VICTRON BATTERY PROTECT 48V-100A Energy Connections


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Data Sheet Link Here


With 7-segment LED display: easy to set up.

The Battery Protect disconnects the battery from non-essential loads before it is completely discharged (which would damage the battery) or before it has sufficient power left to crank the engine.

12/24V Auto Ranging

The BatteryProtect automatically detects system voltage.

Programming Made Easy

The BatteryProtect can be set to engage/ disengage at several different voltages. The seven segment display will indicate which setting has been chosen.

A Special Setting For Li-ion Batteries

In this mode the Battery protects can be controlled by the VE.Bus BMS. Note: The Battery protect can also be used as a charge interrupter in between a battery charger and a Li-ion battery. (see manual)

Ultra Low Current Consumption

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

Over-Voltage Protection

To prevent damage to sensitive loads due to overvoltage, the load is disconnected whenever the DC voltage exceeds 16V respectively 32V.

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 50mA. The alarm output is typically used to activate a buzzer, LED or relay.

Delayed Load Disconnect And Delayed Reconnect

This load will be disconnected 90 seconds after the alarm has been activated. 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.


Connection: M8

Weight: 0.8kg

Dimensions: 62mm(H) x 123mm(W) x 120mm(D)