Capacitors are a fantastic solution for everyday electronics. From commercial use to custom-tailored solutions, capacitors aid in stabilizing voltage when you need it most. Capacitors are designed to deliver instant current based on the demand, which eliminates voltage sag when a load is applied. This means your voltage maintains stability for your electronics, allowing higher efficiency for your application.
SuperBANKS
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XS Power XS Power SB1500-75 12V BCI Group GC12 Super Capacitor Bank, Max Power 12,000W, 1,500 Farad
12V BCI Group GC12 Super Capacitor Bank, Max Power 12,000W, 1,500 Farad
$1,499.99
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XS Power XS Power SB860-31 16V BCI Group 31, Super Capacitor Bank, Max Power 8,000W, 860 Farad
16V BCI Group 31, Super Capacitor Bank, Max Power 8,000W, 860 Farad
$1,199.99
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XS Power XS Power SB1050-31 16V BCI Group 31 Super Capacitor Bank, Max Power 8,000W, 1050 Farad
16V BCI Group 31 Super Capacitor Bank, Max Power 8,000W, 1050 Farad
$1,099.99
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XS Power XS Power SB1260-27 12V BCI Group 27 Super Capacitor Bank, Max Power 10,000W, 1,260 Farad
12-Volt Super Capacitor Bank Group 27 Max Power: 10,000 Watts 1,260 Farads Ultra Lightweight M6 Terminal Hardware Included The XS SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect multiple cells together 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 SB1260 delivers a surge of power to the factory 12-volt battery as it cranks, then it rapidly recharges (usually in only a few seconds), ready to use again. The improved voltage conditions lead to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs. Ultracaps 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. 12V BCI Group 27 Super Capacitor Bank, Max Power 10,000W, 1,260 Farad
$999.99
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XS Power XS Power US1100-31 12V BCI Group 31 Super Capacitor Starting Module
12V BCI Group 31 Super Capacitor Starting Module, Peak 1,100A
$999.99
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XS Power XS Power SB1260-31 12V BCI Group 31 Super Capacitor Bank, Max Power 10,000W, 1,260 Farad
12-Volt Super Capacitor Bank Group 31 Max Power: 10,000 Watts 1,260 Farads Ultra Lightweight M6 Terminal Hardware Included The XS SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect multiple cells together 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 SB1260 delivers a surge of power to the factory 12-volt battery as it cranks, then it rapidly recharges (usually in only a few seconds), ready to use again. The improved voltage conditions lead to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs. Ultracaps 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. 12V BCI Group 31 Super Capacitor Bank, Max Power 10,000W, 1,260 Farad
$999.99
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XS Power XS Power SB1000-75 12V BCI Group GC12 Super Capacitor Bank, Max Power 8,000W, 1,000 Farad
12-Volt Super Capacitor Bank Group GC12 Max Power: 8,000 Watts 1,000 Farads Ultra Lightweight M6 Terminal Hardware Included The XS SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect multiple cells together 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 SB1000 delivers a surge of power to the factory 12-volt battery as it cranks, then it rapidly recharges (usually in only a few seconds), ready to use again. The improved voltage conditions lead to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs. Ultracaps 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. 12V BCI Group GC12 Super Capacitor Bank, Max Power 8,000W, 1,000 Farad
$999.99
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XS Power XS Power SB1000-27 12V BCI Group 27 Super Capacitor Bank, Max Power 8,000W, 1,000 Farad
12-Volt Super Capacitor Bank Group 27 Max Power: 8,000 Watts 1,000 Farads Ultra Lightweight M6 Terminal Hardware Included The XS SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect multiple cells together 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 SB1000 delivers a surge of power to the factory 12-volt battery as it cranks, then it rapidly recharges (usually in only a few seconds), ready to use again. The improved voltage conditions lead to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs. Ultracaps 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. 12V BCI Group 27 Super Capacitor Bank, Max Power 8,000W, 1,000 Farad
$999.99
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XS Power XS Power SB1000-31 12V BCI Group 31 Super Capacitor Bank, Max Power 8,000W, 1,000 Farad
12-Volt Super Capacitor Bank Group 31 Max Power: 8,000 Watts 1,000 Farads Ultra Lightweight M6 Terminal Hardware Included The XS SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect multiple cells together 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 SB1000 delivers a surge of power to the factory 12-volt battery as it cranks, then it rapidly recharges (usually in only a few seconds), ready to use again. The improved voltage conditions lead to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs. Ultracaps 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. 12V BCI Group 31 Super Capacitor Bank, Max Power 8,000W, 1,000 Farad
$999.99
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XS Power XS Power SB430-16 16V BCI Group 34 Super Capacitor Bank, Max Power 4,000W, 430 Farad
16V BCI Group 34 Super Capacitor Bank, Max Power 4,000W, 430 Farad
$559.99
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XS Power XS Power SB630-34 12V BCI Group 34 Super Capacitor Bank, Max Power 5,000W, 630 Farad
12-Volt Super Capacitor Bank Group 34 Max Power: 5,000 Watts 630 Farads Ultra Lightweight M6 Terminal Hardware Included The XS SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect multiple cells together 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 SB630 delivers a surge of power to the factory 12-volt battery as it cranks, then it rapidly recharges (usually in only a few seconds), ready to use again. The improved voltage conditions lead to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs. Ultracaps 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. 12V BCI Group 34 Super Capacitor Bank, Max Power 5,000W, 630 Farad
$499.99
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XS Power SB500-65 12V BCI Group 65, Super Capacitor Bank, Max Power 4,000W, 500 Farad
12-Volt SuperBank Ultracapacitor Group 65 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. 12V BCI Group 65, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99
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XS Power SB500-48 12V BCI Group 48, Super Capacitor Bank, Max Power 4,000W, 500 Farad
12-Volt SuperBank Ultracapacitor Group 48 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. 12V BCI Group 48, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99
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XS Power XS Power SB630-51R 12V BCI Group 51R Super Capacitor Bank, Max Power 5,000W, 630 Farad
12-Volt Super Capacitor Bank Group 51R (Reverse Terminals) Max Power: 5,000 Watts 630 Farads Ultra Lightweight M6 Terminal Hardware Included The XS SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect multiple cells together 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 SB630 delivers a surge of power to the factory 12-volt battery as it cranks, then it rapidly recharges (usually in only a few seconds), ready to use again. The improved voltage conditions lead to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs. Ultracaps 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. 12V BCI Group 51R Super Capacitor Bank, Max Power 5,000W, 630 Farad
$499.99
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XS Power SB500-4912V BCI Group 49, Super Capacitor Bank, Max Power 4,000W, 500 Farad
12-Volt SuperBank Ultracapacitor Group 49 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. 12V BCI Group 49, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99
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XS Power XS Power SB630-51 12V BCI Group 51 Super Capacitor Bank, Max Power 5,000W, 630 Farad
12-Volt Super Capacitor Bank Group 51 Max Power: 5,000 Watts 630 Farads Ultra Lightweight M6 Terminal Hardware Included The XS SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect multiple cells together 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 SB630 delivers a surge of power to the factory 12-volt battery as it cranks, then it rapidly recharges (usually in only a few seconds), ready to use again. The improved voltage conditions lead to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs. Ultracaps 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. 12V BCI Group 51 Super Capacitor Bank, Max Power 5,000W, 630 Farad
$499.99
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XS Power SB500-27 12V BCI Group 27, Super Capacitor Bank, Max Power 4,000W, 500 Farad
12-Volt SuperBank Ultracapacitor Group 27 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. 12V BCI Group 27, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99
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XS Power SB500-51R 12V BCI Group 51R, Super Capacitor Bank, Max Power 4,000W, 500 Farad
12-Volt SuperBank Ultracapacitor Bank Group 51R (Reverse Terminals) 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. 12V BCI Group 51R, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99
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XS Power XS Power SB630-1200 12V BCI Group 51 Super Capacitor Bank, Max Power 5,000W, 630 Farad
12-Volt Super Capacitor Bank Max Power: 5,000 Watts 630 Farads Ultra Lightweight M6 Terminal Hardware Included The XS SuperBANK is perfect for high-power car audio systems, engine starting systems, and more. Connect multiple cells together 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 SB630 delivers a surge of power to the factory 12-volt battery as it cranks, then it rapidly recharges (usually in only a few seconds), ready to use again. The improved voltage conditions lead to longer-lasting factory batteries, starters, relays, and engine control modules, improving reliability and lowering the likelihood of costly repairs. Ultracaps 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. 12V BCI Group 51 Super Capacitor Bank, Max Power 5,000W, 630 Farad
$499.99
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XS Power SB500-24 12V BCI Group 24, Super Capacitor Bank, Max Power 4,000W, 500 Farad
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. 12V BCI Group 24, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99
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XS Power SB500-34 12V BCI Group 34, Super Capacitor Bank, Max Power 4,000W, 500 Farad
12-Volt SuperBank Ultracapacitor Group 34 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. 12V BCI Group 34, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99
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XS Power SB500-34R 12V BCI Group 34R, Super Capacitor Bank, Max Power 4,000W, 500 Farad
12-Volt SuperBank Ultracapacitor Group 34R (Reverse Terminals) 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. 12V BCI Group 34R, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99
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XS Power SB500-51 12V BCI Group 51, Super Capacitor Bank, Max Power 4,000W, 500 Farad
12-Volt SuperBank Ultracapacitor Group 51 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. 12V BCI Group 51, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99
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XS Power SB500-47 12V BCI Group 47, Super Capacitor Bank, Max Power 4,000W, 500 Farad
12-Volt SuperBank Ultracapacitor Group 47 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. 12V BCI Group 47, Super Capacitor Bank, Max Power 4,000W, 500 Farad
$499.99