REC Active BMS

12V Active balancing BMS

99 Topics 2 Followers

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ABMS + Victron Multiplus 3k - Max Charge Amps & Settings
1/29/22, 2:42 PM • Jamie 1/30/22, 10:45 AM

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783
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Jamie
1/30/22, 10:45 AM

I think I figured it out. I\'m bench testing everything in my garage with the inverter plugged in...
R

REC Active BMS 2 relay operation with DCH and CH, RE1LO and RE1HI
1/28/22, 5:22 AM • Richard 1/28/22, 5:22 AM

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1
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856
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Richard
1/28/22, 5:22 AM

This was originally a reply to another post. Relay DCH is meant to be connected to all Victron...
n

REC-Active BMS Balance issue?
1/27/22, 2:41 PM • nebulight 1/28/22, 4:06 AM

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2
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1.1k
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Richard
1/28/22, 4:06 AM

It looks like the BMS is pulling back before your BMS starts to balance. You can try to enable...
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Missing Instruction set
1/7/22, 7:26 AM • Pete 1/24/22, 4:59 AM

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1.3k
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Richard
1/24/22, 4:59 AM

Pete, the way the \"Victron\" version of the ABMS works is like this. Relay DCH is meant to be...
P

Unable to connect to REC Active (Error 1073807343)
1/2/22, 1:44 PM • Pete 1/6/22, 1:45 PM

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2.9k
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Pete
1/6/22, 1:45 PM

Ha! One DOA factory original USB cable. I just got my new OffGrid cable, connected it and lo a...
G

Long Term Storage with REC Active BMS - Victron Setup
10/8/21, 4:11 PM • Greg 11/1/21, 11:11 AM

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1.3k
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Richard
11/1/21, 11:11 AM

That\'s a great idea! Thanks for sharing
T

REC Active BMS Victron Compatible?
4/11/21, 7:30 AM • TAS 6/29/21, 9:25 PM

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1.6k
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Rick
6/29/21, 9:25 PM

You can find the complete list when you build your BMS kit here. After adding accessories just s...
F

Help with REC ABMS?
6/5/21, 9:50 PM • Floatyboaty 6/6/21, 3:33 AM

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2k
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Richard
6/6/21, 3:33 AM

It sounds like you tried to wire your cells while the harness was connected to the BMS. The maxi...
E

Help: cannot energize Contactor via BMS pin 4
4/1/21, 9:19 AM • Eboat 4/5/21, 4:33 PM

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1.4k
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Eboat
4/5/21, 4:33 PM

Thanks, yes if didn\'t connect pin 5 to 12v. I had assumed that the 12v going to the BMS would h...
P

Needing help with the CAN bus
3/31/21, 6:55 AM • Patrick 4/5/21, 4:29 PM

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4.4k
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Eboat
4/5/21, 4:29 PM

I haven\'t set any of the relays on the Cerbo yet. As of now all I need for switching will come ...
P

REC WiFi Module
4/4/21, 7:57 AM • Patrick 4/4/21, 8:03 AM

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2
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1.2k
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Richard
4/4/21, 8:03 AM

hey Patrick, Yes, we just started shipping them this past week. Sorry we didnt reac...
P

Cutting BMS Wires
3/10/21, 6:04 AM • Patrick 3/11/21, 6:17 PM

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4
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4.7k
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Rick
3/11/21, 6:17 PM

Nothing is jumping out at me here Patrick. My reference to battery pack cable lengths only appli...
R

What is the benefit of having the REC BMS talk to my WS500?
3/5/21, 1:56 PM • Richard 3/5/21, 6:18 PM

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1.4k
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kenny
3/5/21, 6:18 PM

So it\'s only a firmware upgrade? Hardware is the same. That\'s great news.
P

SOC Question
3/3/21, 7:03 AM • Patrick 3/4/21, 5:45 PM

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1.4k
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Patrick
3/4/21, 5:45 PM

Thanks for your reply. Yes I understand and think my small battery capacity can alter the effect ...
t

4S REC BMS question
2/15/21, 7:30 PM • tech 2/21/21, 10:31 AM

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1.4k
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Patrick
2/21/21, 10:31 AM

Why would full scale for a 4S configured BMS be set at 34 volts? Isn’t 4S by definition a BMS fo...
t

REC software error on exit
2/15/21, 7:35 PM • tech 2/19/21, 1:52 PM

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5
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2.8k
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Patrick
2/19/21, 1:52 PM

Thank you Tine. That was helpful. I opened the program as an admin and that must have changed th...
R

My charging current is reading negative
2/14/21, 4:41 PM • Richard 2/14/21, 7:21 PM

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1.5k
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Patrick
2/14/21, 7:21 PM

Thanks Rick, this is one of my questions that I did figure out as I found it in the online manual...
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How to find and input the Serial number
11/18/20, 2:17 AM • Richard 11/18/20, 2:23 AM

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2
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3.2k
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Richard
11/18/20, 2:23 AM

For the Active BMS (12v) there is a label on the bottom of the unit, attached is a photo from my...
R

REC Active BMS now in stock in USA!
10/21/20, 8:20 AM • Richard 10/21/20, 8:20 AM

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1
Posts

1.2k
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Richard
10/21/20, 8:20 AM

No more over seas shipping costs. REC BMS\'s are now stocked in the USA

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no Tacho even with forced tachomode

Latest: Andre 4/1/25, 8:27 AM

WS500 User Installation and Programming Questions
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REC Active BMS
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ABMS/2Q firmware with additional CAN messages

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ABMS/2Q firmware with additional CAN messages

Latest: Rick 3/31/25, 11:40 AM

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ABMS/2Q firmware with additional CAN messages

Latest: o-firstname 3/31/25, 2:50 AM

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REC Active BMS

ABMS + Victron Multiplus 3k - Max Charge Amps & Settings 1/29/22, 2:42 PM • Jamie 1/30/22, 10:45 AM

REC Active BMS 2 relay operation with DCH and CH, RE1LO and RE1HI 1/28/22, 5:22 AM • Richard 1/28/22, 5:22 AM

REC-Active BMS Balance issue? 1/27/22, 2:41 PM • nebulight 1/28/22, 4:06 AM

Missing Instruction set 1/7/22, 7:26 AM • Pete 1/24/22, 4:59 AM

Unable to connect to REC Active (Error 1073807343) 1/2/22, 1:44 PM • Pete 1/6/22, 1:45 PM

Long Term Storage with REC Active BMS - Victron Setup 10/8/21, 4:11 PM • Greg 11/1/21, 11:11 AM

REC Active BMS Victron Compatible? 4/11/21, 7:30 AM • TAS 6/29/21, 9:25 PM

Help with REC ABMS? 6/5/21, 9:50 PM • Floatyboaty 6/6/21, 3:33 AM

Help: cannot energize Contactor via BMS pin 4 4/1/21, 9:19 AM • Eboat 4/5/21, 4:33 PM

Needing help with the CAN bus 3/31/21, 6:55 AM • Patrick 4/5/21, 4:29 PM

REC WiFi Module 4/4/21, 7:57 AM • Patrick 4/4/21, 8:03 AM

Cutting BMS Wires 3/10/21, 6:04 AM • Patrick 3/11/21, 6:17 PM

What is the benefit of having the REC BMS talk to my WS500? 3/5/21, 1:56 PM • Richard 3/5/21, 6:18 PM

SOC Question 3/3/21, 7:03 AM • Patrick 3/4/21, 5:45 PM

4S REC BMS question 2/15/21, 7:30 PM • tech 2/21/21, 10:31 AM

REC software error on exit 2/15/21, 7:35 PM • tech 2/19/21, 1:52 PM

My charging current is reading negative 2/14/21, 4:41 PM • Richard 2/14/21, 7:21 PM

How to find and input the Serial number 11/18/20, 2:17 AM • Richard 11/18/20, 2:23 AM

REC Active BMS now in stock in USA! 10/21/20, 8:20 AM • Richard 10/21/20, 8:20 AM

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Latest topics

no Tacho even with forced tachomode

EEprom memory corruption - shutdown

rec bms and victron multiplus 3000 12v and cerbo gx will not go into float mode

WS500-PRO & REC Active BMS config.json

ABMS/2Q firmware with additional CAN messages

Latest posts

no Tacho even with forced tachomode

ABMS/2Q firmware with additional CAN messages

ABMS/2Q firmware with additional CAN messages

ABMS/2Q firmware with additional CAN messages

ABMS/2Q firmware with additional CAN messages

Forum statistics

Newest members

Andre

Andre

Aaron

Rob

Johannes

Most liked authors

Richard

Rick

Bill C.

Trond

Ben

Trond

tine

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ABMS + Victron Multiplus 3k - Max Charge Amps & Settings
1/29/22, 2:42 PM • Jamie 1/30/22, 10:45 AM

REC Active BMS 2 relay operation with DCH and CH, RE1LO and RE1HI
1/28/22, 5:22 AM • Richard 1/28/22, 5:22 AM

REC-Active BMS Balance issue?
1/27/22, 2:41 PM • nebulight 1/28/22, 4:06 AM

Missing Instruction set
1/7/22, 7:26 AM • Pete 1/24/22, 4:59 AM

Unable to connect to REC Active (Error 1073807343)
1/2/22, 1:44 PM • Pete 1/6/22, 1:45 PM

Long Term Storage with REC Active BMS - Victron Setup
10/8/21, 4:11 PM • Greg 11/1/21, 11:11 AM

REC Active BMS Victron Compatible?
4/11/21, 7:30 AM • TAS 6/29/21, 9:25 PM

Help with REC ABMS?
6/5/21, 9:50 PM • Floatyboaty 6/6/21, 3:33 AM

Help: cannot energize Contactor via BMS pin 4
4/1/21, 9:19 AM • Eboat 4/5/21, 4:33 PM

Needing help with the CAN bus
3/31/21, 6:55 AM • Patrick 4/5/21, 4:29 PM

REC WiFi Module
4/4/21, 7:57 AM • Patrick 4/4/21, 8:03 AM

Cutting BMS Wires
3/10/21, 6:04 AM • Patrick 3/11/21, 6:17 PM

What is the benefit of having the REC BMS talk to my WS500?
3/5/21, 1:56 PM • Richard 3/5/21, 6:18 PM

SOC Question
3/3/21, 7:03 AM • Patrick 3/4/21, 5:45 PM

4S REC BMS question
2/15/21, 7:30 PM • tech 2/21/21, 10:31 AM

REC software error on exit
2/15/21, 7:35 PM • tech 2/19/21, 1:52 PM

My charging current is reading negative
2/14/21, 4:41 PM • Richard 2/14/21, 7:21 PM

How to find and input the Serial number
11/18/20, 2:17 AM • Richard 11/18/20, 2:23 AM

REC Active BMS now in stock in USA!
10/21/20, 8:20 AM • Richard 10/21/20, 8:20 AM