Victron Smart BatteryProtect 12/24V-65A

Victron Smart BatteryProtect 12/24V-65A

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Protects the battery against excessive discharge and can be used as a system on/off switch


The Smart BatteryProtect disconnects the battery from non-essential loads before it is completely discharged (which would damage the battery) or before it has insufficient power left to crank the engine. The on/off input can be used as a system on/off switch.




12/24V auto ranging


The Smart BatteryProtect automatically detects system voltage one time only




Bluetooth: programming made easy


When using Bluetooth to program the Smart BatteryProtect any required engage/disengage levels can be set. Alternatively, one of nine predefined engage/disengage levels can be set with the programming pin (see manual). If required, Bluetooth can be disabled.




A special setting for Li-ion batteries


In this mode the BatteryProtect can be controlled by the VE.Bus BMS.


Note: the BatteryProtect can also be used as a charge interrupter in between a battery charger and a Li-ion battery. See connection diagram in the manual.




Ultra-low current consumption


This is important in case of Li-ion batteries, especially after low voltage shutdown. Please see our Li-ion battery datasheet and the VE.Bus BMS manual for more information.




Over voltage protection


To prevent damage to sensitive loads due to over voltage, the load is disconnected whenever the DC voltage exceeds 16.3V respectively 32.6V.




Ignition proof


No relays but MOSFET switches, and therefore no sparks.




Delayed alarm output


The alarm output is activated if the battery voltage drops below the preset disconnect level during more than 12 seconds. Starting the engine will therefore not activate the alarm. The alarm output is a short circuit proof open collector output to the negative (minus) rail, max. current 50 mA. The alarm output is typically used to activate a buzzer, LED or relay.




Delayed load disconnect and delayed reconnect


The load will be disconnected 90 seconds after the battery voltage drops below the preset level. If the battery voltage increases again to the connect threshold within this time period (after the engine has been started for example), the load will not be disconnected. The load will be reconnected 30 seconds after the battery voltage has increased to more than the preset reconnect voltage.