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SmallBMS (BMS400100000) is a compact battery management system for Victron Lithium Smart (LiFePO4) batteries that provides basic protection against deep discharge, overcharge, and overheating. Ideal for systems requiring reliable protection but without VE.Bus integration. Features two outputs for load and charger disconnection, as well as a Pre-Alarm output.
Key benefits of the SmallBMS battery management system
- Compatible with Victron Lithium Smart 12.8V and 25.6V batteries
- Compact dimensions (106 × 42 × 23 mm) – easily integrates into any system
- Two separate control outputs – Load Disconnect and Charge Disconnect
- Pre-Alarm output – alerts the user to low battery levels
- Low power consumption – ideal for off-grid solutions
- Easy installation – no complex configuration required
Technical Features
- Load Disconnect – activates when cell voltage is too low. Controls the inverter or BatteryProtect.
- Charge Disconnect – disconnects the charge when one of the cells reaches the maximum allowable voltage.
- Pre-Alarm – a warning output that allows you to activate a visual or audible alarm before the system shuts down.
- No VE.Bus communication required – a simple solution for basic systems on Victron Lithium Smart.
- Compatible with: Smart BatteryProtect, Cyrix-Li-ct, Cyrix-Li-Charge, and other Victron devices.
Communication interfaces
- Load Disconnect (max. 1 A, 60 V) – for controlling loads, inverters, or BatteryProtect.
- Charge Disconnect (max. 1 A, 60 V) – for chargers.
- Pre-Alarm (max. 1 A, 60 V) – warning indication or control of additional devices.
- Remote on/off – centralized power on/off for the device.
Application scenarios
- Off-grid solar systems with Victron Lithium Smart batteries.
- Mobile power systems: campers, yachts, mobile laboratories.
- Backup power for telecommunications, server rooms, and emergency lighting.
- Integration with Cyrix and BatteryProtect for intelligent power management.
Service Support in Ukraine
Total-Energo LLC – the official representative of Victron Energy in Ukraine, offers:
- Professional system selection
- Design of stand-alone solutions
- Installation and commissioning
- Warranty and post-warranty support