XS Power SB500-51R 500F 12V SuperBank Ultracapacitor
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Compact Group 51R fitment makes the XS Power SB500-51R 12V SuperBank one of the most sought-after ultracapacitor options for the import car audio market, where tight engine bays and reverse-terminal battery orientations are the norm. With 500 farads of high current capacitor reserve on tap, the SB500-51R delivers instant current to your amplifiers the moment transient demand spikes, preventing voltage sag before it can rob your system of dynamics. Stop headlight dimming, tighten up bass punch, and free your amplifiers to perform as designed.
The XS Power SB500-51R shines in front-engine import builds where factory engineers specified a Group 51R battery and aftermarket builders want an upgrade without relocating to the trunk. Its farad capacitor bank architecture makes it a genuinely superior alternative to the old stiffening power cap approach, giving you more capacitance, a better footprint, and the XS Power engineering that has dominated the SPL capacitor bank category for years.
Specifications
| Battery Type | Ultracapacitor |
| BCI Group Size | Group 51R |
| Volts | 16.2 |
| Included Hardware | M6 Hardware Included |
| Warranty | 5 Year — view warranty (PDF) |
| Instructions | Download instructions (PDF) |
| Farads | 500 |
| Max Power Rating | 4000 Watts |
| Operating Temperature | -40F-149F |
| Watt Hours (Wh) | 18.2Wh |
| Length (Inches) | 9.04 |
| Width (Inches) | 5.43 |
| Height (Inches) | 8.19 |
| Weight (lbs) | 11 |
| Weight (kg) | 4.98 |
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
