The XS Power SB500-47 Super Capacitor Bank is a high-performance energy solution designed for demanding car audio systems and engine starting applications. With a maximum power output of 4000 watts, this ultra-lightweight capacitor bank ensures exceptional performance and reliability. Its rapid recharge capability delivers a surge of power to a 12-volt battery during engine cranking, reducing strain and extending the lifespan of batteries, starters, and engine control modules. Rated for over a million cycles, the capacitor offers unmatched durability, lasting over a decade—ideal for commercial vehicles and daily drivers. Operating efficiently in extreme temperatures, it reliably supports AGM batteries during harsh winters. Weighing just 11 lbs and featuring compact dimensions, the SB500-47 easily integrates into various setups without adding excess weight or bulk. Whether for high-power car audio systems or dependable engine starting, the XS Power SB500-47 is the ultimate power solution for automotive enthusiasts and professionals. 𝐏𝐑𝐎𝐃𝐔𝐂𝐓 𝐅𝐄𝐀𝐓𝐔𝐑𝐄𝐒: Maximum power output of 4000 watts for peak performance Rapid recharge delivers energy bursts in seconds Extends battery and engine module lifespan with stable voltage Rated for over 1 million cycles for exceptional durability Designed to last over a decade for long-term reliability Operates efficiently in extreme hot or cold climates Ideal for AGM batteries in demanding winter conditions Compact design for easy integration into setups Ultra-lightweight at just 11 lbs for portability and flexibility Perfect for high-power car audio and engine-starting systems