Eufy is known for its reliable security products, but some users have reported issues with solar panels not charging their cameras effectively. This article will explore the commonly affected models, user-reported problems, analysis and solutions, and other frequently asked questions (FAQs) about eufy solar panels.

Commonly Affected eufy Models
Several eufy products are reported to have issues with solar panels not charging effectively:
eufyCam 2 and 2C
Users have noted these models often struggle with consistent charging.

Despite being newer, users report intermittent charging issues.
eufyCam 3
Similar complaints have been raised about the solar panel's performance.
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User-Reported Problems
The main issues reported by users include:
- No Charging Indication: The solar panel shows 0 mAh and 0 min charging in the eufy Security app, even after several sunny days.
- Battery Draining: Despite being connected to the solar panel, the camera battery continues to drain.
- Inconsistent Charging: Some days the solar panel charges the camera effectively, while other days it doesn’t, even under similar weather conditions.
- Detection Issues: The solar panel is detected in the app, but it fails to charge the camera.
Analysis and Solutions
To address the issues with eufy solar panels not charging, users can follow these detailed troubleshooting steps:
Check USB Connection
Ensure the USB Connection is Secure and Undamaged
Inspect the Connection Points: Verify that the USB connection between the eufyCam and the solar panel is secure and undamaged. For example, users of the eufyCam 2C often report hearing a "click" sound when the connection is made correctly.

Check Waterproof Seals: Ensure the waterproof seal around the USB connection is intact, especially for outdoor models like eufyCam 2 and eufyCam 3. Proper sealing prevents moisture from interfering with the connection.

Position for Maximum Sunlight
Verify Solar Panel Installation Location

- Direct Sunlight Exposure: The solar panel should be installed in a location that receives several hours of direct sunlight each day. For instance, eufy suggests at least 2 hours of direct sunlight daily for optimal performance. A user with the SoloCam S340 noted significantly reduced charging efficiency when the panel was installed in a shaded area.
- Avoid Obstructions: Ensure there are no obstructions like trees or buildings blocking the sunlight. Reports indicate that eufyCam 2 performs best when installed on rooftops without any shade.
Solar Panel Mode
Set eufyCam to Solar Panel Charging Mode
- App Settings: Open the eufy Security app and navigate to Camera Settings > Power Manager > Power Source, then select "Solar Panel". This is particularly important for models like eufyCam 2C and eufyCam 3 that support multiple power sources.
- Firmware Checks: Ensure both the app and camera firmware are updated to the latest versions. Users have reported significant improvements in solar panel charging efficiency with the latest firmware updates.

Firmware Updates
Check and Install the Latest Firmware Updates
- Regular Updates: Regularly check for firmware updates through the eufy Security app. Firmware updates can address known charging issues. For instance, a January 2023 update resolved a major charging issue for eufyCam 3C.
- Rollback Option: If the issue persists after an update, consider rolling back to a previous firmware version. Some users have found that recent updates exacerbate charging issues, which were resolved by reverting to an older version.
Reset and Reconnect
Try Disconnecting and Reconnecting the Solar Panel
- Disconnect and Wait: Disconnect the solar panel from the camera, wait a few minutes, and then reconnect it. Users of the SoloCam S340 have reported that this method can resolve intermittent charging interruptions.
- Restart Devices: Restart both the camera and the solar panel to ensure they communicate properly.
Temperature Check
Ensure Operating Temperature is Within the Normal Range
- Temperature Range: eufyCams charge within the temperature range of 0℃ to 45℃. Charging will stop in extreme temperatures (e.g., below 0℃ in winter or above 45℃ in summer). Users reported that eufyCam 2's charging efficiency drops significantly during cold winters.
- Choose Optimal Installation Location: In extreme temperature environments, choose installation locations with moderate conditions, such as shaded areas during high heat or protected areas during extreme cold.
Inspect for Physical Damage
Check Solar Panel and Cable for Physical Damage
- Visual Inspection: Inspect the solar panel and USB cable for any visible damage or wear. For example, eufyCam 2C users have reported that cable wear and tear can lead to charging interruptions.
- Functional Testing: Test the solar panel with a spare USB cable to ensure the cable is not the issue.
Additional Considerations
Weather Conditions and Other Factors
- Impact of Weather: Be aware that weather conditions significantly affect solar charging efficiency. Cloudy or rainy days reduce efficiency, requiring a few sunny hours to restore power. Users have noted that after several cloudy days, the battery level of the eufyCam 3C drops noticeably.
- Waterproof and Dustproof: Ensure the solar panel and camera are properly waterproofed and dustproofed. This is crucial for models like eufyCam 2 and eufyCam 3. Ensure all connection points are well-sealed to prevent water or dust ingress.
By following these steps and considerations, users can effectively address the issue of eufy solar panels not charging, ensuring the continuous operation of their security systems. Regular maintenance and proper installation are key to achieving optimal performance from your eufy devices.
eufy Solar Panel Charger FAQ
eufyCam Solar Panel
Here are the frequently asked questions about the eufy Solar Panel charger for eufyCams, based on feedback from our valued customers.
Before You Buy
Which models are compatible with the Solar Panel? The Solar Panel is compatible with the following models: eufyCam, eufyCam E, eufyCam 2C/2C Pro, eufyCam 2/2 Pro, SoloCam E20, SoloCam E40, 4G Starlight Camera, and eufyCam 3/3C.
Is there a bundle package of two solar panels, or must I purchase them separately? You will need to purchase the Solar Panels separately.
Can the Solar Panel be used with the eufy IndoorCam Pan & Tilt? No, the Solar Panel is not compatible with the Indoor Cam 2K/1080P Pan & Tilt.
Can the Solar Panel be used with the eufy Video Doorbell? No, we do not recommend using the Solar Panel with the eufy Video Doorbell.
What is the length of the USB cable? The USB cable is 13 feet (4 meters) long.
What are the output voltage and amperage of the Solar Panel? The output voltage is 5V, and the output current is up to 500mA, depending on sunlight.
How can I tell if the Solar Panel is working?
- Ensure your eufyCam is in Solar Panel Charging Mode.
- Connect the Solar Panel to the eufyCam.
- Verify that the Solar Panel is receiving direct sunlight.
For optimal performance, switch your eufyCam to Solar Panel mode after confirming the panel is operational.
How much electricity can the Solar Panel generate for the eufyCam daily? The Solar Panel's performance depends on local weather. With 1-2 hours of direct sunlight daily, your eufyCam will remain charged continuously.
Why might the eufyCam's battery power drop after connecting the Solar Panel? The Solar Panel's efficiency is influenced by weather conditions. Cloudy or rainy days may cause a temporary drop in power, but 1-2 hours of sunlight will quickly recharge the battery. Over time, the battery level will stabilize and increase.
To troubleshoot, ensure:
- The USB connection is secure.
- The Solar Panel receives direct sunlight for several hours daily.
- The eufyCam is in Solar Panel Charging Mode.
Can the Solar Panel damage the battery? No, it will not damage the battery. The eufyCam has a power management chip that stops charging once the battery is full.
Will the Solar Panel charge the eufyCam in extreme temperatures? The eufyCam charges within a temperature range of 0°C to 45°C. Outside this range, the camera cannot be charged.
App Setup
Will the Solar Panel allow continuous recording? No, it will not enable continuous recording.
How can I switch the eufyCam to Solar Panel mode?
- Update the eufy Security app from the App Store (for iOS devices, version 11 and later) or Google Play (for Android devices, version 5.0 and later).
- Open the app, go to Camera Settings > Device Info > Check for camera firmware updates.
- Go to Camera Settings > Power Manager > Power Source, and select Solar Panel.
How can I tell if the eufyCam is in Solar Panel Charging Mode? When in Solar Panel Charging Mode, the eufyCam's indicator light will not turn on while charging.
Hardware Installation
Is the USB cable permanently attached to the back of the panel? Yes, it is.
Can I extend the length of the Solar Panel's cable? Yes, but ensure the extension cord is no longer than 8 feet (2.5 meters) with an impedance of less than 0.21Ω/m.
Does the connection between the panel and the camera have a good seal? Yes, it includes a port protector for a secure seal.
Can one Solar Panel charge two cameras? No, each eufyCam requires its own Solar Panel.
Is it possible for the Solar Panel to overcharge the battery? No, the eufyCam's power management chip prevents overcharging.
Is the Solar Panel waterproof once installed? Yes, each panel includes custom-fit silica gel for proper waterproofing. Follow the installation instructions carefully.
Can the Solar Panel be mounted on a concrete wall? Yes, for hard surfaces like concrete, brick, or stucco, use anchors before securing the Solar Panel with the mounting bracket.
Do Solar Panels need to be installed close to the eufyCam? The Solar Panel comes with a 13-foot (4-meter) Micro-USB cable. Install the panel where it receives maximum direct sunlight.
Can I install the Solar Panel inside a window? No, install the Solar Panel in an area with direct sunlight. Obstructions will reduce charging efficiency.
Can I use a Y splitter to charge one camera with two Solar Panels? Yes, two Solar Panels can be connected in parallel to charge one camera. Ensure the Y splitter uses high-quality wire, and keep the total wire length under 2.5 meters to maintain charging efficiency.
Conclusion
By following these steps and considerations, users can often resolve the issues they encounter with their eufy solar panels not charging. Regular maintenance and proper installation are key to ensuring optimal performance from your eufy security system.