The HP-45 is a high-performance 12V Lithium Iron Phosphate (LiFePO4) battery designed to power demanding systems like car audio setups or race cars. Weighing just 14.8 lbs, it delivers a massive 10,000 watts in short bursts and 5,000 watts for continuous playback, with up to 7,000 watts when paired with a 200-amp alternator. With 45 Ah of energy storage (equivalent to 180 Ah PbEq), this compact battery provides long-lasting power and a maximum output of 4,100 amps for instant energy demands. Measuring 8.94 x 7.68 x 8.98 inches, it's ideal for in-cabin installations. Its superior performance includes quick recharging, minimal voltage drop, and resistance to shocks and vibrations. Note: Requires a lithium battery charger for optimal performance.