Secondary car batteries need accessories so you can finish your install. Shop for fuses, terminals, isolators, relays and more!
XS Power

XS Power Battery Accessories

XS Power Battery Terminals
XS Power Battery Terminal Posts
XS Power Battery Chargers
XS Power Battery Wiring & Install Kits
XS Power Fuses & Fuse Holders

Top Sellers in XS Power Battery Accessories

Pair of 12 Volt Short Brass Battery Terminal Post Adapters M6

• Pair of 12-Volt Short Brass Terminal Post Adapters
• For Vehicles that Use "Short Style" Battery Posts
• High Quality M6 Threading
• Stainless Steel Hex-Head Bolts Included
• Compatible with All i-BAR Rails

Add an XS Power 580 M6 Brass Terminal Post Adapter Kit

$14.97

IN STOCK

Pair of Tall Brass 12-Volt Terminal Post M6 Adapters for XS Power D925 & D1200 Power Cells

• Pair of Tall Brass 12-Volt Terminal Post M6 Adapters
• Compatible with All i-BAR Rails
• For Vehicles that Use "Tall Style" Battery Posts
• High Quality M6 Threading
• Stainless Steel Hex-Head Bolts Included

Add an XS Power 586 M6 Brass Terminal Post Adapter Kit

$11.99

IN STOCK

Only 2 Left!

I-BAR Multi Top Post and Side Terminal Adapter Kit

• I-BAR Multi Top Post and Side Terminal Adapter Kit
• Mounts to Any i-BAR Compatible Battery
• Provides GM Style Threaded Side Post Terminals
• Copper Coated Battery Post Material
• Includes 4 top Mount Post Terminals

Add an XS Power 555 Side and Top Terminal Adapter Kit

$24.99

IN STOCK

Only 1 Left!

Battery Heat Wrap Protection

• XS Power 500 Battery Heat Wrap
• Universal Heat Wrap For Battery Protection
• Capable of Withstanding Radiant Temperatures up to 2000 Degrees

Get 25% off an XS Power Battery Wrap with Purchase!

$29.99

IN STOCK

Only 1 Left!

I-BAR Multi Top Post Terminal Adapter Kit

• I-BAR Multi Top Post Terminal Adapter Kit
• Mounts to Any i-BAR Compatible Battery
• Provides Two Sets of Positive and Negative Top-Post
• Copper Coated Battery Post Material

Add an XS Power 556 Top Terminal Adapter Kit

$24.99

IN STOCK

Only 3 Left!

2 Gauge XP FLEX CCA Secondary Battery Installation Kit for 2000-2500 Watt Audio Sytems

• 2 Gauge Secondary Battery Installation Kit
• Designed for 2000-2500 Watt Audio Systems
• Pre Ring Terminated Power and Ground
• (2) ANL Fuse Holders with 200 Amp Fuses
• Install Accessories (zip ties, wire clamps and screws)

Save Time with an XS Power 2nd Battery Installation Kit

$59.99

IN STOCK

I-BAR Marine Side and Top Terminal Adapter Kit with 5/16" and 3/8" Studs

• I-BAR Marine Side and Top Terminal Adapter Kit
• Mounts to Any i-BAR Compatible Battery
• Provides GM Style Threaded Side Post Terminals
• Copper Coated Battery Post Material
• 5/16" and 3/8" Studs Included

Add an XS Power 553 Side and Top Terminal Adapter Kit

$49.99

AVAILABLE

Ships at Later Date

1/0 Gauge XS FLEX 100% OFC Secondary Battery Installation Wiring Kit for up to 4000 Watt Audio Systems

• 1/0 Gauge OFC Secondary Battery Installation Kit
• Designed for 3500-4000 Watt Audio Systems
• Pre Ring Terminated Power and Ground
• (2) ANL Fuse Holders with 350 Amp Fuses
• Install Accessories (Zip Ties, Wire Clamps and Screws)

Save Time with an XS Power 2nd Battery Installation Kit

$169.99

AVAILABLE

Ships at Later Date

Pair of 5/16" 12-volt battery terminal adapters for marine applications

• 5/16" Brass Stud
• M6 Thread
• Steel Wingnut inlcuded
• For Marine Use

$14.99

AVAILABLE

Ships at Later Date

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

• I-BAR Marine Top Terminal Adapter Kit
• Mounts to Any i-BAR Compatible Battery
• Provides GM Style Threaded Top Post Terminals
• Brass Coated Battery Post Material
• 5/16" and 3/8" Studs Included

Add an XS Power 554 Top Terminal Adapter Kit

$49.99

AVAILABLE

Ships at Later Date

2 Gauge XS FLEX 100% OFC Secondary Battery Installation Kit

• 2 Gauge 100% OFC Secondary Battery Installation Kit
• Designed for 2500-3000 Watt Audio Systems
• Pre Ring Terminated Power and Ground
• (2) ANL Fuse Holders with 250 Amp Fuses
• Install Accessories (Zip Ties, Wire Clamps and Screws)

Save Time with an XS Power 2nd Battery Installation Kit

$119.99

AVAILABLE

Ships at Later Date

Microprocessor Controlled Multi-Stage 12V-16V Battery Charger and 60 Amp Power Supply

• Advanced Power Supply Unit and Battery Charger
• MOSFET Rectifier Technology w/ Advanced Microprocessor Control Board
• Multi-Stage 12V-16V Battery Charger
• 60 Amp Power Supply
• Compatible With All Lead-Acid Type Batteries

$399.99

AVAILABLE

Ships at Later Date

Microprocessor Controlled Multi-Stage 12V-16V Battery Charger and 30 Amp Power Supply

• Power Supply, 15A, 12V, 14V, 16V with AGM Charge Mode
• Remote LCD Display
• Three Mode Operation
• XS Flex Output Leads
• 120VAC (100~130VAC) / 230VAC (180~240VAC) AC Input

$299.99

IN STOCK

Only 1 Left!

12 Volt, 15 AMP Lithium Ion Battery Charger

• XS Power Li1225 Car Battery Charger
• 12V High Frequency Lithium Ion intelliCharger
• 15 Amps
• Positive and Negative Clamps included

$199.99

AVAILABLE

Ships at Later Date

12 Volt, 25 AMP Lithium Ion Car Battery Charger

• XS Power Li1225 Car Battery Charger
• 12V High Frequency Lithium Ion intelliCharger
• 25 Amps
• Positive and Negative Clamps included

$299.99

AVAILABLE

Ships at Later Date