Metra Install Bay Multi Battery system 500 Amps Relay Isolator IB500 — Big Jeff Audio Dealer Platform
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  • High Amp Handling - Handles 500 Amps continuously, ensuring robust performance in multi-battery systems.
  • Durable Weatherproof Construction - Built to withstand various weather conditions, providing long-lasting and reliable use.
  • Battery Life Optimization - Essential for multi-battery systems, allowing control over which battery is in use, promoting longer battery life.
  • Perfect for Boats - Ideal for isolating a second battery in boats, dedicated solely to the stereo system, preventing drainage of the primary starting battery.
  • No Voltage Drop - Unlike dual battery isolators, the IB500 does not create any voltage drop to the secondary battery.

Metra Install Bay Multi Battery system 500 Amps Relay Isolator IB500

This Listing Includes:

  • (1) 500 Amps Relay Isolator

The Metra Install Bay IB500 Multi Battery System Relay Isolator is a must-have for enthusiasts seeking control and longevity in their multi-battery setups. Handling 500 Amps continuously, this isolator ensures a robust performance without compromising durability. Crafted with weatherproof construction, it withstands diverse weather conditions, ensuring reliable use over time. Perfect for boats, the IB500 allows for the isolation of a second battery, dedicated solely to the stereo system, preventing any drain on the primary starting battery. Unlike dual battery isolators, the IB500 does not create any voltage drop to the secondary battery, ensuring efficient power distribution.


  • Handles 500 Amps Continuous

  • Durable Weatherproof Construction

  • Must-Have for Multi-Battery Systems

  • Promotes Longer Battery Life

  • Ideal for Isolating Second Battery in Boats

  • Prevents Primary Battery Drainage

  • No Voltage Drop to Secondary Battery

Payment Information


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We are not responsible for any custom duties or brokerage fees that may apply for all international orders.

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If you want to ship your item to an alternate address please add
that address on your PayPal account and use the address as the default
or confirmed address to pay us through PayPal

With Free Same Business Day Shipping we work to get you your order Fast. 


All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

Shipping is available only to PayPal verified addresses. When making
payment please confirm your address has been verified with PayPal. Once
payment is made shipping address can not be changed/altered. Payments
made using an unverified PayPal address will be refunded and order will
be canceled.

We will not accept request to change shipping address once payment
has been made. Please confirm your shipping address is up-to-date and

Typical handling time for orders is 1-business day. We do our best
to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


If you have not received your package, but the tracking information shows that it was delivered,
please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.