Capacity 1,500 Wh
IP67 Dustproof & Waterproof UltraSeal
Power Ports 4xAC, 6xUSB, 1x12V
Recharge Time 2 Hrs 1000W AC, 3-6 Hrs 800W Solar
Weight 48.5 lbs
Cycle Life 1,000 cycles to 80+% capacity
Arkpax Ark – IP67 Rated Waterproof Power Station (1500Wh)
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Product Description
More Power. Less Weight.
The Ark delivers 1500Wh of dependable power in a compact, IP67-rated design—ready to go wherever your adventure (or weather forecast) takes you. Built with high-density NCM battery cells, it's lighter than its LFP counterparts while offering greater capacity than the Ark Evo. Perfect for powering tools, electronics, or emergency gear when weight, performance, and weather resistance all matter.
Takes Wet Weather in Stride
When storms hit or conditions get muddy, the Ark keeps running. Fully waterproof and field-ready, it’s engineered for those who don’t wait for blue skies.
One Power Station. Every Scenario.
From kitchens to coastlines to remote basecamps, the Ark adapts to your lifestyle—powering coffee makers, routers, laptops, or LED lights with the same reliability, indoors or out.
More Power. Same Footprint.
1500Wh of dependable energy in a lightweight, portable form—with runtimes you can count on for everything from walkie-talkies to water dispensers.
Which Arkpax Solution Is Right for You?
Compare all Arkpax waterproof power solutions side by side to find the perfect fit for your needs—whether you're looking for lightweight performance, long-term durability, or maximum off-grid capacity.
Video Courtesy of Arkpax
Product Manual
Specifications
Specification Table
| Model Name | U1800-US |
| Battery Chemistry | NCM |
| Cycle Life | 1000 cycles to 80+% capacity |
| Capacity | 1500Wh |
| Output Ports | 11(AC*4, DC*7) |
| Max Device(s) Power | 2118W |
| AC Output | 4 outlets, 1800W total (surge 3300W) |
| DC Output | - |
| USB-A Output | 2 ports, 22.5W Max. |
| USB-C Output | 4 ports, 5/9/12/15/20V, 5A, 100W Max. |
| Car Power Output | 1 port, 12V, 10A, 120W Max. |
| Recharging Time | 2 Hrs (1000W AC outlet) 6-12 Hrs (400W solar panel) 7 Hrs (240W car outlet) |
| AC Input Voltage | 110~130V (60Hz) |
| Solar Charging | 12-54V, 10A, 400W Max. |
| Car Charging | Support 12V/24V, 10A |
| DC Charging | - |
| UPS | 20ms |
| Operating Temperature | -10°C~40°C/14°F~104°F |
| Storage Temperature | -20°C~45°C/-4°F~113°F |
| Dimensions | 13.4 x 14.8 x 10.3 in / 34 x 37.5 x 26.2 cm |
| Net Weight | 48.5lbs / 22kg |