Description
Victron SmallBMS for Smart LiFePO4 Batteries | Boat Supply Store
For marine enthusiasts seeking a cost-effective battery management solution for their Victron Smart LiFePO4 systems not integrated with VE.Bus inverter/chargers, this SmallBMS provides essential protection. It features distinct Load Disconnect and Pre-alarm outputs, each rated for 1A max, along with a Charge disconnect output for up to 10mA. This unit is compatible with 12V, 24V, and 48V systems operating between 8-70V DC, ensuring reliable performance for offshore power needs.
Key Features
- Cost-effective alternative for managing Victron Smart LiFePO4 batteries.
- Essential protection for 12V, 24V, and 48V marine battery systems.
- Load Disconnect output (1A max) for controlled power interruption.
- Pre-alarm output (1A max) for early warning of system conditions.
- Charge disconnect output (10mA max) safeguards battery charging.
- Wide operating voltage range from 8-70V DC accommodates various configurations.
- System on/off input for convenient external control.
- LED indicators provide clear status monitoring.
Specifications
| Product Specifications | |
|---|---|
| Brand | Victron Energy |
| Model | SmallBMS |
| MPN | BMS400100000 |
| Compatibility | Victron Smart LiFePO4 batteries with M8 circular connectors |
| System Voltage | 12V, 24V, 48V |
| Operating Voltage | 8-70V DC |
| Load Disconnect Rating | 1A max (not short-circuit protected) |
| Pre-alarm Rating | 1A max (not short-circuit protected) |
| Charge Disconnect Rating | 10mA max (not for inductive loads) |
| Inputs | System on/off |
| Indicators | LEDs |
Who This Is For
Marine enthusiasts and DIYers requiring a budget-conscious solution to manage and protect their Victron Smart LiFePO4 batteries. This unit is ideal for installations that do not utilize VE.Bus MultiPlus or Quattro inverter/chargers.
How It Compares
| Feature | Victron SmallBMS for Smart LiFePO4 Batteries | Victron Energy VE.Bus BMS |
|---|---|---|
| VE.Bus Interface | No | Yes |
| Load Disconnect Max Current | 1A | 10A |
| Pre-Alarm Output | Yes | Yes |
| System On/Off Input | Yes | Yes |
| Cell Balancing | No | No |
Common Concerns Answered
Is the SmallBMS compatible with all Victron inverter/chargers?
No, the Victron SmallBMS is explicitly not compatible with VE.Bus MultiPlus or Quattro inverter/chargers. It is designed for simpler Victron Smart LiFePO4 battery systems.
Can the Load Disconnect output power high-demand equipment?
The Load Disconnect output is rated for a maximum of 1A and is not short-circuit protected, making it unsuitable for directly controlling high-power loads. For such applications, a higher-capacity BMS is required.
Does the SmallBMS offer cell balancing?
No, the Victron SmallBMS does not include cell balancing functionality. Its primary role is essential battery protection and management for compatible Victron Smart LiFePO4 batteries.
Frequently Asked Questions
What is the Victron SmallBMS f/Smart LiFePO4 Batteries w/M8?
The Victron SmallBMS is a compact and cost-effective battery management system designed specifically for Victron Smart LiFePO4 batteries equipped with M8 circular connectors, offering essential protection functions.
What is the difference between the SmallBMS and the VE.Bus BMS?
The SmallBMS is a simpler, more affordable unit for non-VE.Bus systems, featuring lower current ratings on its disconnect outputs and lacking VE.Bus integration. The VE.Bus BMS is designed for systems with VE.Bus MultiPlus/Quattro inverter/chargers and offers higher current handling.
What batteries is the SmallBMS compatible with?
The SmallBMS is compatible with Victron Smart LiFePO4 batteries that feature M8 circular connectors. It is not designed for other battery chemistries or connector types.
What are the outputs of the SmallBMS and what do they do?
It has three outputs: Load Disconnect (1A max) to switch off loads, Pre-alarm (1A max) to signal an impending under-voltage condition, and Charge Disconnect (10mA max) to stop charging.
What is the operating voltage range of the SmallBMS?
The SmallBMS operates across a wide DC voltage range of 8-70V, making it suitable for 12V, 24V, and 48V battery systems.
