XS Power xMAX 90 12V LiFePO4 Lithium Car Audio Battery - 90Ah, 10,000W Music, 20,000W Burst, Group 31
The XS Power xMAX 90 is a Group 31, 12-volt LiFePO4 lithium battery with 90 amp hours of storage. As a standalone battery it supports 10,000 watts of continuous music power, 13,000 watts with a 200A alternator, and up to 20,000 watts burst SPL.
At 26.9 lbs it offers a strong power-to-weight ratio, high shock resistance and minimal voltage sag under load compared with traditional AGM batteries. It charges fast and can deliver up to 8,300 amps.
The xMAX 90 is made for in-cabin installation and is not for marine use. A lithium battery charger is required.
HIGHLIGHTS:
- Group 31, 12V LiFePO4 chemistry
- 90 Ah capacity, 8,300 max amps
- 10,000W standalone music wattage, 13,000W with a 200A alternator
- 20,000W burst SPL wattage
- 26.9 lbs, made for in-cabin installs
- Four-year warranty
GREAT FOR:
- Large high-power audio systems
- Racing and weight-conscious builds
- Replacing a Group 31 AGM battery
SPECIFICATIONS:
| SERIES | xMAX |
| VOLTAGE | 12V |
| CHEMISTRY | LiFePO4 |
| GROUP SIZE | 31 |
| AMP HOURS | 90 Ah |
| MAX AMPS | 8,300 |
| STANDALONE WATTAGE (MUSIC) | 10,000 Watts |
| WATTAGE W/ 200A ALTERNATOR | 13,000 Watts |
| BURST SPL WATTAGE | 20,000 Watts |
| WEIGHT | 26.9 lbs |
| CHARGER | Lithium battery charger required |
| INSTALLATION | In-cabin; not for marine use |
| WARRANTY | 4 Years |
| SOLD AS | Each |
| BRAND | XS Power |
Free shipping is available within the 48 U.S. states. Orders placed before 11 PM ET are typically processed the next business day and arrive within 5–8 business days. Tracking information will be provided as soon as your order ships.
Need to make a change to your order? Contact us within 24 hours of purchase, and we'll be happy to help. Please note that orders already processed for shipment cannot be canceled.
1-Year Limited Warranty: As an authorized dealer, we provide a 1-year limited warranty covering manufacturer defects in materials and workmanship under normal use. The warranty does not cover physical damage, misuse, improper installation, or normal wear and tear.
Customer Support : 9:00 am to 5:00 pm
Email: info@eliteautogear.com
For technical support questions, contact us at cs@eliteautogear.com
Phone: (877)-215-8187
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Electrical That Keeps Up
Power to Run the System You Built
Stable Voltage Under Load
Holds voltage when the system pulls hard, so lights stay steady and amplifiers do not cut out.
Built for Audio Draw
High-output designs are made for heavy current and repeated deep discharge, unlike a standard starting battery.
Size It to the System
Match capacity and charging output to the total draw of your amplifiers. The specs list what this unit delivers.
Safe Installation
Correct fusing, cable gauge and secure mounting are essential on any high-current upgrade.
