XS Power SB75-680L 12V Super Capacitor Bank, 600W Max Power, 75 Farad
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What's Inside?
- • XS Power Battery
- • (2) M6 x 16 mm hex-head screws
- • (2) Lock-washers
- • (2) Flat-washers
- • Warranty card
- • Owner's Manual
75F 12V SuperBANK – 1,500A Compact Power Boost
Give your electrical system a fast burst of dependable power with this XS Power 12V Super Capacitor Bank. With 75F capacitance, 1,500A maximum current, and 600W maximum power, its compact design is ideal for demanding automotive applications where space and quick energy delivery matter.
Frequently Asked Questions (FAQ)
- • Why does my SB75-680L need to be charged before connecting it?
A supercapacitor bank should not be connected to a vehicle electrical system while completely uncharged because the initial current surge can be extremely high. Users working with XS Power SuperBanks emphasize controlled pre-charging before making the final connection.
- • Can the SB75-680L replace my car battery?
No. The SB75-680L is designed to provide short-duration power support, not the stored-energy capacity of a conventional starting or deep-cycle battery. Its specifications are 75F, 600W maximum power, and 4.08Wh, so it works best as supplemental electrical support.
- • Why does the voltage on my SB75-680L change so quickly?
Unlike a battery, a supercapacitor's voltage can change rapidly as it charges and releases energy. The SB75-680L operates across a 12.0–15V range, so seeing its voltage move with the electrical load is not necessarily a sign of failure.
- • Will the SB75-680L actually stop amplifier voltage dips?
It can help absorb short-duration current peaks, but it cannot compensate for a charging system that is consistently undersized. An owner using an XS Power SuperBank with multiple amplifiers reported that the voltage at the amplifiers remained stable around 14.5V, illustrating how a capacitor can help with transient demand when the rest of the electrical system is properly configured.
- • Why does my audio system still lose voltage after installing the SB75-680L?
A supercapacitor only has 4.08Wh of energy storage, so it is intended for brief bursts rather than continuous high-current operation. If voltage remains low during sustained amplifier output, the alternator, battery, wiring, or overall system capacity should be investigated instead of expecting the capacitor to supply the entire load.
- • Is the SB75-680L difficult to install for someone new to car audio?
It can be. Proper pre-charging, polarity identification, secure mounting, cable sizing, and circuit protection are important. Product information aimed at consumers specifically notes that installation can be more complicated for inexperienced DIY users.
- • Can I install the SB75-680L in a very tight location?
Its compact 7.13 × 3.03 × 6.57-inch size and approximately 2.5-pound weight make it easier to position than a conventional auxiliary battery. However, the mounting location still needs to protect the unit from physical damage and provide secure electrical connections.
- • What happens if my alternator charges above 15 volts?
The SB75-680L's listed operating range is 12.0–15V, so an electrical system exceeding that range should be corrected rather than assuming the SuperBank can tolerate the extra voltage indefinitely. JEGS also notes that 12V XS Power models should be charged within a specified voltage range when using a stator or alternator.
- • Does the SB75-680L work better with a battery than by itself?
Yes. Its role is generally to complement the vehicle's battery and charging system by supplying rapid bursts of current. Current product reviews describe the SB75-680L as a useful addition to an audio setup and as an auxiliary power source rather than a standalone replacement battery.
- • Why does my SB75-680L seem powerful even though it weighs only 2.5 pounds?
The SuperBank is designed for extremely rapid current delivery rather than large energy storage. The SB75-680L is rated at up to 1,500 amps and 600W maximum power despite weighing only about 2.5 pounds, which explains why it can respond quickly to short electrical peaks without the bulk of a conventional battery.
- Capacitance : 75 Farad
- Digital Monitor : No
Features:
- Operating Voltage: 12.0V - 15V
- Operating Temperature: -40 - 150
- Max Power: 600W
- Max Amps: 1,500A
- Watt Hours : 4.08Wh
- Farads : 75F
- CA(5s) : 330A
- CCA(5s) : 290A
- ESR(m0hms) : 0.015
- Weight Lbs. : 2.5
- Weight Kgs. : 1.13
- Length : 7.13 in
- Height : 6.57 in
- Width : 3.03 in
- UPC: 692209053712
- Weight: 15
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
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Great addition to my vehicle’s audio setup.
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Excellent power source. Perfect option for an auxiliary battery.
