Description
Powertech 12V 140A Dual Battery Isolator Kit with Wiring – MB3880
Take control of your vehicle’s power management with the Powertech Dual Battery Isolator Kit, designed to keep your starter battery protected while ensuring consistent power delivery to your auxiliary systems. Whether you're powering a 12V fridge in a 4WD, running bright cabin lights on a boat, or operating tools from an inverter in a work ute, this kit is the reliable solution to prevent battery drain and keep your systems running strong.
Key Features
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Automatic Battery Isolation: Prevents auxiliary loads from discharging your main starter battery.
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Priority Charging: Ensures the starter battery charges first before topping up your secondary battery.
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Voltage Sensitive Relay (VSR): Automatically connects/disconnects the auxiliary battery based on voltage levels (13.3V cut-in, 12.8V cut-off).
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Weather Resistant: IP65-rated for dust-tight and water-jet resistant protection.
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Complete Kit: Includes marine-grade wiring, hardware, and easy-to-follow installation instructions.
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Easy to Install: Designed for simple DIY or professional installation in 12V systems.
Specifications
| Specification |
Details |
| Voltage Rating |
12VDC |
| Current Rating |
140A Continuous |
| Cut-in Voltage |
13.3V |
| Cut-off Voltage |
12.8V |
| Ingress Protection |
IP65 (Dust tight & water jets) |
| Cable Length |
5m |
| Kit Weight |
1.6kg |
| Dimensions |
670(L) x 535(W) x 80(H) mm |
| Packaged Volume |
5.31L |
| Packaged Weight |
1.86kg |
⚠️ Note
For systems without a chassis ground (e.g., fibreglass boats), additional black wire may be required to establish proper earthing.
This Powertech Dual Battery Isolator Kit gives you the peace of mind to run essential accessories without risking a flat starter battery—a must-have for any serious adventurer, boater, or tradie.
