National Luna intelligent solenoid (5min timer)
National Luna Intelligent Solenoid (Model: BMS-20001) is a compact and reliable split-charge isolator designed for 12V dual-battery systems in vehicles. It ensures that auxiliary batteries are charged while the engine is running, preventing the main battery from being drained.
Specifications
- Model: BMS-20001
- Type: Intelligent Solenoid Split Charge Unit
- Current Rating: Continuous 85A
- Voltage: 12V DC
- Solenoid Type: Low-loss, high-current solenoid
- Installation: Simple installation without the need for ignition sense wiring
- Protection Features:
- Alternator overload protection
- Reverse battery protection
- Damaged battery protection
- Short-circuit protection
- Remote Monitoring: Plug-in port for remote monitoring
- Durability: Designed for extreme environments
- Weight: Approximately 0.57 kg
Key Features
- Automatic Operation: Automatically connects and isolates the auxiliary battery based on voltage levels, ensuring efficient charging.
- No Ignition Wiring Needed: Installs without tapping into the ignition circuit, simplifying the installation process.
- High Current Capability: Handles up to 85A continuously, suitable for most dual-battery setups.
- Comprehensive Protection: Includes multiple protection mechanisms to safeguard both the main and auxiliary batteries.
- Remote Monitoring: Allows for monitoring of the system’s status through an external display (sold separately).
- Compact Design: Space-saving design suitable for various vehicle types
Installation Overview
The Intelligent Solenoid is designed for straightforward installation:
- Mounting: Secure the unit in a suitable location near the batteries.
- Connections:
- Connect the main battery positive terminal to the solenoid’s main terminal.
- Connect the auxiliary battery positive terminal to the solenoid’s auxiliary terminal.
- Connect the solenoid’s negative terminal to the vehicle’s chassis ground.
- Remote Monitor (Optional): If using a remote monitor, connect it to the solenoid’s monitoring port.
- Testing: Verify the system’s operation by starting the vehicle and checking the charging status of both batteries.
National Luna Intelligent Solenoid BMS-20001 is an excellent choice for those looking to efficiently manage dual-battery systems in their vehicles, providing reliable performance and protection for both batteries.





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