Description
Victron BatteryProtect BP-65 65A Low Voltage Disconnect | Boat Supply Store
Prevent critical system failures caused by battery deep discharge with the Victron BatteryProtect BP-65. This 65 AMP, 6-35 VDC unit safeguards your battery bank by automatically disconnecting non-essential loads before voltage drops to damaging levels, ensuring reliable engine starting power. Its specialized Li-ion battery mode and programmable voltage thresholds, controllable via VE.Bus BMS, make it ideal for complex marine electrical systems in harsh coastal environments.
Key Features
- Prevents critical system shutdown by disconnecting non-essential loads.
- Ensures sufficient power for essential functions like engine cranking.
- Adapts to 12V or 24V systems with auto-ranging voltage detection.
- Customizable disconnect and reconnect voltages via seven-segment display.
- Supports advanced Li-ion battery protection, controllable by VE.Bus BMS.
- Minimizes parasitic drain with ultra-low current consumption.
- Protects sensitive electronics from damage with over-voltage disconnect.
- Offers spark-free operation with ignition-proof MOSFET switches.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 65 AMP |
| Voltage Range | 6-35 VDC |
| System Voltage | 12/24V auto-ranging |
| Disconnect Voltages | Programmable |
| Reconnect Voltages | Programmable |
| Li-ion Battery Mode | Yes |
| Over-Voltage Protection | Yes (disconnects at >16V or >32V) |
| Alarm Output | Delayed (12 seconds after low voltage) |
| Load Disconnect | Delayed (90 seconds after alarm) |
| Load Reconnect | Delayed (30 seconds after voltage rise) |
Who This Is For
Boaters, RV owners, and off-grid system users who need to protect their batteries from deep discharge and ensure sufficient power for critical functions like engine starting. This device is vital for maintaining system integrity and preventing premature battery failure.
How It Compares
| Feature | Victron BatteryProtect BP-65 65A Low Voltage Disconnect | Contactor |
|---|---|---|
| Amperage Rating | 65A | 500A |
| Amperage Rating | 65A | 100A |
| Voltage Range | 6-35 VDC | 12-24V DC |
| Voltage Range | 6-35 VDC | 12-24V DC |
| Primary Function | Low Voltage Disconnect | Automatic Charging Relay |
| Primary Function | Low Voltage Disconnect | Automatic Charge Relay |
| Li-ion Battery Mode | Yes | No |
| Li-ion Battery Mode | Yes | No |
| Programmable Voltages | Yes | No |
| Programmable Voltages | Yes | No |
| Over-Voltage Protection | Yes | No |
| Over-Voltage Protection | Yes | No |
| Ignition Proof | Yes (MOSFET) | Yes |
| Ignition Proof | Yes (MOSFET) | Yes |
Common Concerns Answered
Is the programming complex?
While some users find initial programming requires referring to the manual, the seven-segment display and clear instructions facilitate accurate setup for desired voltage thresholds and battery modes, including Li-ion.
Is the 65A rating sufficient for all applications?
The 65A rating is suitable for most standard marine loads, including essential systems and auxiliaries; however, exceptionally high-draw applications may require a higher amperage model or multiple units.
What if I accidentally disconnect critical systems?
The BatteryProtect features a delayed alarm and load disconnect sequence (12 seconds for alarm, 90 seconds for disconnect after alarm) which provides a buffer against transient low-voltage events, preventing accidental shutdowns.
Frequently Asked Questions
What is the purpose of the Victron BatteryProtect BP-65?
The Victron BatteryProtect BP-65 is designed to disconnect non-essential loads from your battery bank when the voltage drops to a predetermined low level, thereby preventing deep discharge and potential battery damage.
How does the BatteryProtect protect my battery from deep discharge?
It monitors the battery voltage and automatically disconnects connected loads once the voltage falls below the programmed low-voltage threshold, safeguarding the battery from irreversible damage caused by excessive discharge.
Can the BatteryProtect be used with Li-ion batteries?
Yes, the BP-65 features a special mode specifically designed for Li-ion batteries, which can be controlled in conjunction with a compatible Battery Management System (BMS) for optimal protection.
What is the voltage range of the Victron BatteryProtect BP-65?
The BatteryProtect BP-65 operates across a wide voltage range of 6 to 35 VDC, and it automatically detects and adapts to either 12V or 24V system voltages.
How is the BatteryProtect programmed?
Programming is accomplished using the integrated seven-segment display, allowing users to set specific engagement and disengagement voltage thresholds according to their system requirements and battery type.
