The Smart BMS CL 12/100 is a Battery Management system for Victron lithium-iron-phosphate (LiFePO4) Smart Batteries. It combines the functionality of the external BMS along with alternator charging from a 12-volt vehicle into one unit. The maximum charging current from the vehicle alternator/battery through the CL 12/100 is electronically limited to approximately 90% of the fuse rating you use with the unit and configure in the VictronConnect app for the device. For example, if you use a 60 amp fuse, the current will be limited to approximately 50 amps. This BMS supports up to 5x Smart Batteries in parallel. You can read the full details in the product manual.

Note: using this BMS with a Victron Energy MultiPlus II inverter/charger requires a Cable for Smart BMS CL 12/100 to MultiPlus. Similarly, if you’re using a Smart Solar charge controller, you’ll need a VE.Direct non-inverting remote on-off cable. Note that if you use the VE.Direct non-inverting remote on-off cable you won’t be able to connect your solar charge controller to a Cerbo GX since the VE.Direct port will be used. Alternatively, you can use a Smart BatteryProtect (available in 65, 100 and 220 amp versions) between the solar charger output and your system to manage any “charge disconnect” events.

The BMS is also equipped with a remote on/off connector, to turn the BMS (and the system) off via a remote switch, and a pre-alarm contact, to give a warning signal before the BMS will disconnect the batteries from the system.

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