1. Product Overview
The ZAMP SOLAR 140 Watt Folding Kit (Model USP1002) is a portable solar power solution designed to provide reliable electricity in off-grid locations. This kit is ideal for charging batteries in RVs, trucks, campers, and boats, enabling the operation of interior lights, charging laptops and handheld devices, and powering small appliances like refrigerators and fans.
Key features include:
- Integrated 3-stage charge controller compatible with various battery types.
- Compact folding design for easy transport and storage.
- Quick-deploy leg system for simple setup and optimal sun exposure.
2. Safety Information
Please read all safety instructions before operating the ZAMP SOLAR 140 Watt Folding Kit.
- Electrical Hazard: Solar panels generate electricity when exposed to light. Handle with care. Do not touch exposed wires or terminals.
- Battery Safety: Always connect the solar panel to a battery with the correct polarity. Incorrect connection can damage the battery, controller, or panel. Ensure proper ventilation when charging lead-acid batteries.
- Physical Handling: The unit is approximately 38.4 pounds. Use proper lifting techniques to avoid injury. Secure the panel to prevent it from being blown over by wind.
- Environmental Conditions: Avoid submerging the panel in water. Do not operate in extreme temperatures outside the recommended range.
- Children and Pets: Keep the solar kit out of reach of children and pets.
3. Package Contents
Verify that all components are present in your ZAMP SOLAR 140 Watt Folding Kit:
- Dual Zamp Solar Legacy Series 70-Watt Panels (total 140 Watts)
- Ballistic-Nylon Protective Case
- Quick Deploy Leg System With Non-Skid Feet
- Hinge Mounted 10 Amp Charge Controller
- 15' Portable ATP to Extension Cable
- 6'' Fused Alligator Clamps (for direct battery connection)
- ATP-Zamp SAE Adaptor
4. Setup Instructions
4.1. Unfolding and Positioning the Solar Panels
- Remove the ZAMP SOLAR 140 Watt Folding Kit from its ballistic-nylon protective case.
- Carefully unfold the two 70-watt solar panels until they are fully extended.
- Deploy the quick-deploy leg system on the back of the panels. Ensure the non-skid feet are stable on the ground.
- Position the panels in a location with maximum direct sunlight, free from shadows. Adjust the angle of the legs to optimize sun exposure.

Image: The ZAMP SOLAR 140 Watt Folding Kit fully unfolded and set up with its integrated leg system.
4.2. Connecting to Your Battery
- Locate the hinge-mounted 10 Amp charge controller on the back of one of the panels.
- Connect the 15' portable ATP to Extension Cable to the output port of the charge controller.
- Attach the 6'' Fused Alligator Clamps to the other end of the extension cable (or use the ATP-Zamp SAE Adaptor if your RV has a compatible Zamp port).
- Connect the red alligator clamp to the positive (+) terminal of your battery and the black alligator clamp to the negative (-) terminal. Ensure a secure connection.
- The charge controller display should illuminate, indicating a successful connection and beginning the charging process.

Image: Rear view of the solar panel assembly, highlighting the integrated charge controller and connection points for the cables.
5. Operating Instructions
5.1. Charge Controller Functions
The integrated 10 Amp charge controller manages the power flow from the solar panels to your battery, preventing overcharging and optimizing efficiency. It features a 3-stage charging process.
- Battery Type Selection: The controller allows you to select different battery types (e.g., Lead-Acid, Gel, AGM). Refer to your battery's specifications and the controller's manual (if separate) to ensure the correct setting.
- Monitoring: The controller's display provides real-time information such as battery voltage, charging current (amps), and charging status.
5.2. Optimal Panel Placement
For maximum charging efficiency, ensure the solar panels are:
- Positioned directly facing the sun.
- Free from any shadows from trees, buildings, or other obstructions. Even partial shading can significantly reduce power output.
- Adjusted throughout the day to follow the sun's path, if possible, for prolonged peak performance.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your ZAMP SOLAR 140 Watt Folding Kit.
6.1. Cleaning the Panels
- Clean the surface of the solar panels periodically to remove dust, dirt, leaves, or other debris that can reduce efficiency.
- Use a soft cloth and mild, non-abrasive cleaning solution with water. Avoid harsh chemicals.
- Clean when the panels are cool, typically in the morning or evening.
6.2. Inspecting Connections
- Periodically check all electrical connections (cables, alligator clamps, controller terminals) for tightness and corrosion.
- Ensure cables are not frayed or damaged. Replace any damaged components immediately.
6.3. Storage
- When not in use, fold the panels and store them in the provided ballistic-nylon protective case.
- Store in a dry, cool place away from direct sunlight and extreme temperatures.
7. Troubleshooting
If you encounter issues with your ZAMP SOLAR 140 Watt Folding Kit, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power output / Controller display off | No sunlight, incorrect battery connection, faulty cable, discharged battery. | Ensure panels are in direct sunlight. Check battery connections for correct polarity and tightness. Inspect cables for damage. Verify battery has some charge. |
| Low power output | Partial shading, dirty panels, incorrect panel angle, weak sunlight. | Relocate panels to full sun. Clean panel surfaces. Adjust panel angle for optimal sun exposure. Note that output will be lower on cloudy days. |
| Controller display error | Internal fault, incorrect settings. | Refer to the charge controller's specific manual for error codes. Disconnect and reconnect the battery to reset the controller. |
8. Technical Specifications
| Specification | Detail |
|---|---|
| Brand | Zamp solar |
| Model Number | USP1002 |
| Maximum Power | 140 Watts |
| Maximum Voltage | 12 Volts |
| AC Adapter Current | 7.8 Amps |
| Efficiency | High Efficiency |
| Material | Nylon (case) |
| Product Dimensions (folded) | 32.4"L x 21.5"W x 3.1"H |
| Item Weight | 38.4 pounds |
| Included Components | Dual 70W Panels, Protective Case, Leg System, 10A Controller, 15' ATP Extension Cable, 6'' Fused Alligator Clamps, ATP-Zamp SAE Adaptor |
| UPC | 856204007327 |
9. Warranty and Support
Zamp Solar products are designed for durability and performance. For specific warranty details, please refer to the documentation included with your purchase or visit the official Zamp Solar website.
For product support, technical assistance, or to explore additional Zamp Solar products, please visit the Zamp Solar Store on Amazon.
Optional protection plans are available for purchase separately to extend coverage beyond the manufacturer's warranty. These plans are offered by third-party providers.