XS Power SB500-24 500F 12V SuperBank Ultracapacitor
Many in-stock orders ship within 1-2 business days, but timing varies by item. Custom, built-to-order, oversized, special-order and supplier-direct products may need extra processing time. Free shipping applies to qualifying orders over $99 in the contiguous US. Approved returns may be subject to a restocking fee.
Most products are covered by the manufacturer's warranty against defects. Damage from over-powering or improper installation isn't covered — we'll help coordinate any valid claim.
Tell us your vehicle, subwoofers and electrical setup and our team will help you match the right gear. Reach out before you buy.
Group 24 battery slots are found across a wide range of RVs, marine vessels, and larger passenger vehicles, and the XS Power SB500-24 12V SuperBank finally gives those platforms a proper car audio capacitor upgrade path. With 500 farads of ultracapacitor capacity, the SB500-24 acts as a fast-reacting voltage stabilizer that suppresses the voltage sag that heavy audio loads create during transient peaks. Sound quality and SPL both benefit when the amplifiers are receiving consistent, sag-free voltage.
Whether the vehicle is a dedicated marine audio build, a show car on a daily-driven chassis, or a powersports platform with serious sound ambitions, the XS Power SB500-24 delivers high current capacitor performance in a form factor that drops right in. Paired with a quality AGM battery and a high-output alternator, this farad capacitor bank completes a power trifecta that can handle virtually any amplifier load without complaint.
Specifications
| Type | 12-Volt SuperBank Ultracapacitor |
| Group Size | Group 24 |
| Max Power | 4,000 Watts |
| Voltage Range | 12.0 – 16.2 |
| Capacitance | 500 Farads |
| Weight | 11 lbs. |
| Terminal Hardware | M6 Terminal Hardware Included |
Authorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.
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
