When the grid fails, the trail gets brutal, or you’re operating far beyond civilization, the Dark Energy Poseidon Pro XL becomes the power source you can rely on without hesitation. Engineered for survivalists, overlanders, and off-grid adventurers, this rugged 27,000mAh powerhouse delivers uncompromising performance where ordinary batteries fail. Built with military-grade durability and fully sealed to IP68 waterproof and dustproof standards, the Poseidon Pro XL is designed to survive submersion, impact, crushing forces, and extreme environmental conditions. Whether you're deep in the backcountry, on a long-range expedition, or running critical gear off-grid, this is mission-ready power, anywhere on Earth. The Dark Energy Poseidon Pro XL isn’t just a power bank, it’s a survival-grade energy system trusted in environments where failure is not an option. Backed by a 5-year Dark Energy warranty, it’s built to outlast the mission. Specifications: Battery Capacity: 27,000mAh lithium-ion Power Output: 100W USB-C (20V/5A) Dimensions: 8.35” H x 6.2” W x 1.61” D Weight: 2.5 lbs (39.79 oz) Ports: 4 total fast-charging ports Charging Inputs: Dual USB-C + XT60 solar input What’s in the Box: Poseidon Pro XL Power Bank 3ft 100W USB-C to USB-C Cable