VICTRON ENERGY Battery Protect BP-48-100, 48 V, 100 A (BPR048100400)

The Victron Battery-Protect BP-48-100 (MPN BPR048100400) disconnects the battery from less important loads before it is fully discharged.

• For 48V battery banks, 100A maximum continuous current
• Can be controlled and monitored via VE.Bus BMS

The Battery-Protect is very flexible and can be set to different disconnect voltages. The exact values can be found in the manual of this article.

For most disconnect thresholds there are different reconnect thresholds that can be selected. This makes this device the perfect protection for your battery and ensures maximum lifetime, because most voltage converters or charge controllers have an undervoltage protection, but it only kicks in at quite low values. The higher this disconnect threshold is, the longer you will enjoy your batteries, which are usually quite expensive.

• Selection of the disconnect threshold

Depending on the battery type, different minimum battery voltages must be maintained to avoid damaging the battery. Depending on the application of the battery, it may be necessary to change these limits. Manufacturers also give different specifications for their batteries. Therefore, always check with the battery manufacturer which disconnect threshold is right for your battery!

• Key product features summarized
• For 48V battery banks
• 6 different disconnect voltages selectable

Easy programming and status display of settings via seven-segment display

Extra mode for lithium batteries – in this mode the BP can be controlled by the VE.Bus BMS

• Very low power consumption

Explosion protection through integrated MOSFET switches that replace relays and thus reduce the risk of sparking to zero

• Integrated alarm output
• Output for delayed alarm

The alarm output is activated when the battery voltage drops below the preset disconnect value for more than 12 seconds. Starting the engine therefore does not activate the alarm. The alarm output is a short-circuit protected open collector output connected to the negative (minus) rail. Max. current 50 mA. The alarm output is normally used to activate a buzzer, LED or relay.

• Load disconnect and reconnect delay

The load is disconnected 90 seconds after the alarm is activated. If the battery voltage rises again to the reconnect threshold within this period (for example after the engine is started), the load will not be disconnected. The load is reconnected 30 seconds after the battery voltage exceeds the preset reconnect voltage.