Smart BMS CL 12-100 - Battery management system 12V
Smart BMS CL 12-100 is a battery management system for Victron Smart LiFePO4 batteries, designed for 12 V systems with a 12 V alternator. It monitors every cell and disconnects the alternator, charge sources or DC loads on low voltage, high voltage or over-temperature, while the dedicated alternator input limits the charge current.
Main features:
- Voltage and current: 12 V, 100 A, fuse rating up to 125 A
- Alternator input: current limiting, one-way flow into the battery
- Control outputs: load and charge disconnect, pre-alarm, remote on/off
- Connectivity: Bluetooth, VictronConnect with Instant Readout
- Compatible batteries: up to 20 Lithium Battery Smart units
- Construction: aluminium housing, IP65, -40 to 60 °C
The Smart BMS CL 12-100 is a Battery Management system for Victron lithium-iron-phosphate (LiFePO4) Smart Batteries. It has been specifically designed for 12V systems with a 12V alternator.
The BMS CL 12-100 monitors and protects each individual battery cell within the battery (or battery bank) and will disconnect the alternator, charge sources or DC loads in case of low battery voltage, high battery voltage or over temperature.
The dedicated alternator input provides current limiting and one-way traffic from the alternator into the battery, this so any size alternator (and start battery) can be safely connected to the Smart Lithium battery or batteries.
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.
Technical specifications
| Nominal battery voltage | 12 V |
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| Maximum current | 100 A |
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| Maximum fuse rating | 125 A |
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| Minimum input charge voltage | 13 V |
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| Current consumption, remote on | 16 mA |
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| Current consumption, remote off | 5 mA |
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| Load disconnect output | Normally high (Vbat - 0.1V) |
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| Load disconnect output - source current | 10 mA |
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| Charge disconnect output | Normally high (Vbat - 0.1 V) |
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| Charge disconnect output - source current | 10 mA |
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| Pre-alarm output | Normally free floating High (Vbat) in case of alarm, max. 1 A |
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| Pre-alarm output current rating | 1 A |
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| Remote terminals | Remote L and Remote H
Use modes of the system on/off:
1. ON when the L and H terminal are interconnected
2. ON when the L terminal is pulled to battery minus (V< 5 V)
3. ON when the H terminal is high (V>3 V)
4. OFF in all other conditions |
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| Operating temperature range | -40 … 60 °C |
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| Maximum humidity | 100 % |
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| Power connection | M8 bolts |
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| Battery minus connection | Faston tab 6.3 x 0.8 mm |
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| Battery communication terminals | Terminals with M8 circular connectors |
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| Material | Aluminium |
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| Colour | Blue (RAL 5012) |
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| Protection category | IP65 |
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| Weight | 1.6 kg |
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| Height | 65 mm |
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| Width | 120 mm |
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| Depth | 224 mm |
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| Emission | EN 55014-1, EN-IEC 61000-6-3 |
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| Immunity | EN 55014-2, EN-IEC 61000-6-1, EN-IEC 61000-6-2 |
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