Check the listing for details. JY PWR NXT 2kF 2000 Farad Hybrid Capacitor. Condition: New. Listed at 379.99 USD. Tiny Cap With Tons of Power!!A single NXT-2KF supports up to a 2,000 watt system in conjunction with your stock electrical, and delivers 400% more capacity than a 3,000 farad super-capacitor bank(6s), and in a smaller space.LIC Capacitor bankHigh-Speed Charge/Recharge1,000W-2,000W amplifier supportDesigned and Manufactured in the USAAccepts up to 4 AWG Power TerminalReplaces Batteries 30-40 lbs HeavierTypically Outputs Over 13.5v During OperationLasts Two to Three Times as Long as Typical Lithium Battery (30,000-50,000 cycles)Wide Operating Voltage Range From 8-16v2 year Manufacturer Defect Warranty Factory Battery SaverLasting up to a decade and weighing in at 1.3lbs, the 2KF gives your audio system the power it needs, so your factory battery can do what it’s best at: powering your vehicle.