When you're shopping for off grid mobile power systems, the first decision isn't which panel has the best specs-it's how much of the system you actually need. The Werchtay mono panel and the ECO-WORTHY complete kit sit at opposite ends of that answer. One costs $640.99 and gives you a single high-efficiency solar panel; the other costs $5,699.99 and gives you a complete solar-plus-storage kit. That's a $5,059 spread, and it should tell you right away they're solving different problems.
Quick verdict: If you need whole-home power with built-in battery storage, the ECO-WORTHY kit is the clear choice. If you're building a mobile or small off-grid setup and want a high-efficiency panel you can pair with your own battery and charge controller, the Werchtay panel is the more practical starting point.
At a glance
| Werchtay 350W Mono Panel | ECO-WORTHY 10kW Kit | |
|---|---|---|
| Listed price | USD 640.99 | USD 5,699.99 |
| Price position | ||
| What you get | Single 350W mono panel | 8×590W panels, 48V 314Ah LiFePO4 battery, cables |
| Power | Panel efficiency >25% | 10kW output, 16.1kWh storage |
| Best for | Mobile off-grid builds | Whole-home off-grid power |
Where each product wins
- Werchtay panel wins for flexibility. It's a compact high-efficiency panel that can be added to an existing system, used with MPPT or PWM charge controllers, and used in a variety of spaces. It's a good fit for agriculture, camping, home, garden, irrigation, RV, camper, caravan, and motorhome.
- ECO-WORTHY kit wins for completeness and capacity. It's designed to run common household appliances with 120V/240V split-phase support, and the integrated battery gives you stored energy for when the sun isn't shining.
Product notes
Werchtay 350W Mono Solar Panel

If you're piecing together a mobile off-grid setup, this panel makes sense. It uses TOPCon technology and N-type 16BB cells to reduce shading impact compared with older 9BB and 10BB cell designs. Cell efficiency comes in above 25%, and the panel supports both MPPT and PWM charging, so it pairs with a range of charge controllers. With dimensions around 68.31 x 30.12 inches and MC-4 connectors, it's a natural building block for a camper, boat, irrigation pump, or small home system. The trade-off is that this is a single panel, not a complete system. You'll need to bring your own battery, charge controller, inverter, wiring, and mounting plan before it produces usable power. It's a component, not a turnkey solution.
ECO-WORTHY 10KW Output 16.07KWH Off Grid Solar System Complete Kit for Home

If you need to power a house, this kit is the more complete answer. It bundles eight 590W panels with a total PV capacity of 4,720W, a 48V 314Ah LiFePO4 battery with about 16.1kWh of storage, and the cables needed for setup. The system can deliver up to 10kW output and supports 120V/240V single-phase split-phase, which makes it suitable for common household appliances. The integrated PACE 200A BMS adds another layer of protection. The clear limitation is size: the system measures 90 x 48 x 51 inches, so it needs a dedicated installation area. It's designed for a fixed home off-grid setup rather than a portable mobile rig.
Final choice by use case
Choose the Werchtay mono panel if you're building a small or mobile system, want to expand an existing setup, or need a panel for camping, RV, boat, or other small off-grid loads. It's the lower-cost building block.
Choose the ECO-WORTHY complete kit if you need whole-home power with battery backup and enough capacity to run typical household appliances. It's the bigger investment but the more complete solution.