Assembly Animations
Powercell Setup (Coming Soon)
Tips for Peak Performance
For Phones & Small Devices
To charge a smartphone, GPS, or headlamp, crank at a steady pace of about 1 revolution per second. This is the most efficient speed for fast-charging most small electronics.
For Tablets & Large Devices
To charge larger devices like tablets, begin by cranking quickly (2+ revolutions per second). You will feel the resistance suddenly increase—this is a good sign that fast-charging has begun. Find a comfortable, steady pace to maintain the charge.
A User's Guide to Maximizing Power
1. Your Device’s Built-in Limits
Your device has built-in safety settings that limit its charging speed. Generally, devices with larger batteries can accept a faster charge.
2. The Right Connection
For the fastest charge, always use a high-quality, PD-compliant USB-C cable. The direct USB-C connection is the most powerful and efficient path.
3. State of Charge
Charging is fastest when a battery is below 50%. Your device’s software intentionally slows the charge speed as it fills, especially above 80%.
4. Your Own Cranking Power
Our generators efficiently convert your muscle power into electricity, but the output is determined by your input. Larger devices will require more effort.
Frequently Asked Questions
The Powerhouse is our original all-metal generator, built for maximum durability and brute-force power. The all-new Powercell is our ultralight, technologically advanced model, engineered with carbon fiber composites for ultimate portability and efficiency.
While results vary by device, you will generally see 1-2% increase in charge per minute of cranking. About 3 minutes of steady cranking is usually enough for a 5-minute call or a significant battery boost.
The generator is designed to be highly water-resistant and is protected by a weatherproof kit bag. While it can handle rain and splashes with no issue, it should not be fully submerged.
We stand by our craftsmanship. If you experience any part failures or need replacements, reach out to us at greg@zeusdynamo.com and we can usually send you replacement parts free of charge.
Need More help?
If your question wasn’t answered here, please don’t hesitate to reach out. Our founder personally reviews and responds to customer inquiries.
Contact us at: greg@zeusdynamo.com
