- 12-Volt SuperBank Ultracapacitor
- Group 24
- Max Power: 4,000 Watts
- Voltage Range: 12.0 – 16.2
- 500 Farads
- 11 lbs.
- M6 Terminal Hardware Included
The XS Power SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect in parallel with any lithium or AGM battery to make a customized power pack, delivering the perfect amount of energy on demand so your amps, battery, or engine gets every bit of power they need—whenever they need it.
The SB500 delivers a surge of power to the factory 12-volt battery as it cranks, then rapidly recharges (usually in only a few seconds), ready to use again. The improved and stabilized voltage leads to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs.
Ultracaps (aka Supercapacitors) also work extraordinarily well in extreme hot or cold. In winter, the Ultracap delivers a much-needed burst of energy to vehicles using a typically slow-cranking AGM battery. Rated to more than a million cycles, the Ultracap is designed to work well in commercial vehicles or “daily drivers”, normally lasting more than a decade.
See specifications below.
DESCRIPTION

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
Specifications | |
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BCI Group Size Industry Standard Sizing
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Volts Voltage Capability Of Battery
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Included Hardware Included Hardware - Posts or Terminals Included If Applicable
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Warranty |
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Instructions |
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Farads |
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Max Power Rating |
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Operating Temperature |
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CCA |
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Watt Hours (Wh) |
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Dimensions | |
Length (Inches) Length Of Battery In Inches
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Width (Inches) Width of Battery In Inches
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Height (Inches) Height of Battery In Inches
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Weight (lbs) Weight of Battery in Pounds
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Weight (kg) Weight of Battery in Kilograms
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Return Policy & Warranty Request
- RETURNS & EXCHANGES: For items purchased online, returns and exchanges are accepted within 30 days of the delivery date (unless purchased B-Stock). To initiate a return or exchange, please fill out the form below to receive a return authorization (RMA) number. Be sure to include the item’s order number and your reason for the return or exchange. Returns or exchanges that are shipped without authorization may not be accepted. Please allow up to 10 business days for your refund to be processed once we receive your return or exchange.
- Return Shipping: Return authorization for items shipped in error, or items being returned/exchanged because they are defective or damaged, will include a pre-paid shipping label. Return shipping on items that are being returned/exchange for other reasons will be paid for by the customer.
- Eligible Items: The following items: Clearance items, final sale items, special-order items, custom products and gift cards are not eligible for return/exchange. We reserve the right to refuse any return/exchange, at management’s discretion, if the item being returned/exchanged does not meet the criteria set forth within this policy.
- Condition Of Items: Except for items that were damaged when purchased, items may be “open box” but must be unused, undamaged, and complete with all original packaging.
- Form of Payment: Refunds, if issued, will be issued in the original form of payment minus shipping and handling fees unless otherwise stated. If the original form of payment is unavailable, store credit may be issued at our discretion.
- Restocking Fee: Except for items that are returned/exchanged for being damaged or defective, to cover the cost of inspecting, repackaging, and restocking certain items, a restocking fee of 15% (or the maximum amount permitted by law, whichever is less) may be assessed for any and all returned items. The restocking fee (if charged) will be deducted from the refund amount, if any, where permitted by state law.
- Other Terms and Conditions: In the event you feel your item falls within our warranty terms and has a manufacturer defect, please fill out the RMA form below.
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WARRANTY CLAIMS WILL NOT BE ACCEPTED if the battery is:
- Swollen
- Damaged
- Purchased from an unauthorized seller (click here and select Buyer Beware)
If you have any questions about this return policy, please contact us at frontdesk@xspowerbatteries.com