Description
ProMariner 130 AMP Battery Isolator | Boat Supply Store
Prevent parasitic drain and ensure simultaneous charging of multiple batteries from a single alternator with this robust isolator. Engineered for marine environments, it features gold-plated terminals for superior conductivity and handles DC devices ranging from 10 to 130 amps. This unit is ideal for anglers on the Texas coast running extensive electronics that require independent battery banks.
Key Features
- 130 AMP Maximum continuous charging capacity.
- Dual Battery configuration for independent charging.
- Single Alternator input for simplified system integration.
- Gold-Plated Terminals for superior corrosion resistance and conductivity.
- Improved Efficiency ensures batteries receive optimal charge.
- Reliable Power for starting engines and operating onboard electronics.
- Parasitic Drain Prevention safeguards battery health.
- Versatile DC Device compatibility from 10 to 130 amps.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 130 AMP |
| Alternator Configuration | 1 Alternator |
| Battery Configuration | 2 Battery |
| Terminal Type | Gold-plated |
| Voltage | 12V DC (assumed, standard for marine applications) |
| DC Device Range | 10-130 amps |
Who This Is For
Boat owners with a single alternator and a dual battery system seeking independent battery charging. This isolator is for those who need to ensure their starting and house batteries are optimally charged without one draining the other.
How It Compares
| Feature | ProMariner 130 AMP Battery Isolator | Blue Sea Systems ML |
|---|---|---|
| Amperage Rating | 130 AMP | 500A, 350A continuous |
| Number of Alternators | 1 | 1, 1 |
| Number of Batteries | 2 | 2, 2 |
| Type | Passive Battery Isolator | Automatic Charging Relay, Manual Battery Switch with Isolator Function |
| Terminal Type | Gold-plated | Tin-plated copper studs, Tin-plated copper studs |
Common Concerns Answered
I have a high-demand electrical system; will 130 AMP be enough?
The 130 AMP rating is suitable for many dual battery setups and is explicitly designed for 1 alternator and 2 batteries. For exceptionally high-demand systems exceeding this continuous rating, consider systems with higher amperage capacities or automatic charging relays, but this isolator offers robust performance for its intended application.
Are there known issues with this product?
Customer sentiment is generally positive, highlighting effective dual battery management and durable construction. While occasional reports of premature failure exist, they are not widespread, and the product is generally considered reliable for its intended use.
Is a battery isolator a better choice than an automatic charging relay?
A battery isolator like this ProMariner unit provides a simpler, passive charging solution for dual batteries from a single alternator, preventing parasitic drain. Automatic charging relays (ACRs) offer more advanced, dynamic control and are often rated for higher amperages, but this isolator excels in its specific application of managing two batteries with one alternator efficiently.
Frequently Asked Questions
What is a battery isolator and why do I need one?
A battery isolator is an electrical device that allows a single alternator to charge multiple batteries independently. You need one to ensure that your starting battery remains fully charged for engine ignition, even when your house battery is being discharged by onboard electronics, and to prevent one battery from draining the other.
How does the ProMariner 130 AMP Battery Isolator improve battery charging?
This isolator improves battery charging by directing the alternator's output to both batteries simultaneously without allowing current to flow between them when the engine is off. Its improved efficiency design ensures that both batteries receive an optimal charge from the single alternator.
Can this battery isolator be used with different types of batteries?
While this isolator is designed for general DC charging, it's crucial to ensure compatibility with your specific battery chemistries (e.g., lead-acid, AGM, gel). Always verify that your chosen battery type is suitable for charging via a standard alternator output managed by a passive isolator.
What is the maximum amperage this isolator can handle?
The ProMariner 130 AMP Battery Isolator is rated for a maximum continuous amperage of 130 amps. It is also suitable for DC devices ranging from 10 to 130 amps.
Is this isolator suitable for a single engine setup with two batteries?
Yes, this isolator is specifically designed for a single alternator and a two-battery configuration, making it ideal for single-engine setups that utilize both a starting battery and a house battery.
