The Victron BatteryProtect 12/24V-220A is designed to prevent excessive battery discharge by automatically disconnecting non-essential loads. This ensures your battery maintains enough power for critical functions, such as engine starting. This model features a 12/24V auto-ranging capability, allowing it to automatically detect system voltage. It offers a wide voltage range of 6.5 to 35 VDC, making it suitable for various applications, including off-grid systems, marine, and RV setups. The BatteryProtect can be used as a system on/off switch and includes an on/off input for this purpose. It also features a remote input for additional control options. The device is compact and easy to install, ensuring reliable performance in demanding environments. Dimensions: 62 x 123 x 120 mm Weight: 0.8 kg .