REC Active BMS

12V Active balancing BMS

99 Topics 2 Followers

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rec bms and victron multiplus 3000 12v and cerbo gx will not go into float mode
3/12/25, 3:26 PM • tom 3/28/25, 1:35 PM

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tom
3/28/25, 1:35 PM

another question about float. is it even necessary to float lithium batteries?&...
T

2.94 Firmware Update Issue Rec A BMS
9/13/24, 5:31 PM • Trevor 3/18/25, 10:19 PM

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Richard
3/18/25, 10:19 PM

@Rick I went through the steps just as you described them. Well, I cheated just a little on...
o

Bricked ABMS?
1/31/25, 10:07 PM • o-firstname 3/17/25, 4:24 AM

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187
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Richard
3/17/25, 4:24 AM

I received the spare parts an installed the new wire loom with no effect. The new BMS worke...
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Unable to check unlisted settings using the WIFI module
5/19/24, 6:19 AM • Richard 3/9/25, 11:13 PM

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Rick
3/9/25, 11:13 PM

Great! Thanks for the feedback
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ABMS/2Q firmware with additional CAN messages
2/6/25, 3:44 AM • tine 2/23/25, 10:43 AM

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o-firstname
2/23/25, 10:43 AM

@tine Are you planning to integrate it to the control panel main screen? I'm not sure...
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Relay switching capacity of the REC BMS
3/4/21, 5:53 PM • Patrick 2/20/25, 6:37 AM

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Sturla
2/20/25, 6:37 AM

Hi @Ben How do you wire the TBS with "control with one wire" to the REC ABMS? Br Sturla
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Rec data to home assistant
10/10/24, 5:05 PM • Neil 2/1/25, 2:15 PM

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Rick
2/1/25, 2:15 PM

That would be a great idea. Very nice HMI.
W

Possibly bricked BMS after latest firmware update from Tine. bms_1A_Victron_v2_93_2_tasks_WORK.bin
6/12/24, 11:20 AM • W 2/1/25, 11:54 AM

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o-firstname
2/1/25, 11:54 AM

@W Any chance you could give a more detailed explination of what Tine had you do? Maybe co...
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ABYC E-13 requirements implementation and integration
10/4/24, 1:02 PM • Stefano 2/1/25, 11:42 AM

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o-firstname
2/1/25, 11:42 AM

@Stefano Greetings all. I am configuring and integrating a LiFePo4 stans alone 3P4S 12V (...
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Precharge with Tyco relays
1/15/25, 1:19 PM • Johan 1/15/25, 1:19 PM

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1
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23
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Johan
1/15/25, 1:19 PM

Hi, I need some help. Setup: REC Active BMS Tyco relays Pre charge unit I have a Victron Mul...
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Number of inverter/charger devices, will 1 still allow the cerbo to control multiples?
1/5/25, 10:09 AM • Matt 1/7/25, 1:08 PM

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Matt
1/7/25, 1:08 PM

Great, that makes sense. Thanks
L

REC ABMS 2.94 download link broken?
12/22/24, 5:20 AM • Lure 12/22/24, 5:20 AM

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1
Posts

38
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Lure
12/22/24, 5:20 AM

I cannot get firmware from this download link: https://rec-bms-na.com/rec-bms-releases-new-activ...
N

Abms green flashing and dissappeared
12/14/24, 8:19 AM • Neil 12/16/24, 1:16 PM

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5
Posts

51
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Neil
12/16/24, 1:16 PM

@Rick a couple of reboots and CAN details are all back working on the Cerbo screen, something obv...
J

Power relays
9/15/24, 2:58 AM • Johan 9/16/24, 9:40 AM

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Sturla
9/16/24, 9:40 AM

Cool! It sure looks a bit more professional than my relay interface boxes that does more or less ...
M

BMS 1A NEWBIE WITH AN ISSUE
9/3/24, 12:20 PM • Mark 9/6/24, 3:10 PM

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6
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96
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Rick
9/6/24, 3:10 PM

Hi, congratulations on your new boat! To use the Victron smart shunt, you need to have the shunt...
W

Troubleshooting precharge unit.
8/12/24, 9:30 PM • W 8/13/24, 10:29 AM

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3
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66
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Rick
8/13/24, 10:29 AM

On the more recent version of the precharge module there is a board mounted fuse that might be th...
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ABMS BMS Errors Memory Internal memory problems detected after update to v2.92
8/3/24, 10:14 AM • Jonas 8/5/24, 11:23 AM

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3
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94
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Rick
8/5/24, 11:23 AM

Hey Jonas, There is currently no bulk delete option and your solution was a great idea. I am in...
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Cooked Nation's Alternator with Wakespeed/Victron/Rec Active BMS system. Need help troubleshooting BMS after replacement
6/10/24, 11:48 AM • W 6/10/24, 2:53 PM

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4
Posts

96
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W

W
6/10/24, 2:53 PM

Well, I pulled the bms and checked all the fuses, which were all good. When I reassembled everyth...
T

Cell Voltage, BMS, Error in Cell Voltage Reading and Sudden Voltage Drop
5/12/24, 6:05 PM • Trevor 5/31/24, 1:19 PM

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159
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Rick
5/31/24, 1:19 PM

Ok Trevor, we can do that for you. Please contact us at support@ogm-energy.com and we'll ge...
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Erratic reading from current shunt
4/15/23, 2:26 PM • Darryl 5/20/24, 3:07 AM

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639
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tine
5/20/24, 3:07 AM

Resistors are 330 Ohms. Maybe there is a bad connection from the cable to the crimp or fronm the ...
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BMS seems not doing the job after upgrade
5/3/24, 10:25 PM • Edward 5/11/24, 7:53 PM

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112
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Edward
5/11/24, 7:53 PM

If 183Ah use, SOC should be only ±85%??? 100-(183÷1200x100%)
C

REC Active BMS does not resume charging ?
4/16/24, 6:43 AM • Christopher 4/19/24, 6:57 AM

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Ben
4/19/24, 6:57 AM

@Christopher , The max charge, float setting en recharge settings is just one example to get the...
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BMS 12p4s setup
4/17/24, 12:04 AM • tom 4/17/24, 12:10 PM

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4
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Rick
4/17/24, 12:10 PM

You may want to consider adding one of these to allow your DD alt. help charge and top off/balanc...
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difficulty updating the BMS to v2.92.1 using the WiFi module.
4/12/24, 7:40 PM • Stan 4/17/24, 12:06 AM

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2
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70
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Stan
4/17/24, 12:06 AM

It turns out that I was powering the WiFi module from the switched side of the contactor, and not...
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How to increase the maximum discharge current
4/12/24, 11:05 AM • Christopher 4/12/24, 12:16 PM

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3
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Christopher
4/12/24, 12:16 PM

Yes, I am not your client, I am REC d.o.o. Slovenia, but there I often don't get an answer.I read...
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WiFi FW Temperature error Error in WiFi FW 1.62-12
3/12/24, 4:51 PM • Edward 4/8/24, 12:01 AM

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139
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Edward
4/8/24, 12:01 AM

@Rick Thanks for the notice. @tine Thanks for the quick turnaround. I have downloaded and inst...
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Error in Firmware 2.9.2-2
3/26/24, 4:47 PM • Edward 3/26/24, 4:47 PM

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1
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63
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Edward
3/26/24, 4:47 PM

In my continuing regression testing of an existing two-contactor system (Charge Bus and Load Bus)...
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Opto Lines Driving Capability
3/13/24, 3:46 PM • Edward 3/13/24, 5:16 PM

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2
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111
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Rick
3/13/24, 5:16 PM

no, they are meant to drive something like an LED directly. If you want to drive a larger l...
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Can't remove micro SD card from WiFi Module
2/26/24, 3:26 PM • Edward 3/12/24, 4:22 PM

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133
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Edward
3/12/24, 4:22 PM

After formatting the SD card and loading the spiffs and updates files onto it, and powering up wa...
a

Hibernate on REC Actice BMS
1/24/24, 9:08 AM • andrew 1/25/24, 8:41 AM

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109
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andrew
1/25/24, 8:41 AM

thank you
R

How to manage state of charge while on shore power
6/28/22, 5:24 PM • Rich 1/22/24, 9:46 PM

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1.3k
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Richard
1/22/24, 9:46 PM

I've created a Node-Red flow that solves this problem perfectly. It has a dashboard interfa...
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Split Charge/Load busses setup
12/31/23, 4:25 PM • Ronald 1/4/24, 11:02 AM

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223
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Ronald
1/4/24, 11:02 AM

I wonder if there is an issue with the module 2 precharge unit. The 6 pin descriptions are ...
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REC ABMS with split bus firmware - how to specify different discharge and charge temps?
12/26/23, 12:31 PM • John 1/3/24, 5:27 AM

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106
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tine
1/3/24, 5:27 AM

Charge current is only set to 0 A when the temperature goes under the Under-temperature for charg...
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BMS Contactor Switch Contactor/Switch Options
12/12/23, 11:41 AM • Geoff 12/26/23, 5:39 PM

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111
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Geoff
12/26/23, 5:39 PM

John,I considered the Blue Sea swtich - it's a good switch (I have one and like it), but for my L...
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Correct Firmware to use for Two Contactor Configuration
12/5/23, 3:54 PM • Edward 12/7/23, 4:03 PM

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2
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129
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Rick
12/7/23, 4:03 PM

In the 2.9.2 firmware update there is a file called bms_1A_Victron_v2_92_2_tasks.bin that should ...
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Downgrading firmware
12/5/23, 3:57 PM • Edward 12/7/23, 3:58 PM

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4
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84
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Rick
12/7/23, 3:58 PM

Yes, I have downgraded several times while testing with the PC software and RS485 cable, but have...
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Pin Connections
11/22/23, 1:07 PM • Geoff 11/26/23, 6:09 PM

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5
Posts

81
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Geoff
11/26/23, 6:09 PM

Rick,Thanks for the update - things make more senses now!One question - on the updated diagram sh...
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REC ACTIVE BMS CAN-BUS Compatibility
11/15/23, 2:28 PM • Raymond 11/15/23, 2:28 PM

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1
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70
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Raymond
11/15/23, 2:28 PM

I am installing a Rec Active BMS and I am concerned about the Can-Bus wiring or compatibity with ...
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REC-BMS ABMS and Victron with Raspberry PI not Cerbo GX
8/16/22, 9:20 AM • Lindsay 11/12/23, 12:27 AM

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5
Posts

585
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Edward
11/12/23, 12:27 AM

I'm running Venus OS on an RPi4, using the inexpensive Innomaker USB to CAN cable to talk to the ...
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Will it work? 3P4S @ 690ah
2/11/23, 2:22 PM • Rance 10/30/23, 8:12 PM

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294
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Cedar
10/30/23, 8:12 PM

@Chris yes, REC Active BMS. My system is 1120 ah, so only slightly over the recommended amount, b...

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REC Active BMS

rec bms and victron multiplus 3000 12v and cerbo gx will not go into float mode 3/12/25, 3:26 PM • tom 3/28/25, 1:35 PM

2.94 Firmware Update Issue Rec A BMS 9/13/24, 5:31 PM • Trevor 3/18/25, 10:19 PM

Bricked ABMS? 1/31/25, 10:07 PM • o-firstname 3/17/25, 4:24 AM

Unable to check unlisted settings using the WIFI module 5/19/24, 6:19 AM • Richard 3/9/25, 11:13 PM

ABMS/2Q firmware with additional CAN messages 2/6/25, 3:44 AM • tine 2/23/25, 10:43 AM

Relay switching capacity of the REC BMS 3/4/21, 5:53 PM • Patrick 2/20/25, 6:37 AM

Rec data to home assistant 10/10/24, 5:05 PM • Neil 2/1/25, 2:15 PM

Possibly bricked BMS after latest firmware update from Tine. bms_1A_Victron_v2_93_2_tasks_WORK.bin 6/12/24, 11:20 AM • W 2/1/25, 11:54 AM

ABYC E-13 requirements implementation and integration 10/4/24, 1:02 PM • Stefano 2/1/25, 11:42 AM

Precharge with Tyco relays 1/15/25, 1:19 PM • Johan 1/15/25, 1:19 PM

Number of inverter/charger devices, will 1 still allow the cerbo to control multiples? 1/5/25, 10:09 AM • Matt 1/7/25, 1:08 PM

REC ABMS 2.94 download link broken? 12/22/24, 5:20 AM • Lure 12/22/24, 5:20 AM

Abms green flashing and dissappeared 12/14/24, 8:19 AM • Neil 12/16/24, 1:16 PM

Power relays 9/15/24, 2:58 AM • Johan 9/16/24, 9:40 AM

BMS 1A NEWBIE WITH AN ISSUE 9/3/24, 12:20 PM • Mark 9/6/24, 3:10 PM

Troubleshooting precharge unit. 8/12/24, 9:30 PM • W 8/13/24, 10:29 AM

ABMS BMS Errors Memory Internal memory problems detected after update to v2.92 8/3/24, 10:14 AM • Jonas 8/5/24, 11:23 AM

Cooked Nation's Alternator with Wakespeed/Victron/Rec Active BMS system. Need help troubleshooting BMS after replacement 6/10/24, 11:48 AM • W 6/10/24, 2:53 PM

Cell Voltage, BMS, Error in Cell Voltage Reading and Sudden Voltage Drop 5/12/24, 6:05 PM • Trevor 5/31/24, 1:19 PM

Erratic reading from current shunt 4/15/23, 2:26 PM • Darryl 5/20/24, 3:07 AM

BMS seems not doing the job after upgrade 5/3/24, 10:25 PM • Edward 5/11/24, 7:53 PM

REC Active BMS does not resume charging ? 4/16/24, 6:43 AM • Christopher 4/19/24, 6:57 AM

BMS 12p4s setup 4/17/24, 12:04 AM • tom 4/17/24, 12:10 PM

difficulty updating the BMS to v2.92.1 using the WiFi module. 4/12/24, 7:40 PM • Stan 4/17/24, 12:06 AM

How to increase the maximum discharge current 4/12/24, 11:05 AM • Christopher 4/12/24, 12:16 PM

WiFi FW Temperature error Error in WiFi FW 1.62-12 3/12/24, 4:51 PM • Edward 4/8/24, 12:01 AM

Error in Firmware 2.9.2-2 3/26/24, 4:47 PM • Edward 3/26/24, 4:47 PM

Opto Lines Driving Capability 3/13/24, 3:46 PM • Edward 3/13/24, 5:16 PM

Can't remove micro SD card from WiFi Module 2/26/24, 3:26 PM • Edward 3/12/24, 4:22 PM

Hibernate on REC Actice BMS 1/24/24, 9:08 AM • andrew 1/25/24, 8:41 AM

How to manage state of charge while on shore power 6/28/22, 5:24 PM • Rich 1/22/24, 9:46 PM

Split Charge/Load busses setup 12/31/23, 4:25 PM • Ronald 1/4/24, 11:02 AM

REC ABMS with split bus firmware - how to specify different discharge and charge temps? 12/26/23, 12:31 PM • John 1/3/24, 5:27 AM

BMS Contactor Switch Contactor/Switch Options 12/12/23, 11:41 AM • Geoff 12/26/23, 5:39 PM

Correct Firmware to use for Two Contactor Configuration 12/5/23, 3:54 PM • Edward 12/7/23, 4:03 PM

Downgrading firmware 12/5/23, 3:57 PM • Edward 12/7/23, 3:58 PM

Pin Connections 11/22/23, 1:07 PM • Geoff 11/26/23, 6:09 PM

REC ACTIVE BMS CAN-BUS Compatibility 11/15/23, 2:28 PM • Raymond 11/15/23, 2:28 PM

REC-BMS ABMS and Victron with Raspberry PI not Cerbo GX 8/16/22, 9:20 AM • Lindsay 11/12/23, 12:27 AM

Will it work? 3P4S @ 690ah 2/11/23, 2:22 PM • Rance 10/30/23, 8:12 PM

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Latest topics

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

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ABMS/2Q firmware with additional CAN messages

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

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

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rec bms and victron multiplus 3000 12v and cerbo gx will not go into float mode
3/12/25, 3:26 PM • tom 3/28/25, 1:35 PM

2.94 Firmware Update Issue Rec A BMS
9/13/24, 5:31 PM • Trevor 3/18/25, 10:19 PM

Bricked ABMS?
1/31/25, 10:07 PM • o-firstname 3/17/25, 4:24 AM

Unable to check unlisted settings using the WIFI module
5/19/24, 6:19 AM • Richard 3/9/25, 11:13 PM

ABMS/2Q firmware with additional CAN messages
2/6/25, 3:44 AM • tine 2/23/25, 10:43 AM

Relay switching capacity of the REC BMS
3/4/21, 5:53 PM • Patrick 2/20/25, 6:37 AM

Rec data to home assistant
10/10/24, 5:05 PM • Neil 2/1/25, 2:15 PM

Possibly bricked BMS after latest firmware update from Tine. bms_1A_Victron_v2_93_2_tasks_WORK.bin
6/12/24, 11:20 AM • W 2/1/25, 11:54 AM

ABYC E-13 requirements implementation and integration
10/4/24, 1:02 PM • Stefano 2/1/25, 11:42 AM

Precharge with Tyco relays
1/15/25, 1:19 PM • Johan 1/15/25, 1:19 PM

Number of inverter/charger devices, will 1 still allow the cerbo to control multiples?
1/5/25, 10:09 AM • Matt 1/7/25, 1:08 PM

REC ABMS 2.94 download link broken?
12/22/24, 5:20 AM • Lure 12/22/24, 5:20 AM

Abms green flashing and dissappeared
12/14/24, 8:19 AM • Neil 12/16/24, 1:16 PM

Power relays
9/15/24, 2:58 AM • Johan 9/16/24, 9:40 AM

BMS 1A NEWBIE WITH AN ISSUE
9/3/24, 12:20 PM • Mark 9/6/24, 3:10 PM

Troubleshooting precharge unit.
8/12/24, 9:30 PM • W 8/13/24, 10:29 AM

ABMS BMS Errors Memory Internal memory problems detected after update to v2.92
8/3/24, 10:14 AM • Jonas 8/5/24, 11:23 AM

Cooked Nation's Alternator with Wakespeed/Victron/Rec Active BMS system. Need help troubleshooting BMS after replacement
6/10/24, 11:48 AM • W 6/10/24, 2:53 PM

Cell Voltage, BMS, Error in Cell Voltage Reading and Sudden Voltage Drop
5/12/24, 6:05 PM • Trevor 5/31/24, 1:19 PM

Erratic reading from current shunt
4/15/23, 2:26 PM • Darryl 5/20/24, 3:07 AM

BMS seems not doing the job after upgrade
5/3/24, 10:25 PM • Edward 5/11/24, 7:53 PM

REC Active BMS does not resume charging ?
4/16/24, 6:43 AM • Christopher 4/19/24, 6:57 AM

BMS 12p4s setup
4/17/24, 12:04 AM • tom 4/17/24, 12:10 PM

difficulty updating the BMS to v2.92.1 using the WiFi module.
4/12/24, 7:40 PM • Stan 4/17/24, 12:06 AM

How to increase the maximum discharge current
4/12/24, 11:05 AM • Christopher 4/12/24, 12:16 PM

WiFi FW Temperature error Error in WiFi FW 1.62-12
3/12/24, 4:51 PM • Edward 4/8/24, 12:01 AM

Error in Firmware 2.9.2-2
3/26/24, 4:47 PM • Edward 3/26/24, 4:47 PM

Opto Lines Driving Capability
3/13/24, 3:46 PM • Edward 3/13/24, 5:16 PM

Can't remove micro SD card from WiFi Module
2/26/24, 3:26 PM • Edward 3/12/24, 4:22 PM

Hibernate on REC Actice BMS
1/24/24, 9:08 AM • andrew 1/25/24, 8:41 AM

How to manage state of charge while on shore power
6/28/22, 5:24 PM • Rich 1/22/24, 9:46 PM

Split Charge/Load busses setup
12/31/23, 4:25 PM • Ronald 1/4/24, 11:02 AM

REC ABMS with split bus firmware - how to specify different discharge and charge temps?
12/26/23, 12:31 PM • John 1/3/24, 5:27 AM

BMS Contactor Switch Contactor/Switch Options
12/12/23, 11:41 AM • Geoff 12/26/23, 5:39 PM

Correct Firmware to use for Two Contactor Configuration
12/5/23, 3:54 PM • Edward 12/7/23, 4:03 PM

Downgrading firmware
12/5/23, 3:57 PM • Edward 12/7/23, 3:58 PM

Pin Connections
11/22/23, 1:07 PM • Geoff 11/26/23, 6:09 PM

REC ACTIVE BMS CAN-BUS Compatibility
11/15/23, 2:28 PM • Raymond 11/15/23, 2:28 PM

REC-BMS ABMS and Victron with Raspberry PI not Cerbo GX
8/16/22, 9:20 AM • Lindsay 11/12/23, 12:27 AM

Will it work? 3P4S @ 690ah
2/11/23, 2:22 PM • Rance 10/30/23, 8:12 PM