This article details the extensive modifications made to a 2013 Chevy Volt over its 140,000-mile lifespan. The owner's ingenuity has transformed this already fuel-efficient vehicle into a highly customized and remarkably versatile platform, exceeding its original design limitations. From solar panel integration to a substantial auxiliary battery system, the upgrades discussed offer a comprehensive look at how aftermarket modifications can enhance both range and functionality.This 140,000-mile review explores the practical application of these modifications, providing detailed insights into their performance and reliability. Learn how a solar panel array supplements the car's power, how a custom 48V battery pack enables extended range and mobile charging, and how other enhancements, including upgraded lighting and powerful USB-C charging, contribute to the car's overall usability and efficiency. This article offers a compelling case study for anyone interested in extending the life and capabilities of their electric vehicle.
Pros And Cons
- Held up well after many miles and years of use.
- Gets good gas mileage (75 mpg average).
- 45-50 miles of range depending on driving style and season.
- Doesn't lose much range in winter due to the generator.
- Backup camera doesn't work.
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Solar Panel Integration
I installed 200 watts of flexible solar panels on the roof of my 2013 Chevy Volt. These panels are mounted where the antenna used to be and are currently charging the car's battery. This modification has been in place for almost a year, and I'm quite pleased with its performance in supplementing the car's power supply.
Interior Enhancements & Features
The interior of my Volt has held up remarkably well considering its age and mileage. I added a retractable sunshade to protect the electronics from excessive heat. This is particularly beneficial given the car's solar panel setup, which makes it more susceptible to temperature fluctuations. This sunshade greatly reduces the internal heat build-up.
I've also added kick guards and a dashcam with a 5V voltage step-down regulator, seamlessly integrated into the vehicle's electrical system.
Range and Performance
The Chevy Volt consistently delivers impressive fuel economy, averaging around 75 miles per gallon equivalent (MPGe). The electric range varies based on driving style and weather conditions, typically between 45 and 50 miles. Even in winter, range loss is minimal thanks to the efficient generator.
Currently, the car indicates 36 miles of range remaining with only 20% battery usage.
Auxiliary Battery System
I've constructed a substantial auxiliary battery system using a 48V (16S) LifePO4 battery pack comprised of 280 amp-hour cells. This pack connects to a 6.2 kW inverter, enabling both AC charging and AC output. This allows for destination charging using a J1772 adapter.
The EVSE connects to the auxiliary battery system, acting as a mobile charger wherever I go. The whole system is safely tucked away in the back and is easily activated via a manual switch.
Charging Capabilities and Pass-Through Charging
The system supports pass-through charging, allowing simultaneous charging of both the car's battery and the auxiliary battery pack from a single EV charger, achieving a maximum charging rate of approximately 7.5 kW. This system allows me to fully utilize the car's onboard charger and charge the auxiliary battery at up to 90 amps (around 5.5 kW).
The auxiliary battery bank has more than enough capacity to fully charge the car's battery. This allows me to store free electricity and use it at a later time.
Solar Panel Wiring and LTO Battery
The solar panels are wired in parallel and run through the antenna penetration. The wiring goes down through the C-pillar, into a compartment, and finally into the undertray where the AGM battery used to be. This allowed me to replace the heavy AGM battery with a 15.8V LTO battery.
The LTO battery is easily removable using beefy Anderson connectors and is currently bungeed in place using a cargo net. This battery remains well-balanced and has been used almost daily for over a year.
Additional Modifications and Accessories
I've also upgraded the headlights to color-changing LEDs, providing improved visibility and fog light functionality. I've added 100-watt USB-C adapters for charging various devices, as well as a radar detector, jump starter, and various cables. The USB-C outputs are extremely efficient, providing up to 100 watts of power.
These upgrades enhance convenience and overall vehicle functionality while maintaining a high level of efficiency.
Conclusion and Overall Assessment
My 2013 Chevy Volt, with over 140,000 miles, has proven to be incredibly reliable and fuel-efficient. The various modifications, including the solar panel integration and auxiliary battery system, have further enhanced its practicality and capabilities. The car's thermal management system is a key factor in the longevity of the high-voltage battery, which has performed exceptionally well with minimal degradation despite many cycles.
The ability to extend range using solar power and a supplemental battery pack adds a unique and valuable aspect to the Volt. While there are challenges involved in integrating these systems, the outcome is a significant improvement to both range and the functionality of the vehicle. While the modifications described require significant effort and technical understanding, the results have transformed my Chevy Volt into a highly personalized and effective vehicle. The improvements in range and efficiency are truly remarkable. The Chevy Volt remains an excellent vehicle, especially with these enhancements.