XS Power D4900

12-Volt Deep Cycle AGM Battery Power Cell with 4000 Max Amps

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XS Power D4900 AGM Power Cell

This XS Power 12-Volt Deep Cycle Power Cell features a sealed absorbed glass mat (AGM) design and is perfect for 3000-4000 watt car audio sound systems. The D4900 can be used as a replacement for your vehicles standard battery or as an additional battery to provide the extra power needed for a high performance aftermarket system. It's leak-proof design and no external vents allow this power cell to fit in most factory battery locations with no hazardous leaks.

XS Power's D4900 Power Cell puts out 1075 cranking amps with a maximum output of 4000 amps, this is plenty of power to crank even the highest performing engines. This battery will resist extreme heat conditions and vibrations and is 100% sealed in a reinforced ABS plastic case. M6 Terminal hardware is included for your installation convenience.



Stinger SPP Series

XS Power

XS Power

Sealed Absorbed Glass Mat (AGM) Design
100% Sealed and Maintenance Free
Includes Removable Brass Battery Posts
 Fits In Most Battery Locations
Primary or Secondary Battery
Includes Protective Mounting Case
Leak-Proof, Non-Hazardous Design
Warranty 3 Year Manufacturer's 3 Year Manufacturer's


Battery Features

  • 12-Volt Deep Cycle AGM Power Cell
  • Sealed absorbed glass mat (AGM) design
  • Can be used as a replacement for your vehicles standard battery
  • Can also be used as an additional battery to power your high-performance sound system
  • Perfect for 3000W - 4000W car audio stereo systems
  • Leak-Proof, non-hazardous design
  • Stores energy so you don't need a capacitor for your system
  • No external vents allow this battery to be mounted anywhere with no leaks
  • Reinforced ABS plastic case
  • Conforms to Group 49 BCI standards
  • Resists extreme vibrations for ultimate performance
  • Fits in almost any factory battery location
  • Enough power to crank the highest performance engines
  • Extreme heat resistance
  • 100% Sealed and maintenance free
  • M6 Terminal hardware included
  • XS Power 580 SAE short post terminal adapters available
  • Authorized Internet Dealer
  • 3-year Manufacturer's warranty

Battery Specifications

  • BCI Group: 49
  • Cranking Amps: 1075
  • Maximum Output: 4000 Amps
  • Amp Hours: 80
  • Weight: 64 lbs
  • Dimensions: 7-1/2โ€L x 13-15/16โ€W x 6-15/16โ€H

Not Sure Which Battery You Need?

Check the Battery Wattage Chart to find the battery for your vehicle!

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

General Features

Cranking Amps
An amp is a unit of electric current. The greater the number of amps, the more powerful the unit is.
Amp Hours (AH)
A unit of measurement for battery capacity, obtained by multiplying a current flow in amperes by the time in hours of discharge.
This is the measure of length in inches of the product.
The width of the item from left to right (side-to-side) measured in inches.
The height of the item, measured from top to bottom, in inches.
Maximum System Wattage
Different car batteries will work for systems putting out different wattages. This refers to the recommended wattage range that you should use this battery for.
4000 watts
BCI Group Number

Warranty and Return Policy

Parts Warranty Duration
3 years
Labor Warranty Duration
3 years
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating


Orchard Park, NY

Amazing battery

July 7, 2014

I just purchased this for my 2006 Land Rover LR3 for the main staring battery and will soon purchase another one for my subs. This thing is bad ass there is so much power, my truck starts up much quicker than before, also upgraded the alt to a 320 AMP alternator. There is plenty of power from this beastly battery, definitely would recommend it, its a great buy.

29 of 35 found this helpful

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White Ghost

United States

Best In Industry

September 17, 2013

Did a lot of research before purchasing this battery, didn't want to waste no more money on junk like I did with the 2 yellow top batteries, which still made me have massive dimming lights interior & exterior. Honestly all the good reviews aren't fakes. I have a Rockford T2500 & Rockford T600-4 & I'm only using this battery to supply everything in my car with absolutely no dimming at all throughout my entire car. On heavy bass notes the volt meter on the T2500 sits at 13.7volts. You want quality go no further you actually found it.

27 of 33 found this helpful

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Lake forest, CA

sick power

January 31, 2014

Have this one on my audi A6 4.2 as the main battery source perfect fit. Has a lot of power.

27 of 36 found this helpful

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Naples, Fl

Great value

May 26, 2016

This Xs power Battery is amazing fits right of my car great design

0 of 0 found this helpful

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Accessory Tools and Products

Accessories added

MechMan Alternators 1020R Secondary Battery Wiring Kit

Premium Secondary Battery Installation Kit for Audio Systems up to 4000 Watts

Your Price $89.00

Steve Meade Designs VM-1 (SMD-VM1)

Steve Meade Designs SMD 12V Analog Voltage Meter

Your Price $79.99

Xscorpion DVM23SR

3-Digit Red LED Digital Voltage Display VoltMeter

Your Price $12.99

Stinger SVMR

Red LED Voltage Display

Your Price $21.35

Stinger SVMB

Stinger SVMB Blue LED Voltage Display

Your Price $24.99

Browse 2 questions and 8 answers
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Why did you choose this?
Sonic Electronix Store
To charge agm battery bank with alternator and cutoff switch.
Mike E on May 7, 2017
Needed a big power bank for my 5000 watts, sure enough this does the trick, no headlight dims, no power withdraws, absolutely amazing, i will be buying another one soon
Maria G on Aug 26, 2015
reputable brand fit my application
Bruce M on Apr 18, 2017
For a m3
JESSE A on May 11, 2015
I have a new D3400 under the hood and a 250A alternator; can I use this in the trunk of my truck to push a DC 3.5K amp? I've heard it's bad to mismatch the car batterys.
DiamondGhost on Apr 23, 2015
XS Power D4900
XS Power D4900
XS Power D3400
XS Power D3400
Best Answer: Hi I have the exact same setup in my truck pushing a hifonics 2400.1d and 3 mtx 10s I 've no problem at all with it. I have plenty of power and have had the setup for a few months now, you should be good. I'm no expert though but I don't see what the problem would be. These batteries are solid, my truck was left out in below 0 temps over the winter for about 2 weeks without starting up it had no problem at all.
Reply · Report · Matthew B on Apr 24, 2015
· Add Answer · I Have This Question Too (0)

Product Summary


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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: XS Power D4900

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XS Power D4900

12-Volt Deep Cycle AGM Battery Power Cell with 4000 Max Amps


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MechMan Alternators 1020R Secondary Battery Wiring Kit

Premium Secondary Battery Installation Kit for Audio Systems up to 4000 Watts


Steve Meade Designs VM-1 (SMD-VM1)

Steve Meade Designs SMD 12V Analog Voltage Meter



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