Aims Power - Dual Battery Sensing Isolator 300 Amp – Automatic
- Regular price
- $109.00
- Regular price
-
$121.00 - Sale price
- $109.00
- Unit price
- per
Dual Battery Sensing Isolator – Smart Power Management
The Dual Battery Sensing Isolator offers a safe, automatic, and cost-effective solution for managing your vehicle’s dual battery system. It continuously monitors both the starting battery and auxiliary battery and connects them when either exceeds 13.2 volts, enabling efficient charging from sources like a solar panel or external charger. Once the auxiliary battery reaches about 80% charge, it can back-feed and charge the starter battery—ensuring you’re never stuck with a drained main battery. The isolator disengages at 12.7 volts, preserving your starter battery’s integrity. An optional Manual Switch provides user control, linking batteries for 60 seconds even without alternator input. This system simplifies installation and protects vital power reserves during both on- and off-road use.
Features
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Automatic Connection: Solenoid connects auxiliary battery to charging system when either battery reaches 13.2V
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Dual Battery Monitoring: Isolator continuously monitors both main and auxiliary battery voltages
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Charging While Driving: Safely charges auxiliary battery without overloading the main system
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Ignition-Free Installation: No need to connect to ignition, simplifying and speeding up installation
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External Charging Support: Allows use of an external charger to charge the main battery via the auxiliary battery
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Battery Protection: Prevents flat start battery by isolating auxiliary load
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Manual Override (Optional): Manual switch links both batteries for 60 seconds, even if voltage is below 12.7V and alternator is off
Specifications
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System Voltage: 12V
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Auto-On Voltage: >13.2V
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Auto-Off Voltage: 12.7V
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Turn-On Delay: 5 seconds
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Turn-Off Delay: 10 seconds
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Max Continuous Current: 300 Amps
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Standby Current: <5mA
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Protection Rating: IP65 (splash proof)
Downloads & Manuals
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Dual Battery Sensing Isolator – Smart Power Management
The Dual Battery Sensing Isolator offers a safe, automatic, and cost-effective solution for managing your vehicle’s dual battery system. It continuously monitors both the starting battery and auxiliary battery and connects them when either exceeds 13.2 volts, enabling efficient charging from sources like a solar panel or external charger. Once the auxiliary battery reaches about 80% charge, it can back-feed and charge the starter battery—ensuring you’re never stuck with a drained main battery. The isolator disengages at 12.7 volts, preserving your starter battery’s integrity. An optional Manual Switch provides user control, linking batteries for 60 seconds even without alternator input. This system simplifies installation and protects vital power reserves during both on- and off-road use.
Need More Help?
Our expert can help guide you through
your purchase.
or send us an email
About the Manufacturer
Manufacturer's Name Aims Power
Welcome to AIMS Power, your ultimate destination for off-grid and renewable energy solutions. With 95 diverse options, including DC to AC inverters, solar panels, batteries, and more, we're committed to providing top-quality products. Founded by Bruce de Jong in 2001, our offerings have been trusted by NASA, the Department of Defense, and Princeton University. Explore our range at ApplianceGuys.com and experience unparalleled quality and customer service. Your energy needs are our priority!






