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Home » Car Audio, Video & GPS » Car Audio/Video Installation & Accessories » Batteries & Battery Accessories » Battery Isolators and Relays
The perfect accessory for installing multiple car batteries in a vehicle. We offer a variety of different battery isolators designed for different battery amp ratings.
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Price range: $10–$110
Items in range: 12
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Battery Isolators and Relays

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200 amp Battery Isolator and Relay
Free Ground Shipping within the 48 states
200 amp Battery Isolator and Relay • Prevents primary battery discharge • Maximum current transfer • Extends battery life • Universal 12V Applications
$64.99
Shipping: FREE
To the US 48 • other rates
(3 reviews)
Availability: In Stock - Ships the same or next business day
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200 Amp Battery Isolator and Relay
Free Ground Shipping within the 48 states
Battery Isolator and Relay • 200 Amp • Prevents Primary Battery Discharge • Maximizes the Current Transfer • Extends Battery Life • Universal 12V Applications
$44.99
Shipping: FREE
To the US 48 • other rates
(2 reviews)
Availability: In Stock - Ships the same or next business day
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80 Amp High Current Relay Car Battery Isolator
Free Flat Rate Shipping within the entire USA!
High Current Relay Car Battery Isolator • Reliant & Efficient Way to Add a Secondary Battery to Any System • Connect Relays to Operate • Amperage: 80 Amps
$17.99
Shipping: FREE
To the US • other rates
(1 review)
Availability: Limited stock
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80 Amp Battery Isolator and Relay
Free Flat Rate Shipping within the entire USA!
Battery Isolator and Relay • 80 Amp • Prevents Primary Battery Discharge • Maximizes the Current Transfer • Extends Battery Life • Universal 12V Applications
$19.99
Shipping: FREE
To the US • other rates
Availability: In Stock - Ships the same or next business day
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200 Amp Battery Isolator (PAC200)
Free Ground Shipping within the 48 states
200 Amp Battery Isolator • 200 Amps at 12V Continuous • 300 Amps Surge • Draws Less Than 1 Amp When On • Switching Power: 10 - 16 VDC
$63.95
Shipping: FREE
To the US 48 • other rates
(8 reviews)
Availability: In Stock - Ships the same or next business day
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80 amp Battery Isolator and Relay
Free Ground Shipping within the 48 states
80 amp Battery Isolator and Relay • Prevents Primary Battery Discharge • Maximum Current Transfer • Universal 12V Applications • Extends Battery Life • Water Resistant Black Phenolic Plastic • 100,000 Mechanical Cycle Life
$27.99
Shipping: FREE
To the US 48 • other rates
(2 reviews)
Availability: In Stock - Ships the same or next business day
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500 Amp Relay / Battery Isolator
Free Ground Shipping within the 48 states
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
$84.99
Shipping: FREE
To the US 48 • other rates
Availability: In Stock - Ships the same or next business day
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200 Amp High Current Relay Car Battery Isolator
Free Ground Shipping within the 48 states
High Current Relay Car Battery Isolator • Reliant & Efficient Way to Add a Secondary Battery to Any System • Connect Relays to Operate • Amperage: 200 Amps
$39.99
Shipping: FREE
To the US 48 • other rates
(1 review)
Availability: In Stock - Ships the same or next business day
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80 Amp Battery Isolator (PAC80)
Free Ground Shipping within the 48 states
80 Amp Battery Isolator • 80 Amps at 12V Continuous • 150 Amps Surge • Switching Power: 10 - 16 VDC
$23.99
Shipping: FREE
To the US 48 • other rates
(5 reviews)
Availability: In Stock - Ships the same or next business day
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200 Amp Car Battery Isolator & Relay w/ Control Box
Free Ground Shipping within the 48 states
Car Battery Isolator & Relay w/ Control Box • Prevents Loads on Auxiliary Battery from draining the Main Battery • Works with all Alternator Types • Amperage: 200 Amps
$109.99
Shipping: FREE
To the US 48 • other rates
Availability: In Stock - Ships the same or next business day
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Battery Isolator / Monitor
Free Ground Shipping within the 48 states
Battery Isolator And Monitor Kit • BG12 Battery Monitor And PAC-200 Relay Isolates The Primary Battery From The Secondary Battery • Maintains Charge On Both Batteries • Requires No Alteration Of The Vehicle's Wiring •
$88.76
Shipping: FREE
To the US 48 • other rates
Availability: In Stock - Ships the same or next business day
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500 Amp Battery Isolator and Relay
Free Ground Shipping within the 48 states
Battery Isolator and Relay • 500 Amp • Prevents Primary Battery Discharge • Maximizes the Current Transfer • Extends Battery Life • Universal 12V Applications
$54.99
Shipping: FREE
To the US 48 • other rates
(5 reviews)
Availability: Out of Stock - Backorder
 
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