Feather-Lite - Lithium Battery - 12 Volt

FL-S1290 / FL-S1290B Sportsman Series 12V Lithium Battery – 600 Cranking Amps, 7–8 lbs

The FL-S1290 and FL-S1290B Sportsman Series 12-volt lithium-ion batteries are built for racers seeking maximum performance without breaking the bank. These batteries offer massive cranking power, a compact footprint, and rugged dependability across all forms of racing—from the drag strip to the oval and road course.

Weighing just 7 to 8 pounds, they deliver up to 600 cranking amps and 90 amp-hour (SLA equivalent) capacity. These batteries utilize the same trusted lithium technology found in the elite Carbon Series, but at a more affordable price point.

• GM 602 / 604 / 525 crate engine-powered oval track cars
• Stock and Stock Eliminator class drag cars
• Factory-level road course vehicles

• FL-S1290 – For engines without alternators
• FL-S1290B – For engines with alternators

• Voltage: 13.2V
• Cranking Amps: 600
• Cold Cranking Amps: 450
• Amp Hour Capacity: 29Ah (90Ah lead acid equivalent)
• Dimensions: 6.5” L x 4.9” W x 6.9” H
• Weight: 7 lbs (FL-S1290) / 8 lbs (FL-S1290B)

Lightweight, powerful, and race-proven—the FL-S1290 Series is the smart battery upgrade for racers who demand performance and value.