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SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R - Specs, Prices & Reviews | XS Power Capacitor

Home/Equipment/Capacitors/XS Power/SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R

XS Power/Capacitor

SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R

Name: SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R
Brand: XS Power
Price: 499.99 USD
Availability: InStock

The SB500-51R by XS Power is a 16.2 volt, Group 51R 12V SuperBank capacitor module made up of supercapacitors (aka supercaps, goldcaps, or ultracaps) with a maximum current capacity of 10000A. Watt hours are rated at 18.20Wh, total capacitance is 500F, and rated wattage is 4000W. This battery’s polarity orientation is R. NOTE: If using a stator or alternator to charge, 12 volt models must be charged between 13.8 and 14.0 volts. 16 volt models must be charged between 17.25 and 17.5 volts.

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Specifications

voltage rating

specs synced at

2025-12-15T06:13:27.674Z

specs synced from

capacitor_specs

capacitance farads

500

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Out of Stock• available

$499.99

Updated 1/16/2026

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Frequently Asked Questions

What is the XS Power SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R?

The XS Power SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R is a car audio capacitor made by XS Power. View full specifications and where to buy on this page.

How much does the XS Power SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R cost?

The XS Power SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R typically sells for around $500 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the XS Power SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R?

You can purchase the XS Power SB500-51R XS Power 500F SuperBank 12V Ultracapacitors Group 51R 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.