XS Power SB150-925L 150F 12V SuperBank Ultracapacitor
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Sharing the same 150 farad ultracapacitor specification as the SB150-975L but offered in a distinct mounting configuration, the XS Power SB150-925L 12V SuperBank gives installers another placement option for tight builds. Its flexible format means it can be positioned close to the amplifier rack or integrated into a custom battery box where a fixed-group enclosure would not fit, delivering its farad capacitor bank benefits exactly where they matter most: at the load. Transient current demand spikes at the amplifier, so that is where the capacitor bank should live.
For daily-driver enthusiasts who want to reduce headlight dimming and improve bass impact without committing to a full trunk battery bank build, the XS Power SB150-925L offers a lean, purpose-focused voltage stabilizer solution. Pair it with a quality AGM primary battery and a strong alternator to build a power system that handles your audio demands cleanly, without the voltage spikes and sag that degrade sound quality and stress amplifier power supplies.
Specifications
| Battery Type | Ultracapacitor |
| Volts | 15 |
| Included Hardware | M6 Hardware Included |
| Warranty | 1 Year — view warranty (PDF) |
| Instructions | Download instructions (PDF) |
| Farads | 150 |
| Max Power Rating | 1200 Watts |
| Operating Temperature | -40F-149F |
| Watt Hours (Wh) | 8.16Wh |
| Length (Inches) | 6.5 |
| Width (Inches) | 6.93 |
| Height (Inches) | 4.92 |
| Weight (lbs) | 3.5 |
| Weight (kg) | 1.59 |
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
