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Home/Equipment/Batteries/Sundown Audio/SA150-975L Super Capacitor Battery
Sundown Audio SA150-975L Super Capacitor Battery - 12V, AGM chemistry, M6 terminals - Grey case, white top, top-mount terminals, hexagonal pattern design, Sundown Audio branding
Sundown Audio/Battery

SA150-975L Super Capacitor Battery

Sundown Audio SA150-975 Ultracapacitor • Supports up to 1,200-watt audio systems • 3,000 max amp output • Extends battery and alternator life • Used to support “main” AGM/Lithium battery • No standalone charging necessary • Keeps stereo playing even with start/stop equipped vehicles • Huge cold-cranking power • M6 terminal hardware included Boost your bass with the Sundown Audio SA150 Ultracapacitor! A single ultra-powerful hybrid capacitor supports up to a 1,200-watt stereo system. Designed to deliver huge bursts of power, the SA150 Ultracap (aka “Supercapacitor) doles out up to 3,000 amps of current in fractions of a second. The SA150 is perfect for handling intense bursts of energy, like deep bass drops or sudden bursts of volume in your music. The SA150-975 integrates seamlessly with your existing AGM or Lithium battery without needing separate charging. It’s safe to use even at low voltages, ensuring reliable operation in all conditions. When connected to your existing battery, Ultracaps improve the performance of your audio system, while extending the life of your battery and alternator by reducing wear and tear. Plus, it keeps your audio system running smoothly, even in vehicles with start/stop features. With included M6 terminal hardware for easy installation, this ultracapacitor is a great upgrade for any serious car audio enthusiast looking to maximize system performance. TECHNICAL INFORMATION Weight Lbs .– 4 Weight Kgs – 1.82 Length – 7.83 in Height – 6.68 in Width – 5.3 in 1 Year Warranty DOWNLOAD INSTRUCTIONS PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov
Used in 0 builds
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Specifications

brand
Sundown Audio
model
SA150-975L
voltage
12
chemistry
agm
terminal type
m6
Compare Prices(4 retailers)
Sparked Innovations
Sparked InnovationsBest Price
Available
$299.99
Updated 4/5/2026
S
Sparked InnovationsBest Price
Available
$299.99
Updated 4/5/2026
B
Big Jeff Online AudioBest Price
Available
$299.99
$374.99Save 20%
Updated 3/31/2026
D
Down4Sound
Available
$399.99
Updated 3/21/2026
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Frequently Asked Questions

What is the Sundown Audio SA150-975L Super Capacitor Battery?

The Sundown Audio SA150-975L Super Capacitor Battery is a car audio equipment made by Sundown Audio. View full specifications and where to buy on this page.

How much does the Sundown Audio SA150-975L Super Capacitor Battery cost?

The Sundown Audio SA150-975L Super Capacitor Battery typically sells for $240 to $400 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the Sundown Audio SA150-975L Super Capacitor Battery?

You can purchase the Sundown Audio SA150-975L Super Capacitor Battery from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.

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