Description
Newmar 2-3-120 Battery Isolator | Boat Supply Store
Prevent parasitic drain and ensure optimal battery health for your vessel's critical systems. This isolator employs advanced diode technology to direct alternator output to multiple battery banks, maintaining a minimum of 13.5 volts across each, thereby preventing voltage drop and protecting against discharge. It is specifically engineered for applications requiring the separation of house and starting batteries, such as offshore fishing vessels navigating the Gulf Coast where reliable power is paramount.
Key Features
- Safeguards batteries from parasitic drain
- Ensures full charge to all connected banks
- Prevents voltage drop across circuits
- Built for marine environments
- Durable construction for longevity
- Efficient power distribution
- Directs alternator output effectively
- Simplifies multi-battery management
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 120 Amps |
| Number of Banks | 3 |
| Voltage | 12-24 Volts |
| Dimensions | 5.0" L x 3.8" W x 2.3" H |
Who This Is For
This isolator is designed for boat owners operating vessels with multiple battery banks requiring independent charging and protection. It is ideal for serious anglers and cruisers who depend on consistent electrical power for navigation and onboard systems.
How It Compares
| Feature | Newmar 2-3-120 Battery Isolator | Competitor |
|---|---|---|
| Amperage Rating | 120 Amps | 120 Amps |
| Number of Banks | 3 | 3 |
| Voltage | 12-24 Volts | 12-24 Volts |
| Dimensions | 5.0" L x 3.8" W x 2.3" H | 5.2" L x 3.7" W x 2.2" H |
Common Concerns Answered
Will this isolator allow my starting battery to be drained by my house electronics?
No, the Newmar 2-3-120 employs diode isolation technology that effectively separates your battery banks, preventing discharge between them and ensuring your starting battery remains ready for ignition.
How does this isolator affect my alternator's charging efficiency?
This isolator is designed to maintain a minimum of 13.5 volts to each battery bank, ensuring efficient charging without significant voltage drop, thereby maximizing alternator performance and battery life.
Is this unit suitable for saltwater environments?
Yes, the isolator is constructed with marine-grade components designed to withstand the corrosive effects of saltwater environments, ensuring reliable operation.
Frequently Asked Questions
What is the primary function of a battery isolator on a boat?
A battery isolator allows a single alternator to charge multiple battery banks independently, preventing the discharge of one battery into another.
Can I use the Newmar 2-3-120 with both 12V and 24V systems?
Yes, this isolator is rated for use with both 12-volt and 24-volt battery systems.
What is the maximum amperage this isolator can handle?
The Newmar 2-3-120 is rated for a maximum of 120 amps.
How many battery banks can be connected to this isolator?
This specific model supports the connection and independent charging of up to three battery banks.
What are the physical dimensions of the Newmar 2-3-120?
The isolator measures 5.0 inches in length, 3.8 inches in width, and 2.3 inches in height.
