BMS 12/200

Original price was: €154.00.The current price is: €153.00. + VAT

BMS 12/200

BMS 12/200 (Battery Management System) for 12,8 Volt lithium-iron-phosphate batteries. Specially designed for vehicles and boats and photovoltaics.

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Victron Battery Management System BMS 12/200

BMS 12/200 for 12,8 Volt Lithium-Iron-Phosphate batteries Specially designed for vehicles and boats
The MS 12/200 ensures:

  • 12V 200A load output, short circuit proof
  • Li-ion battery over-discharge protection
  • Starter battery discharge protection
  • Adjustable alternator current limit
  • On-off switch with remote control

Why you need a Battery Management System (BMS):
1. An LFP cell will be destroyed if the voltage across the cell drops to less than 2,5V.

2. An LFP cell will be destroyed if the voltage across the cell rises to more than 4,2 V. Lead-acid batteries will eventually also be destroyed when they are deeply discharged or overcharged, but not immediately. A lead-acid battery will recover from total discharge even after being left in a discharged state for days or weeks (depending on the type and brand of battery).

3. The cells of an LFP battery do not automatically balance at the end of the charge cycle. The cells of a battery are not 100% identical. Therefore, when recycled, some cells will be fully charged or discharged sooner than others. Differences will increase if the cells are not balanced/balanced from time to time.

In a lead-acid battery a small current will continue to flow even after one or more cells are fully charged (the main effect of this current is the decomposition of water into hydrogen and oxygen). This current helps to fully charge other lagging cells, thus equalizing the state of charge of all cells.

However, the current flowing through a fully charged LFP cell is almost zero, and therefore lagging cells will not be fully charged. Over time the differences between cells can become so extreme that even though the overall battery voltage is within limits, some cells will be damaged by over or under voltage.

Therefore, a LiFePO battery must be protected by a BMS that actively balances individual cells and prevents under- and over-voltage

Specifications

 

Features 

 

Small BMS 

 

VE.Bus BMS V2 

 

VE.Bus BMS 

 

Lynx Smart BMS 

 

Smart BMS CL 12/100 

 

Smart BMS 12/200 

System voltage  12, 24 or 48 V  12, 24 or 48 V  12, 24 or 48 V  12, 24 or 48 V  12 V  12 V 
System connection  No  No  No  500 A  No  200 A 
 

Alternator port 

 

No 

 

No 

 

No 

Yes (Alternator ATC mode)   

100 A 

 

100 A 

battery monitor  No  No  No  Yes  No  No 
Bluetooth  No  No  No  Yes  Yes  Yes 
 

 

data communication 

 

 

No 

 

VE.Bus communication with inverter/charger(s) and a GX device. 

VE.Bus communication only directly with inverter/charger(s), not with a GX device.   

VE. Can communicate with a GX device 

 

NMEA2000 

 

 

No 

 

 

No 

Control via GX device (DVCC)   

No 

 

Yes 

 

No 

 

Yes 

 

No 

 

No 

Allowed to discharge terminal(s)  High/free floating 1 A  High/free floating 1 A  High/free floating 2 A  relay 

0.5 A 

High/free floating 10 mA  High/free floating 10 mA 
Allowed to charge terminal(s)  High/free floating 10 mA  High/free floating 10 mA  High/free floating 10 mA  relay 

0.5 A 

High/free floating 10 mA  High/free floating 10 mA 
 

Pre-alarm terminal(s) 

 

Free floating/high 1 A 

 

Free floating/high 1 A 

 

Free floating/high 1 A 

Programmable relay 

2 A 

 

Free floating/high 1 A 

 

Free floating/high 1 A 

 

Remote on/off terminal 

 

Yes 

 

Yes 

 

No 

 

Yes 

 

Yes 

 

Yes 

Auxiliary output  No  Yes, 1 A  No  Yes, 1.1 A  No  No 
Auxiliary input  No  Yes, 1 A  No  No  No  No 
Weight 3 m.

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