Smart BMS 12/200 - Battery management system 12V with Bluetooth
Smart BMS 12/200 is an all-in-one battery management system for Victron Smart LiFePO4 batteries, designed for 12 V systems with an alternator in vehicles and boats. It combines a current limiter, battery combiner and battery protector, protects every cell and offers Bluetooth for monitoring and configuration.
Main features:
- Nominal voltage: 12 V
- Integrated functions: current limiter, battery combiner and battery protector
- Alternator input: current limited to about 90 % of fuse rating
- Peak current: 400 A
- Connectivity: Bluetooth, VictronConnect with Instant Readout
- Construction: aluminium housing, IP65, ignition-proof MOSFET switches
The Smart BMS 12-200 is an all-in-one Battery Management system for Victron Lithium-Iron-Phosphate (LiFePO4) Smart Batteries. It has been specifically designed for 12V systems with a 12V alternator such as in vehicles and boats.
It combines a Current Limiter, Battery Combiner and Battery Protector in a robust and compact solution and lets you safely connect any size 12V alternator (and starter battery), loads and chargers to Smart Lithium batteries.
The Smart BMS 12-200 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 cell voltage, high battery cell voltage or over temperature.
The dedicated alternator connection provides current limiting and one-way traffic from the alternator into the battery, this so any size alternator (and starter battery) can be safely connected to the Smart Lithium battery (or battery bank) and the starter battery is protected from excessive discharge.
The BMS is equipped with Bluetooth for monitoring and configuration, 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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| Peak current | 400 A |
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| Minimum input charge voltage | 13 V |
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| Current consumption, remote on | 17.5 mA |
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| Current consumption, remote off | 6.5 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:
1. ON when the L and H terminal are interconnected
2. ON when the L terminal is pulled to battery minus (V<5V)
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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| Input/output terminals | Screw terminals |
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| VE.Bus terminals | 2 x RJ45 sockets to connect to all VE.Bus products |
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| Power supply cable | Recommended fuse size 0.3 A - 2.5 (dependent on devices connected to Load disconnect and pre-alarm output) |
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| Material | Aluminium |
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| Colour | Blue (RAL 5012) and Black (RAL 9017) |
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| Protection category | IP65 |
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| Weight | 2 kg |
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| Height | 65 mm |
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| Width | 120 mm |
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| Depth | 340 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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| Automotive standard | ECE R10-5 |
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