Image of a rectangular XS Power xMax-90 battery from the xMax Series. This 12V lithium battery features a textured black and gray design with a white top, highlighting branding and specifications. Included alongside this compact BCI Group 31 powerhouse is a set of screws.
Front view of the XS Power xMax-90 12V lithium battery from the xMax Series, featuring 90Ah advanced lithium iron phosphate technology. The BCI Group 31 design showcases a carbon fiber pattern with distinctive branding and labels.
The image showcases an XS Power xMax-90 12V Lithium battery from the xMax Series. This standout product features a sleek black woven pattern adorned with the XS Power logo, highlighting its advanced design.
The XS Power xMax-90 12V Lithium Battery, part of the xMax Series by XS Power, is a rectangular black battery with a geometric pattern on the front and a white top. It prominently features an embossed logo with the letters XS and the words Power Batteries, highlighting its role in the 12V Lithium Batteries lineup.
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Image of a rectangular XS Power xMax-90 battery from the xMax Series. This 12V lithium battery features a textured black and gray design with a white top, highlighting branding and specifications. Included alongside this compact BCI Group 31 powerhouse is a set of screws.Front view of the XS Power xMax-90 12V lithium battery from the xMax Series, featuring 90Ah advanced lithium iron phosphate technology. The BCI Group 31 design showcases a carbon fiber pattern with distinctive branding and labels.The image showcases an XS Power xMax-90 12V Lithium battery from the xMax Series. This standout product features a sleek black woven pattern adorned with the XS Power logo, highlighting its advanced design.The XS Power xMax-90 12V Lithium Battery, part of the xMax Series by XS Power, is a rectangular black battery with a geometric pattern on the front and a white top. It prominently features an embossed logo with the letters XS and the words Power Batteries, highlighting its role in the 12V Lithium Batteries lineup.

XS Power xMax-90 12V Lithium xMax Series Batteries XMAX90

XS PowerSKU: xMax 90
Price:
$1,099.99
Stock:
Sold out

Description

  • 12-Volt Lithium Battery (LiFePO4)
  • Group 31
  • Burst SPL Wattage: 20,000
  • Standalone Wattage (Music): 10,000
  • Wattage (Music w/200A Alternator): 13,000
  • Amp Hours: 90
  • Max Amps: 8,300
  • Four Year Warranty
  • 26.9 lbs.

With an incredible 10,000 watts of continuous power on tap and 90 amp hours of energy storage, the ultra-lightweight xMAX 90 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 under load—far better than traditional AGM batteries. Ideal for intense power demands, the xMAX charges fast and stores tremendous energy. Made for in-cabin installations.

Requires lithium battery charger.

See battery specifications below.

DESCRIPTION

12V Lithium xMax Battery

Weight Lbs. – 26.90 lb

Length – 15.28 in
Height – 9.25 in
Width – 11.50 in

Wattage – 20,000
MAX Amps – 8,300
Energy Wh – 1,188
Ah – 90
Ah Pb Eq* – 360
Polarity – L/R
BCI Group – 31

4 Year Warranty 

DOWNLOAD INSTRUCTIONS

Discover the Burst/SPL Ratings table highlighting top audio systems. Featuring XS Power models—xIMAX45, xMax-67 Lithium XMAX67, xIMAX90DIY, and xIMAX135—these systems offer amps and watts powered by ultra-lightweight 12-volt lithium batteries for peak performance.

The chart, Musical Rating for XS Powers xMax-90 12V Lithium Battery, showcases four categories: Standalone (10kW), 200A Alt (13kW), 300A Alt (14kW), and 400A Alt (15kW), emphasizing their power-to-weight ratio in high-performance audio systems.

*Ah Pb Eq is the equivalent amp-hour when compared directly to AGM

A cautionary yellow triangular sign with a black border and an exclamation mark in the center signifies attention, particularly important when managing the XS Power xMax-67 12V Lithium xMax Series Batteries XMAX67 to ensure safety.

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

Specifications

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