Comes with everything you need to replace your incredibly heavy, OEM battery with a lightweight battery and relocate it to the trunk of your B6-B7 S4 or A4!
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The LITHIUM US is a versatile, microprocessor-controlled charger designed for recharging and maintaining Lithium-Iron (LiFePO4) batteries, featuring automatic operation, and multiple safety protections.
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X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 6.5 and diesel engines up to 4.0L.
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Brand:
ES#:
4389648
Mfg#:
GBX45
Ships in 8 Business Days
22% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$159.99
This product was last offered at the strikethrough price on 06-20-2026
The PRO25SE is an innovative, versatile, and highly efficient 25A battery charger and power supply.
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Similar to the G15000, just more powerful. With the greatest performance and functionality yet, it's a world-class battery charger to let professionals push the limits at incredible charging speeds.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4346391
Mfg#:
GENIUSPRO25
Ships in 8 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$749.99
This product was last offered at the strikethrough price on 06-20-2026
With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.
Lifetime Replacement
