XS Power SB500-24 Super Capacitor Bank with M6 Terminal Hardware - 12 Volt 4000W 500 Farads UltraCapacitor for High-Power Car Audio Systems Or Engine Starting - 11 lbs, Ultra Lightweight

XS Power SB500-24 Super Cap Battery/Powercell

• POWER YOU CAN COUNT ON: XS Power super capacitor bank delivers up to 4,000 watts of surge power with a voltage range of 12.0–16.2V. Ideal for high-performance car audio systems, engine starting, and other power-hungry 12V setups. It provides instant, stable energy to prevent voltage drops during peak demand.
• ALWAYS READY, FAST RECHARGE: Recharges in just seconds after delivering a high-powered burst. This ultracapacitor stays on standby, ready to support your system repeatedly without interruption—perfect for systems with frequent start-stop cycles or dynamic power loads.
• LOWER STRAIN, LONGER LIFE: Reduces electrical stress on your battery and components by stabilizing voltage during cranking and power surges. Helps extend the lifespan of starters, relays, batteries, and sensitive electronics, minimizing repair costs over time.
• RELIABLE IN ANY CLIMATE: Designed to perform in both extreme cold and intense heat. Whether you're in sub-zero winters or desert summers, this unit ensures your engine starts and systems power up consistently when traditional batteries might struggle.
• COMPACT, LIGHTWEIGHT, EASY SETUP: Weighs only 11 lbs and fits standard Group 24 dimensions (10.24" L × 8.31" H × 6.65" W), making it ideal for tight installations. Includes M6 terminal hardware and integrates seamlessly with AGM or lithium battery systems for quick, hassle-free setup.