Victron Smart BMS CL 12-100

Victron Smart BMS CL 12-100

Victron Smart BMS CL 12-100

The Victron Smart BMS CL 12-100 provides lithium alternator overload protection. The BMS connects to 12.8V Victron LiFePO4 (LFP) batteries. Up to five batteries can be connected in parallel. It can be used as a system on/off switch. Alternator and battery protection: The input current is electronically limited to approximately 90% of the fuse rating. A 100A fuse, for example, will therefore limit the input current to approximately 90A. Choosing the right fuse will: a. Protect the LFP battery from excessive charging current (important for low-capacity LFP batteries). b. Protect the alternator from overloading a high-capacity LFP battery bank (most 12V alternators will overheat and fail if run at maximum output voltage for more than 5 minutes). Starter battery protection: This function is similar to that of a Cyrix battery combiner or Argo FET battery isolator. Current can only flow to the LFP battery when the input voltage (= voltage on the starter battery) exceeds 13V. Current cannot flow back from the LFP battery to the starter battery, thus preventing possible damage to the LFP battery due to excessive discharging. Li-ion battery protection: Excessive input current and current surges are regulated down to a safe level. The Smart BMS CL will stop charging in the event of cell overvoltage or overtemperature. It has three output voltages, similar to the miniBMS: > Charge disconnect output voltage: The charge output voltage is normally high and becomes floating in the event of imminent cell undervoltage (default 2.8V/cell, adjustable on the battery between 2.6V and 2.8V per cell). Maximum current: 10 mA. The charge output voltage can be used to control the remote on/off input voltage of a battery protector, DC-DC converter, or other loads. Pre-Alarm Output Voltage: The pre-alarm output voltage can be used as a warning when the battery voltage is low and it will trip shortly before the Charge Disconnect output voltage is disabled due to cell undervoltage. The pre-alarm output voltage can be used to drive a relay, LED, or buzzer. It can be configured as a continuous or periodic signal. The pre-alarm output voltage is normally floating and becomes high in the event of imminent cell undervoltage (default 3.1 V/cell, adjustable on the battery between 2.85 V and 3.15 V per cell). Maximum current: 1 A (not short-circuit protected). The minimum delay between pre-alarm and charge disconnect is 30 seconds. Charge Disconnect Output Voltage: The Charger output voltage is normally high and becomes floating in the event of imminent cell overvoltage or overtemperature. Maximum current: 10 mA. The charger output is not suitable for powering an inductive load, such as a relay coil. The charger output can be used to: Remotely on/off a charger, a Cyrix-Li-Charge relay, a Cyrix-Li-ct Battery Combiner. (Note: in some cases an interface cable will be required, please refer to the manual). Remote on/off input voltage The remote on/off input voltage controls alternator charging. When disabled, alternator charging is disabled whilst BMS functionality will remain active, allowing loads and chargers to continue operating regardless of the remote control current status. When “system on/off switch” is enabled via VictronConnect, BMS functionality will also be disabled. It consists of two terminals: Remote L and remote H. A remote on-off switch or relay contact can be connected between H and L. Alternatively, terminal H can be switched to battery plus or terminal L can be switched to battery minus. Ignition protected No relays but MOSFET switches, and therefore no sparks. Bluetooth Can be configured with Bluetooth.

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