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XS Power Battery - Auxiliary Car Batteries & Hardware

Brand : XS Power

XS Power RK2GA-1

XP FLEX
2 AWG
Single Battery
Light-Weight
Racing Cable Kit

XS Power RK2GA-1

XP FLEX
2 AWG
Single Battery
Light-Weight
Racing Cable Kit

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56668

$114.99

~~$169.99~~

Available to Order

Item #: 56668

$114.99

Was ~~$169.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power RK2GA-2

XP FLEX
2 AWG
Dual Battery
Light-Weight
Racing Cable Kit

XS Power RK2GA-2

XP FLEX
2 AWG
Dual Battery
Light-Weight
Racing Cable Kit

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56670

$159.99

~~$209.99~~

Available to Order

Item #: 56670

$159.99

Was ~~$209.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power Li-D1600CK

16V Lithium Battery Kit
4320A Max Amp Power
High Performance Combo Set
Lightweight Durable Design
Perfect for Car Audio

XS Power Li-D1600CK

16V Lithium Battery Kit
4320A Max Amp Power
High Performance Combo Set
Lightweight Durable Design
Perfect for Car Audio

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56697

$1,649.99

~~$2,199.99~~

Available to Order

Item #: 56697

$1,649.99

Was ~~$2,199.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power 553

I-BAR marine adapter
Side and top terminals
5/16 inch studs
3/8 inch studs
Durable marine connection

XS Power 553

I-BAR marine adapter
Side and top terminals
5/16 inch studs
3/8 inch studs
Durable marine connection

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56701

$54.99

~~$89.99~~

Available to Order

Item #: 56701

$54.99

Was ~~$89.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power 554

I-BAR Marine Terminal Adapter
5/16" and 3/8" Studs
Top Only

XS Power 554

I-BAR Marine Terminal Adapter
5/16" and 3/8" Studs
Top Only

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56702

$54.99

~~$89.99~~

Available to Order

Item #: 56702

$54.99

Was ~~$89.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power 555

side terminal adapter
Durable and reliable
Easy installation
Improves electrical connections

XS Power 555

side terminal adapter
Durable and reliable
Easy installation
Improves electrical connections

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56703

$39.99

~~$69.99~~

Available to Order

Item #: 56703

$39.99

Was ~~$69.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power 557

I-BAR 925 adapter
Allows fitment of I-BAR accessories
Compatible with I-BAR system
Durable construction
Easy installation

XS Power 557

I-BAR 925 adapter
Allows fitment of I-BAR accessories
Compatible with I-BAR system
Durable construction
Easy installation

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56705

$14.99

~~$39.99~~

Available to Order

Item #: 56705

$14.99

Was ~~$39.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power 588

5/16 and 3/8 Studs
Durable Adapter Kit Set
Easy Electrical Connection Upgrade
Universal Car Audio Use
High Quality Metal Build

XS Power 588

5/16 and 3/8 Studs
Durable Adapter Kit Set
Easy Electrical Connection Upgrade
Universal Car Audio Use
High Quality Metal Build

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56711

$24.99

~~$49.99~~

Available to Order

Item #: 56711

$24.99

Was ~~$49.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power 589

5/16 Inch Stud Adapters
Durable Metal Connectors
Easy Electrical Installation
Universal Audio Compatibility
High Quality Construction

XS Power 589

5/16 Inch Stud Adapters
Durable Metal Connectors
Easy Electrical Installation
Universal Audio Compatibility
High Quality Construction

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56712

$16.99

~~$39.99~~

Available to Order

Item #: 56712

$16.99

Was ~~$39.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power 590

Type: Stud Adapters
Size: 3/8"
Quantity: 2

XS Power 590

Type: Stud Adapters
Size: 3/8"
Quantity: 2

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56713

$16.99

~~$29.99~~

Available to Order

Item #: 56713

$16.99

Was ~~$29.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power TB-605v1

600 Series
Aluminum Terminal Blocks
1/0 Gauge
5 Spots
M6/M8 Bolts

XS Power TB-605v1

600 Series
Aluminum Terminal Blocks
1/0 Gauge
5 Spots
M6/M8 Bolts

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56717

$76.99

~~$93.99~~

Available to Order

Item #: 56717

$76.99

Was ~~$93.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

XS Power TB-606v2

600 Series Aluminum Terminal Blocks
1/0 Wire Size
6 Spots
M6/M8 Bolts
Pair

XS Power TB-606v2

600 Series Aluminum Terminal Blocks
1/0 Wire Size
6 Spots
M6/M8 Bolts
Pair

FREE SHIPPING in US 48

Free 2 Years Warranty

Item #: 56719

$76.99

~~$93.99~~

Available to Order

Item #: 56719

$76.99

Was ~~$93.99~~

Available to Order

Free 2 Years Warranty

FREE SHIPPING in US 48

If you’re serious about sound, sometimes the factory car battery just doesn’t pack enough amps. An XS Power battery can be dedicated to your audio system and work as an emergency backup. OnlineCarStereo.com has lithium and AGM batteries that can provide up to 6,000 additional amperes of juice. While you’re here, get an XS Power battery charger, terminal blocks, mounting boxes and other essentials. We provide lifetime tech support and offer professional on-site installation of your new battery.