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DARK ENERGY

DARK ENERGY Poseidon XL

DARK ENERGY Poseidon XL

$249.99 USD
$249.99 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.

DARK ENERGY Shipping,Returns,Refunds & Warranty

Shipping

Ships from USA

30-Day Return Guarantee

We want you to love your gear. If something’s not right, you’ve got 30 days from the date of purchase to send it back for a full refund.

5-Year Limited Warranty

We’ve got your back for the long haul. Every Dark Energy product is covered by a 5-year limited warranty from the date of purchase.

What’s covered:
- Manufacturer defects
- Performance issues not caused by misuse or external damage
- Port door replacement

What’s not covered:
- Normal wear and tear
- Damage from misuse or unauthorized modifications

Please click here to start the Warranty/Return process. 

DARK ENERGY Poseidon XL

Built to thrive where others quit, the Poseidon XL delivers uncompromising performance in the world’s harshest environments. With a 100 W USB-C input and output, it powers everything from laptops to a Starlink Mini. Whether you’re deep in the backcountry or off the grid entirely, this is the power source you trust.

Highlights

Largest airplane safe battery

IP68 waterproof and dust proof

1.5 charges on a 13" laptop (27,000 mAh)

4 fast charging ports

Powers satellite internet (2-3 hours)

100W Solar Charging Port (XT60)

Backed by a 5 year Dark Energy Warranty

Specs

IP68 waterproof, fully submersible up to 6 feet for 45 minutes

Drop, crush & dust-proof — built to exceed MIL-STD-810G standards

27,000mAh lithium-ion battery provides 1.5 charges for a 13" laptop

100W input and output port for fast charging (20V/5A)

1 and 2 hour timer to conserve energy and prevent accidental overnight drains

Operates in extreme heat, cold, moisture, and elevation

Built-in voltage regulator and surge protection for safe charging

Compatible with laptops, satellite internet, phones, lighting equipment, cameras & more

Built-in LED charge indicators

2 USB-C input for fast recharging (5V/3A, 9V/2A, 12V/1.5A)

Rugged polycarbonate housing with diamond-texture grip and reinforced corners

Dimensions

Height: 8.35 in (47 cm)
Width:  6.2 in (16 cm)

Thickness: 1.61 in (4 cm)

Weight: 2.5 lbs (39.79 oz)

What's in the Box

 Poseidon XL Powerbank
3ft 100W USB-C to USB-C Cable

    View full details

    Dark Energy Poseidon XL Review | Rugged Off-Grid Power Bank (27,000mAh, 100W)

    BUILT TO SURVIVE

    PERFORMANCE FOCUSED

    The Poseidon XL delivers 100 watts of output in a compact, TSA-compliant design—strong enough to power laptops, cameras, drones, and even Starlink Mini. It’s the new standard for field-ready energy.

    SURVIVALIST RELIABILITY

    In the backcountry or the battlefield, power isn’t optional—it’s survival. The Poseidon XL was engineered for extremes: fully submersible, drop-proof, and built to operate from –10°F to 120°F without losing charge. 

    OUR IDENTITY

    Dark Energy builds power for the extremes—for people who don’t turn back when things get hard. The Poseidon XL represents everything we stand for: relentless performance, uncompromising strength, and the freedom to go further than ever before.

    Posidon XL Overview

    FAQ

    Q: How long will it run my satellite internet?

    A: 2–3 hours. You can run it indefinitely when paired with a Spectre 56W Solar panel on a sunny day. 

    Q: How do I reset the Poseidon XL?

    A: Press and hold the reset button for 10 seconds until the lights flash.

    Q: What is the difference between this battery and others I can purchase for cheaper?

    A: Cheaper batteries are generally not waterproof, shockproof, or built for extreme use, which might work for some people. Poseidon XL is engineered to survive in the harshest of conditions. 

    Q: What comes with the Poseidon XL

    A: In each box is a Poseidon XL and a 100W 3 foot USB-C to USB-C Cable