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XS Power xMAX 45

12-Volt Lithium Battery (LiFePO4) Burst SPL Wattage: 10,000 Standalone Wattage (Music): 5,000 Wattage (Music w/200A Alternator): 7,000 Amp Hours: 45 Max Amps: 4,100 Four Year Warranty 14.8 lbs. With 5,000 watts of continuous power on tap and 45 amp hours of energy storage, the ultra-lightweight xMAX 45 is perfect for high-performance audio systems, racing and more. It offers a superior power-to-weight ratio, high shock resistance, and minimal voltage sag —far better than traditional AGM batteries. Ideal for intense power demands, xMAX charges fast and stores tremendous energy. Made for in-cabin installations. Requires lithium battery charger . xMax batteries are not for marine installations. For marine rated batteries, see Lithium Pros. See battery specifications below. DESCRIPTION 12V Lithium xMax Battery Weight Lbs. – 14.8lbs Length – 8.94 in Height – 7.68 in Width – 8.98 in Wattage – 10,000 MAX Amps – 4,100 Energy Wh – 594 Ah – 45 Ah Pb Eq* – 180 Polarity – L 4 Year Warranty DOWNLOAD INSTRUCTIONS *Ah Pb Eq is the equivalent amp-hour when compared directly to AGM PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov
Compare Prices(1 retailer)
Car Audio BargainAuthorized Dealer
Out of stock
$699.99
Updated 11/10/2026
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Frequently Asked Questions

What is the XS Power xMAX 45?

The XS Power xMAX 45 is car audio equipment made by XS Power.

How much does the XS Power xMAX 45 cost?

See the recorded retailer prices in the "Where to Buy" section. Prices and availability can change; confirm both with the retailer before purchasing.

Where can I buy the XS Power xMAX 45?

The "Where to Buy" section lists retailers we have recorded carrying the XS Power xMAX 45. Check each listing's availability and confirm warranty coverage with the retailer.

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