KellTrac Lightweight Lithium Battery Kit, Stock Location (KTI-LBK15SL-MUST) - 2015-2026 Ford Mustang
Reduce weight without sacrificing starting power with the KellTrac Lightweight Lithium Battery Kit for the 2015-2026 Ford Mustang. Designed as a true direct-fit replacement for the factory battery, this premium kit combines KellTrac's purpose-built mounting system with XS Power lithium battery technology to deliver exceptional performance in a compact, lightweight package. Whether you're building a drag car or simply looking to shed unnecessary weight, this battery kit offers an easy, reliable upgrade that installs in the factory battery location.
Developed after more than a decade of real-world testing in both daily-driven and race-prepared Mustangs, KellTrac partnered with XS Power to create a lightweight battery solution that eliminates many of the reliability concerns associated with other lithium battery options. Based on the XS Power PWR-S5 platform and paired with custom in-house mounting brackets, this kit weighs just 8.75 pounds fully assembled while providing impressive cranking power. Best of all, it fits beneath the factory battery cover for a clean, OEM-style appearance and is backed by XS Power's 4-year warranty.
Features
- Designed for 2015-2026 Ford Mustang S550 and S650 models
- Direct-fit lightweight lithium battery kit for the factory battery location
- Based on the XS Power PWR-S5 battery platform
- Exclusive KellTrac mounting system engineered for a stock-location installation
- Custom in-house fabricated mounting brackets
- Includes brass battery post adapters
- Fits underneath the factory battery cover
- Weighs only 8.75 pounds fully assembled with mounts and terminals
- Saves more than 20 pounds compared to the factory battery
- Exceptional power-to-weight ratio
- Simple installation with all required mounting hardware included
- Backed by an XS Power 4-Year Warranty
Specifications
- Voltage: 12V
- Maximum Amps: 2000
- Cranking Amps: 1000
- CA Pb Equivalent: 1500
- Amp Hours: 20Ah
- Pb Equivalent Capacity: 60Ah
- Energy Capacity: 120Wh
- Dimensions: 8.00" L x 6.50" W x 7.00" H
- Weight: 8.75 lbs
Fitment
- 2015 Ford Mustang
- 2016 Ford Mustang
- 2017 Ford Mustang
- 2018 Ford Mustang
- 2019 Ford Mustang
- 2020 Ford Mustang
- 2021 Ford Mustang
- 2022 Ford Mustang
- 2023 Ford Mustang
- 2024 Ford Mustang
- 2025 Ford Mustang
- 2026 Ford Mustang
Additional Notes
- Installs in the factory battery location using the included KellTrac mounting system.
- Fits under the factory battery cover for a clean OEM-style appearance.
- Backed by the XS Power 4-Year Warranty.
- Designed for enthusiasts looking to maximize weight savings while maintaining excellent starting performance.
Kelltrac Terms Of Service
Kelly considers his Kelltrac line to be a specialty line for a unique customer base and has his own terms of service in addition to Beefcake Racing's. You must accept these terms on all Kelltrac orders. Please read shipping times, cancellation, and returns. If time is of the essence, we do have other options that can ship right away / quicker. Just reach out to one of our sales associates at Beefcake Racing.
Cancellations & Returns
KellTrac Innovations does not accept product returns. Once your order ships, you own it and we will not accept it back - NO EXCEPTIONS. We do not accept order cancellations after the product has shipped. If you understand and accept this please check the box and continue checking out. If you do not accept this, please stop and discontinue the order process. Thanks!
Due to the custom nature of our business and product offerings, we charge a 20% order cancellation fee, period, non-negotiable, no matter who you are. Orders can only be cancelled before the product ships. We do not accept order cancellations after the product has shipped. If you understand and accept this please check the box and continue checking out. If you do not accept this, please stop and discontinue the order process. Thanks!
Leadtime
Please be aware that most orders ship within 2-4 weeks. In some (rare) cases, orders can take up to 6-8 weeks to ship. Holidays can severely impact these lead times. *DO NOT CONTACT US ABOUT YOUR ORDER UNLESS IT IS OLDER THAN 20 BUSINESS DAYS!* If you understand and accept this please check the box and continue checking out. If you do not accept this, please stop and discontinue the order process. Thanks!
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
