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Victron Energy BMS300200000 VE Bus BMS
Victron VE Bus BMS - Battery Management Systems for Lithium Ion Batteries
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Victron Energy BMS300200000 VE Bus BMS
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$139.00
$118.15
Control system for Victron 12 Volt Lithium Ion battery banks
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BMS300200000
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Description
Questions and Answers
Additional information
The BMS is designed for use with Victron Lithium Iron Phosphate batteries. Its function is to manage the battery bank and prevent overcharging or over discharging.
Shuts down or disconnect loads in case of imminent cell under voltage, -
Reduces charge current in case of imminent cell overvoltage or over temperature (VE.Bus products only)
Shuts down or disconnects battery chargers in case of imminent cell overvoltage or over temperature.
The operating voltage range of the BMS is from 9 to 70V DC.
The VE.Bus BMS connects to a MultiPlus, Quattro or Phoenix inverter with a standard RJ45 UTP cable.
The Load Disconnect output can be used to control the remote on/off of a load or electronic relay
The Charge Disconnect output can be used to control the remote on/off of a charger, load relay or battery combiner
In the very basic wiring diagram below there is a generic battery charger with a charge relay to turn it off when necessary and a load relay that turns off when the battery is getting over discharged. This diagram is the most basic one and doesn't use the ability of the BMS to communicate on the VE Bus network
For a selection of more elaborate wiring schemes see the following Victron publication:
Additional Li-ion battery circuit suggestions
Q:
Can this be used with two banks one is lead acid and other day lithium ?
Asked by:
mike
- 3/17/2019
A:
This BMS is ONLY for Victron Smart Lithium Batteries. It doesnt work with any other kind of batteries, not even with other brands of lithium battery. It has a data cable that connects to circuitry inside the battery.
Its quite normal to have a starting battery with a different chemistry. The BMS can control devices such as the Cyrix-Li-Ct that can combine the two different banks under certain circumstances but doesnt directly interact in any way with the lead acid battery itself.
My blog section on Lithium Batteries has more details
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Answer provided by:
Peter Kennedy (3/18/2019)
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Q:
Converting my 1999 Eurovan camper from ~100ah Lead Acid to 60-100AH LiFePO4. looking for simplest and most reliable system possible. Best recomendations? thinking battery + VE Bus BMS + Cyrix-Li-ct, unless battery has built-in BMS. Sound good? Factory wiring and minimal 12v appliances, no draw over 12v/10A continuous. Thanks!
Asked by:
tbart
- 7/31/2018
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