Can solar-powered ETC be charged?
3 Answers
Solar-powered ETC can be charged, as ETC uses its own built-in power source. The ETC electronic tag consumes electricity, but it does not require regular battery charging during normal use because there is a solar panel on the back of the battery that can charge itself. During installation, it is necessary to avoid the black areas on the windshield. The built-in power source of ETC typically has a lifespan of 3-5 years. ETC stands for Electronic Toll Collection, which means electronic toll system. To apply for ETC, you need to provide the original and photocopy of the vehicle owner's valid ID card and vehicle registration certificate. If the application is not made by the owner, the agent must also bring their valid ID card. The photocopy of the vehicle registration certificate should include the page with the most recent annual inspection stamp. Additionally, a bank card for deducting highway tolls is required. Applicants must be between 18 and 60 years old and own the vehicle in their name. The working principle of ETC: Through the onboard electronic tag installed on the vehicle's windshield, it communicates with the microwave antenna in the ETC lane at the toll station. Using computer networking technology, it settles transactions with the bank in the background, allowing vehicles to pass through highway or bridge toll stations without stopping to pay the toll. Benefits of installing ETC: Time-saving: Eliminates the hassle of waiting in line; Green and eco-friendly: Low-carbon, as vehicles pass through toll stations without stopping, reducing noise and exhaust emissions and pollution; Cost-saving: Reduces costs by decreasing the frequency of vehicle starts and stops, thus reducing wear and fuel consumption; Improved efficiency: The efficiency of ETC lanes can theoretically increase by 2-3 times, making traditional ETC more advanced, faster, and higher-tech. Compared to license plate payment, ETC technology is more mature and advantageous.
I remember helping a friend install an ETC device the other day, and he specifically chose a solar-powered model, which has been quite convenient to use. Solar-powered ETC devices can indeed charge themselves, as many newer models have built-in small solar panels. When the car is parked in sunlight, the device automatically absorbs energy to recharge the battery, avoiding frequent battery replacements. Without this feature, regular ETC devices rely solely on battery power or direct charging from the car's power source. I recommend checking the back of your ETC device for a solar panel icon or testing it outdoors on a sunny day to see if the indicator light turns on. Some older models may not support this feature and will require traditional charging methods, but solar-powered versions are quite common now—just make sure to clarify the type when installing. Overall, this design is hassle-free, eco-friendly, and reduces trips to the repair shop.
I was curious whether solar-powered ETC devices could recharge, so I specifically researched several products. The answer is some can, but not all. Solar-supported ETCs usually have a small panel attached to the windshield, converting natural light into electricity to extend the built-in battery's life. This charging method works efficiently on sunny days but performs poorly on cloudy days, while also preventing issues caused by premature battery depletion. If you're unsure whether your device has this feature, the simplest way is to check the manual or consult the installation point. I find this design quite practical, especially for long-distance driving, as it eliminates concerns about ETC power depletion and helps save on electricity costs while being more eco-friendly. However, most standard ETCs rely solely on batteries. If your device lacks a solar panel, don’t attempt to charge it by exposing it to sunlight, as this may damage components. Just pay attention to the type when choosing—many brands now offer solar-powered versions in the market.
