Victron Smart Series Victron Energy Smart Battery Protect 48V - 100A Advanced Battery Disconnect & Protection | 48V Systems | 100A Continuous The Victron Energy Smart Battery Protect 48V - 100A (MPN: BPR110048000) is a crucial battery protection device designed to safeguard your 48V battery systems from excessive discharge. It intelligently disconnects non-essential loads before the battery is fully depleted, preventing damage and extending battery lifespan. This unit also functions as a reliable system on/off switch, offering enhanced control over your power setup. Featuring integrated Bluetooth connectivity, the Smart Battery Protect allows for easy configuration and monitoring via the VictronConnect app. This enables users to set precise engage and disengage voltage levels, tailoring the protection to specific battery types and system requirements. Its robust design, utilising MOSFET switches, ensures ignition-proof operation without sparks. IMPORTANT NOTE: The Smart Battery Protect is a uni-directional device and is not designed for reverse currents from charging sources. Current must flow from the IN terminal (battery) to the OUT terminal (load). Key Features ▶ Battery Protection — Automatically disconnects loads to prevent deep discharge and extend battery life. ▶ Bluetooth Connectivity — Easy programming and monitoring of engage/disengage levels via the VictronConnect app. ▶ Li-ion Battery Mode — Special setting for compatibility with VE.Bus BMS, offering enhanced control for lithium systems. ▶ Ultra-Low Current Consumption — Minimises power draw, crucial for Li-ion batteries, especially after low voltage shutdown. ▶ Over Voltage Protection — Disconnects loads if DC voltage exceeds 64V to protect sensitive equipment. ▶ Ignition Proof Design — Utilises MOSFET switches instead of relays, eliminating sparks for safer operation. ▶ Delayed Actions — Features delayed alarm output, load disconnect, and reconnect to prevent nuisance triggers. Technical Specifications Parameter Value Voltage System 48V DC Max. Continuous Load Current 100A Peak Current (During 30 Seconds) 250A Connection Terminals M8 IP Rating (Electronics) IP67 (potted) IP Rating (Connections) IP00 Dimensions (Incl. Terminals) 62 x 123 x 120mm Weight 0.8 Kg Warranty 5 Years Battery Protection & Control Feature Description Bluetooth Programming Configure custom engage/disengage voltage levels and operational settings via the VictronConnect app. Li-ion Mode (Mode C) Allows external control by a VE.Bus BMS for optimal lithium battery management. Requires a BMS with load disconnect output. Programmable Levels Choose from nine predefined voltage levels using the programming pin, or set custom values via Bluetooth. Remote On/Off Function Can be used as a system on/off switch via a remote input, enhancing system control. Typical Applications Application Description Off-Grid Solar Systems Protects battery banks in cabins, remote homes, and other standalone solar installations. Marine & RV Systems Ensures leisure batteries are not over-discharged by essential or non-essential loads, preserving starting power. Backup Power Systems Maintains battery health in critical backup power setups for homes or small businesses. Industrial 48V Installations Provides reliable load disconnection for various industrial equipment running on 48V DC. Built-In Protection Functions The Victron Energy Smart Battery Protect 48V - 100A incorporates several safety features to ensure reliable operation and battery longevity. These include: Over Voltage Protection — Disconnects the load if the DC voltage exceeds 64V, safeguarding sensitive electronics. • Delayed Alarm Output — An alarm is activated if battery voltage drops below the preset disconnect level for more than 12 seconds, preventing false alarms from momentary voltage dips. • Delayed Load Disconnect — The load is disconnected 90 seconds after the battery voltage drops below the preset level, allowing for temporary voltage recovery (e.g., engine start). • Delayed Reconnect — The load will reconnect 30 seconds after the battery voltage has risen above the preset reconnect voltage. • Short Circuit Protection — The alarm output is short-circuit proof. Common Questions What is the primary purpose of the Smart Battery Protect? Its main function is to protect your 48V battery from excessive discharge by automatically disconnecting non-essential loads. This prevents battery damage and prolongs its lifespan. It can also serve as a system on/off switch. Can I use this with Lithium-ion batteries? Yes, the Smart Battery Protect has a special Li-ion mode (Mode C) that allows it to be controlled by a Victron VE.Bus BMS, providing tailored protection for lithium battery systems. Ensure your BMS has a load disconnect output for this mode. Is it suitable for connecting to a solar charge controller or inverter's DC input? No, the Smart Battery Protect is a uni-directional device designed for current flow from the battery (IN) to the load (OUT). It is not designed to handle reverse currents from charging sources like solar charge controllers or inverters connected via their DC inputs, as this can damage the unit. How do I program the disconnect/reconnect voltages? You can easily program the desired engage/disengage levels using the VictronConnect app via Bluetooth. Alternatively, one of nine predefined levels can be set using the programming pin. Installation Notes Always ensure the correct orientation: current must flow from the IN (battery) terminal to the OUT (load) terminal. Reverse current flow is strictly forbidden and will damage the device. Install the unit in a well-ventilated area, preferably close to the battery (within 50 cm), but not directly above it due to potential corrosive gases. Use appropriately sized cables and ensure a properly sized fuse is installed between the battery and the Smart Battery Protect, adhering to local regulations. For systems with inverters or inverter/chargers, control them via their remote port using the Smart Battery Protect, rather than connecting their DC inputs directly through the unit. Professional installation by a qualified electrician is highly recommended to ensure safety and optimal performance. Before You Buy Verify your system voltage is 48V DC. This specific model is designed for 48V applications. Confirm your continuous load current does not exceed 100A and peak current does not exceed 250A. Consider your battery type and whether you require the Li-ion mode with a compatible VE.Bus BMS. Always consult the official Victron Energy manual for detailed installation instructions and wiring diagrams specific to your setup. Product specifications are subject to change by the manufacturer. Always refer to the latest official documentation for critical system design and compatibility verification. Solarika is a UK distributor of renewable energy products.
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