REC Active BMS

12V Active balancing BMS

113 Topics 2 Followers

J

200-250 Amps Charging Shown But No Shore Power or Engine/Alternator Feeding System
1/17/26, 6:24 PM • Jamie 1/17/26, 8:48 PM

3

3
Posts

22
Views

J

Jamie
1/17/26, 8:48 PM

Since I haven't done anything to the system other than go sailing today, would they most likely i...
S

Integration of ABMS with WS500 and LFP with FLA auxiliary battery
11/29/25, 1:59 PM • Stefano 11/30/25, 2:18 PM

2

2
Posts

32
Views

R

Rick
11/30/25, 2:18 PM

1) Yes, the REC Active BMS cable includes an end of line terminator in the DB9 housing but ...
G

Dual REC Actives
11/23/25, 5:43 PM • Geoff 11/30/25, 1:22 PM

5

5
Posts

54
Views

R

Rick
11/30/25, 1:22 PM

@Neil Good question, and I believe the answer is yes, we just need to have the address of the sec...
s

Assistance with Rec Active BMS not charging
11/18/25, 11:57 AM • stevehmick 11/19/25, 10:35 AM

3

3
Posts

44
Views

R

Rick
11/19/25, 10:35 AM

Hey Steve, to expand on what Ben is saying. Your BMS is in "Balance" mode as per the Green LED, ...
S

REC-ABMS VE.CAN support and Victron VE.CAN devices
10/29/25, 10:33 AM • SmoothFroggy 10/29/25, 10:33 AM

1

1
Posts

42
Views

S

SmoothFroggy
10/29/25, 10:33 AM

It seems from this thread https://ogm-energy.com/community/ogm-user-forum/topic/154310/new-rec-bm...
BMS battery energy storage Battery
9/18/25, 5:07 AM • Natalia 9/18/25, 5:07 AM

1

1
Posts

24
Views

Natalia
9/18/25, 5:07 AM

The 11th World Battery & Energy Storage Industry Expo (WBE 2026) Date: September 16th-18th, ...
S

ABMS lilliputian switch
4/23/25, 1:58 PM • Stefano 9/8/25, 9:32 AM

5

5
Posts

81
Views

S

Stefano
9/8/25, 9:32 AM

@Ben what do you mean by "The switch is NC model, keep that in mind."? The ABMS mini switch I re...
S

REC ABMS - integration with heltec 4s Active Balancer
8/26/25, 5:17 PM • Stefano 8/26/25, 9:01 PM

2

2
Posts

53
Views

R

Rick
8/26/25, 9:01 PM

We have many users with 4P4S EVE packs running the REC Active BMS without any need to add balance...
H

Two (related) issues after updating to 2.9.6 firmware
7/31/25, 12:25 PM • Hans 8/24/25, 2:07 AM

5

5
Posts

95
Views

B

Ben
8/24/25, 2:07 AM

@Hans to have a battery protect, as low voltage discontactor, you need to know, IF only one cell ...
W

Connecting REC wifi module to the outside world?
3/4/23, 9:08 AM • WILLIAM 8/20/25, 11:44 AM

5

5
Posts

206
Views

J

Johan
8/20/25, 11:44 AM

Hi, I believe you have to log on to the routers ip adress ( that the wifi module are connected up...
o

TimeToGo additional message for Victron D-BUS
6/11/25, 3:31 PM • o-firstname 6/12/25, 10:23 AM

2

2
Posts

37
Views

R

Rick
6/12/25, 10:23 AM

@Tine Andrejasic Tine, are you able to include this variable in the next firmware update? ...
M

Victron BMV Settings
6/2/25, 5:55 PM • Michael 6/3/25, 3:51 AM

2

2
Posts

40
Views

T

Trond
6/3/25, 3:51 AM

Yes, it is indeed to high. Try setting the Charged Voltage to 13.9V.
t

how to set abms to have less than a 100 percent soc
4/29/25, 10:53 PM • tom 5/6/25, 3:47 PM

3

3
Posts

53
Views

S

Stefano
5/6/25, 3:47 PM

If you have a Cerbo gx, the Venus OS large and associated node-red functionality repo...
t

abms terminology and interactions
4/10/25, 12:13 PM • tom 4/28/25, 3:46 PM

3

3
Posts

65
Views

Bill C.
4/28/25, 3:46 PM

I used Rick's cheat sheet along with recommendations from Ben.
B

REC Active BMS problems
3/19/22, 7:56 AM • BretS 4/25/25, 7:37 AM

32

32
Posts

2.1k
Views

R

Rick
4/25/25, 7:37 AM

In a marine environment anything is possible with the humid salt laden air. I would remove ...
t

rec abms can access, but says memory card is not working so there is no loggin
4/6/25, 5:30 PM • tom 4/7/25, 9:17 AM

2

2
Posts

52
Views

R

Rick
4/7/25, 9:17 AM

It is likely one of two things 1) SD card is full 2) SD card is corrupted. If you ...
t

rec bms and victron multiplus 3000 12v and cerbo gx will not go into float mode
3/12/25, 3:26 PM • tom 4/2/25, 5:56 PM

30

30
Posts

261
Views

B

Ben
4/2/25, 5:56 PM

@tom look under devices/rec/pArameter/CVL. I think here you see 13.4 /13.3 means REC send a floa...
t

ABMS/2Q firmware with additional CAN messages
2/6/25, 3:44 AM • tine 3/31/25, 10:12 PM

26

26
Posts

384
Views

o

o-firstname
3/31/25, 10:12 PM

@Rick When you get it setup let me know. I think I have what's needed to support the Q series but...
T

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

53

53
Posts

681
Views

R

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

27

27
Posts

268
Views

R

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...
R

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

7

7
Posts

120
Views

R

Rick
3/9/25, 11:13 PM

Great! Thanks for the feedback
P

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

4

4
Posts

1.5k
Views

S

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
N

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

9

9
Posts

146
Views

R

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

8

8
Posts

225
Views

o

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...
S

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

3

3
Posts

136
Views

o

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

@Stefano Greetings all. I am configuring and integrating a LiFePo4 stans alone 3P4S 12V (...
J

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

1

1
Posts

28
Views

J

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...
M

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

3

3
Posts

67
Views

M

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

1

1
Posts

49
Views

L

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

5

5
Posts

91
Views

N

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

10

10
Posts

174
Views

S

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

6

6
Posts

112
Views

R

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

3

3
Posts

78
Views

R

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...
J

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

3

3
Posts

142
Views

R

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...
W

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

4

4
Posts

154
Views

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

6

6
Posts

223
Views

R

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...
D

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

31

31
Posts

761
Views

t

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 ...
E

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

6

6
Posts

134
Views

E

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

8

8
Posts

186
Views

B

Ben
4/19/24, 6:57 AM

@Christopher , The max charge, float setting en recharge settings is just one example to get the...
t

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

4

4
Posts

110
Views

R

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...
S

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

2

2
Posts

84
Views

S

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...

1 / 3
2
3

REC Active BMS

Latest topics

200-250 Amps Charging Shown But No Shore Power or Engine/Alternator Feeding System

CAN failures with REC ABMS

New for 2026 REC BMS AI Tech support Agent is now online

New REC Master 10M for 2026

Serial port pads on PCB?

Latest posts

200-250 Amps Charging Shown But No Shore Power or Engine/Alternator Feeding System

200-250 Amps Charging Shown But No Shore Power or Engine/Alternator Feeding System

200-250 Amps Charging Shown But No Shore Power or Engine/Alternator Feeding System

CAN failures with REC ABMS

CAN failures with REC ABMS

Forum statistics

Newest members

Ezra

brialeblanc

Altar Ceyhun

kellydorley61112

Kevin

Most liked authors

Richard

Rick

Trond

Bill C.

Ben

Trond

PeterD

tine

Al

Bill

REC Active BMS

Search

Latest topics

200-250 Amps Charging Shown But No Shore Power or Engine/Alternator Feeding System

CAN failures with REC ABMS

New for 2026 REC BMS AI Tech support Agent is now online

New REC Master 10M for 2026

Serial port pads on PCB?

Latest posts

200-250 Amps Charging Shown But No Shore Power or Engine/Alternator Feeding System

200-250 Amps Charging Shown But No Shore Power or Engine/Alternator Feeding System

200-250 Amps Charging Shown But No Shore Power or Engine/Alternator Feeding System

CAN failures with REC ABMS

CAN failures with REC ABMS

Forum statistics

Newest members

Ezra

brialeblanc

Altar Ceyhun

kellydorley61112

Kevin

Most liked authors

Richard

Rick

Trond

Bill C.

Ben

Trond

PeterD

tine

Al

Bill