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Adding a secondary car battery for your audio system? Use battery isolators and Relays to prevent voltage drop and keep your audio system running efficiently. Shop now
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Battery Isolators & Relays Compatible Amperage: 401 - 500 amps

500 Amp Relay Isolator (BIR500)

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

$54.99

IN STOCK

500 Amp Battery Isolator and Relay

• Battery Isolator and Relay
• 500 Amp
• Prevents Primary Battery Discharge
• Maximizes the Current Transfer
• Extends Battery Life
• Universal 12V Applications

$49.99

IN STOCK

500 Amp Relay / Battery Isolator

• 500 Amp Relay / Battery Isolator
• Used To Isolate A Second Battery Electrical Equipment
• Prevents The Equipment From Discharging The Main Battery
• Handles 500 Amps Continuous
• 700 Amp Surges

$89.95

IN STOCK