REC Active BMS

12V Active balancing BMS

120 Topics 2 Followers

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REC ABMS not recharging after reaching full charge
10/20/22, 5:11 PM • Adam 10/27/22, 10:13 AM

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Adam
10/27/22, 10:13 AM

I turned the MP3k back on and it did eventually begin to ramp down, however my cells were driftin...
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REC Pre-Charge module manual and/or wiring diagram
10/24/22, 9:06 AM • Adam 10/26/22, 9:53 AM

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Richard
10/26/22, 9:53 AM

Awesome, I can take it off of my Todo list :)
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2 REC Active in Parallel batteries
4/30/21, 6:40 AM • TAS 10/26/22, 5:56 AM

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Richard
10/26/22, 5:56 AM

That was a typo. The REC Active BMS is a standalone unit and if it were to be installed in a par...
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ABMS to control alternator field with a twist
10/9/22, 6:21 AM • David 10/21/22, 2:36 PM

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Richard
10/21/22, 2:36 PM

David, I think this post may help with your questions. https://www.offgridsoftwaresolutions...
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ABMS with Smart Shunt
10/6/22, 1:49 PM • David 10/13/22, 5:33 PM

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David
10/13/22, 5:33 PM

For the record, it is possible to drill and tap the back side of a Victron shunt to accept additi...
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Small Boat BMS/LFP with Backup
9/29/22, 6:40 PM • Rick 10/3/22, 12:12 PM

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Rick
10/3/22, 12:12 PM

Revision 10-04-2022 which is 99% there.
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Regarding CAN bus regulated charging.
7/5/22, 2:47 AM • Trond 9/28/22, 2:06 PM

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nebulight
9/28/22, 2:06 PM

mine is my username at gmail .com If you want to send them over. I sent REC an email but still wa...
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Active BMS Fireware updates?
9/24/22, 4:29 PM • nebulight 9/26/22, 12:26 PM

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nebulight
9/26/22, 12:26 PM

Thanks for the explanation. I\'ve reached out to them. Thank you!
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REC-BMS and Wakespeed on BMS-CAN on Cerbo?
9/22/22, 10:50 AM • nebulight 9/26/22, 5:08 AM

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Richard
9/26/22, 5:08 AM

You beat me to it. With the new integration of the WS500 it now needs to be connected on the VE ...
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Adding a pin to the main connector
2/21/21, 10:39 AM • Patrick 8/17/22, 11:36 AM

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Lindsay
8/17/22, 11:36 AM

Does anyone have a wiring diagram for the ABMS and the REC BSLRD and the Blue Sea 7713? thank...
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ABYC and REC
8/12/22, 6:41 AM • Paul 8/12/22, 6:41 AM

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Paul
8/12/22, 6:41 AM

As I read the ABYC requirements there seems to be a need for an Alarm before disconnect, and poss...
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controlling CERBO GX with REC BMS hibernate switch?
6/29/22, 11:16 AM • salvey 6/29/22, 11:16 AM

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Richard
6/29/22, 11:16 AM

From Tine at REC BMS head office: It is programmed as a charge control, but we can custom re-p...
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REC active BMS wiring harness wired wrong?
6/25/22, 3:31 PM • Matthew 6/25/22, 3:36 PM

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Richard
6/25/22, 3:36 PM

Yes, it\'s not clear but that image is from the wire side, not the pin side of that connector.
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Two \"Mechanical\" Questions
6/13/22, 1:00 AM • Jamie 6/13/22, 3:45 AM

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Eboat
6/13/22, 3:45 AM

I share salvey’s befuddlement with the lack of female receptacles for the male connector screws o...
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Settings: Chemistry, Strings & Voltage
1/29/22, 10:47 AM • Jamie 5/31/22, 8:13 PM

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Richard
5/31/22, 8:13 PM

A \"Cycle\" is determined as having been completed by the BMS when the cell pack goes from relati...
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LCD Screen Extension Cable
5/14/22, 9:37 AM • SV 5/16/22, 5:52 AM

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Richard
5/16/22, 5:52 AM

Yes, something like this should do the trick. https://www.amazon.com/StarTech-com-Black-Straig...
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Configuring REC Active BMS using only the WIFI Module
4/15/22, 8:34 PM • Rich 4/17/22, 3:43 PM

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Rich
4/17/22, 3:43 PM

I knew I was missing something. Thanks so much for the prompt response - especially on a holiday...
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Status of Contactors & Etc.?
3/20/22, 4:47 PM • Jamie 3/23/22, 7:47 PM

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Jamie
3/23/22, 7:47 PM

Thanks. Do you think you\'ll add status of contactors to the WiFi interface? Seems overkill to...
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REC Active Manual Errata?
3/3/22, 2:55 PM • edwardc 3/3/22, 3:28 PM

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Richard
3/3/22, 3:28 PM

The diagram on page 7 is correct. All wire numbering is correct on both pages but on page 8 the ...
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REC Active BMS: Charge and Load Disconnect similar to VE.Bus
2/16/22, 6:35 PM • Sebastian 3/3/22, 3:02 PM

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Richard
3/3/22, 3:02 PM

Hi Gary, In a 24V system you would use the REC Q Series BMS to provide the following functiona...
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Resetting Active BMS?
1/31/22, 3:15 PM • Jamie 2/1/22, 6:19 PM

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Jamie
2/1/22, 6:19 PM

Thank you Rick. Much appreciated.
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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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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...
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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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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...
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REC-Active BMS Balance issue?
1/27/22, 2:41 PM • nebulight 1/28/22, 4:06 AM

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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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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...
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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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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...
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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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Richard
11/1/21, 11:11 AM

That\'s a great idea! Thanks for sharing
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REC Active BMS Victron Compatible?
4/11/21, 7:30 AM • TAS 6/29/21, 9:25 PM

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

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

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

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

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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...
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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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kenny
3/5/21, 6:18 PM

So it\'s only a firmware upgrade? Hardware is the same. That\'s great news.
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SOC Question
3/3/21, 7:03 AM • Patrick 3/4/21, 5:45 PM

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

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

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

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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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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...
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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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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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