KanSmart 500 Amp Battery Isolator – 12V Relay Kit for Mobile Audio, Marine & Off-Road
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Description
xEfficient power separation for multi-battery setups
The KanSmart 500 Amp Battery Isolator is designed to keep two battery banks from cross-talking, so essential equipment can run without draining the primary battery. In real-world terms, the second battery can power audio, navigation, lighting, and other devices while the main battery remains available for starting, cranking, or propulsion. This separation helps you manage power more predictably on boats, in trucks, or in custom builds where dependable power matters.
Engineered for 12V systems, this isolator delivers a robust 500A continuous current and handles up to 700A during surge. That means you can run demanding accessories without worrying about a voltage drop to the secondary battery. The result is steadier performance when your load peaks during long trips, late-night booms in the audio rig, or navigation sessions with multiple devices active.
- High current capacity: 500A continuous at 12V and 700A surge for peak demands.
- Minimal voltage drop: Maintains usable power to the second battery during operation.
- Battery life preservation: Reduces cross-drain when power is off, helping extend the primary battery’s life.
- Smart isolation: Prevents energy bleed between banks, minimizing unexpected drain.
Versatility is built in. The KanSmart isolator fits Marine, Mobile Audio, Off-Road, and Power Sports applications, and its durable construction is paired with straightforward installation. The housing and terminals are designed for reliable startup and long-term use, so you can integrate it into existing layouts with minimal fuss.
Real-life use scenarios
On a fishing boat, dedicate a separate battery to sonar, GPS, and cabin lighting, while keeping the engine battery ready for starting the outboard. In a custom car audio setup, feed amplifiers and displays from the second battery to preserve head-unit responsiveness even under peak power draw. In an off-road vehicle, maintain power for radios, cameras, and auxiliary lighting without risking the main battery dropping offline.
- Suitable for Marine, Mobile Audio, Off-Road, and Power Sports setups
- Easy to install and quick to wire with durable materials
Note that while the isolator optimizes power delivery, outcomes depend on your system’s overall current demands and wiring. Plan accordingly for your specific configuration and usage.
FAQ
Q: What does the KanSmart 500 Amp Battery Isolator do?
A: It separates a second battery to power accessories while reducing drain on the primary battery.
Q: How much current can it handle and is it easy to install?
A: It supports 500A continuous at 12V, 700A surge, and is designed for straightforward installation.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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