforgiving climate. And they rely on their phones to keep them on track, safe, and connected to the outside world.
Knowing all too well the pitfalls of lesser power products, Dark Energy has made it its mission to create hyper-rugged charging solutions you can rely on in the wild. And since 2013, they have become a brand trusted, used and abused by everyone from hikers, campers and emergency workers to the US special forces — all due to the outstanding quality of their kit.
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