All topics

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External control cuts in and out
Ryan • Posted in WS500 User Installation and Programming Questions • 5/2/25, 10:24 AM 5/6/25, 8:17 AM

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72
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how to set abms to have less than a 100 percent soc
tom • Posted in REC Active BMS • 4/29/25, 10:53 PM 5/6/25, 3:47 PM

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3
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89
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R

How to test REC 2Q BMS internal fuses
Rick • Posted in REC 2Q Series BMS • 4/29/25, 9:08 AM 4/29/25, 9:08 AM

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1
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100
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REC Q BMS 2Q
SW updates for a 9M managing 2 x Q-BMS house batt system on my sailboat?
Bill C. • Posted in REC Q Series BMS • 4/28/25, 2:17 AM 4/28/25, 2:50 PM

4

4
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90
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S

ABMS REC WIFI
Troubleshooting Unstable ABMS-WiFi Connectivity on Boat
Stefano • Posted in REC BMS Tips and Tricks • 4/27/25, 12:47 PM 9/8/25, 9:15 AM

7

7
Posts

174
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S

ABMS lilliputian switch
Stefano • Posted in REC Active BMS • 4/23/25, 1:58 PM 9/8/25, 9:32 AM

5

5
Posts

146
Views
T

Zeus + Cerbo causing NMEA2000 network to crash
Trond • Posted in Installation and Configuration • 4/16/25, 3:59 AM 4/16/25, 5:50 AM

2

2
Posts

173
Views
S

Identification of temperature Sensors DS18B20
Stefano • Posted in REC BMS Tips and Tricks • 4/15/25, 10:50 AM 4/15/25, 4:44 PM

2

2
Posts

68
Views
J

Master - Slave comunnication
Jiri • Posted in REC Master Slave Large Scale Systems • 4/14/25, 4:50 PM 4/21/25, 5:41 AM

3

3
Posts

125
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abms terminology and interactions
tom • Posted in REC Active BMS • 4/10/25, 12:13 PM 4/28/25, 3:46 PM

3

3
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106
Views
R

WS500-PRO / REC Active BMS - "OUTPUT" not displaying on Victron Cerbo GX
Ryan • Posted in WS500 User Installation and Programming Questions • 4/9/25, 1:54 PM 6/23/25, 10:56 AM

8

8
Posts

192
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F

BMS does not switch to float
Franz • Posted in REC Q Series BMS • 4/9/25, 12:23 PM 4/22/25, 12:29 PM

5

5
Posts

191
Views
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rec abms can access, but says memory card is not working so there is no loggin
tom • Posted in REC Active BMS • 4/6/25, 5:30 PM 4/7/25, 9:17 AM

2

2
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78
Views
M

Zeus as REC Active follower on 500k bms can but no cerbo widget.
Matt • Posted in Installation and Configuration • 4/6/25, 4:51 PM 11/5/25, 6:41 PM

63

63
Posts

902
Views
A

no Tacho even with forced tachomode
Andre • Posted in WS500 User Installation and Programming Questions • 4/1/25, 4:27 AM 4/1/25, 8:33 AM

6

6
Posts

97
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A

EEprom memory corruption - shutdown
Aaron • Posted in REC Q Series BMS • 3/16/25, 3:29 PM 3/18/25, 4:13 PM

5

5
Posts

116
Views
t

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

30

30
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352
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o

WS500-PRO & REC Active BMS config.json
o-firstname • Posted in WS500 User Installation and Programming Questions • 3/2/25, 3:13 PM 3/5/25, 6:06 PM

4

4
Posts

118
Views
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ABMS/2Q firmware with additional CAN messages
tine • Posted in REC Active BMS • 2/6/25, 3:44 AM 3/31/25, 10:12 PM

26

26
Posts

530
Views
alternator, solar charging system REC Q BMS Victron
What charging precedence strategy are you using with your REC-BMS-controlled-Victron-Energy-LiFePO4 marine system?
Bill C. • Posted in REC-BMS Programming and Configuration Questions • 2/4/25, 2:56 PM 4/28/25, 2:28 AM

3

3
Posts

164
Views
o

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

27

27
Posts

373
Views
A

Q series BMS Error 15
Anthoney • Posted in REC Q Series BMS • 1/18/25, 8:29 PM 2/20/25, 9:27 AM

11

11
Posts

197
Views
J

Precharge with Tyco relays
Johan • Posted in REC Active BMS • 1/15/25, 1:19 PM 1/15/25, 1:19 PM

1

1
Posts

52
Views
R

New REC BMS and Victron Cerbo DVCC integration Guide
Rick • Posted in REC BMS Tips and Tricks • 1/14/25, 2:29 PM 4/15/25, 4:20 AM

7

7
Posts

495
Views
Starlink REC WIFI
Accessing REC WiFi module on my boat with Starlink
Bill C. • Posted in REC BMS Tips and Tricks • 1/8/25, 2:25 PM 1/31/25, 11:09 PM

2

2
Posts

71
Views
K

WS500 data display on Raymarine Axiom (marine use)
Keith • Posted in WS500 Tips, Tricks and support • 1/6/25, 5:59 PM 1/9/25, 7:30 PM

3

3
Posts

128
Views
M

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

3

3
Posts

93
Views
L

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

1

1
Posts

65
Views
R

WS500 Pro unable to connect to ABMS
Rance • Posted in WS500 Tips, Tricks and support • 12/21/24, 11:05 PM 12/27/24, 6:53 PM

9

9
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342
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N

Abms green flashing and dissappeared
Neil • Posted in REC Active BMS • 12/14/24, 8:19 AM 12/16/24, 1:16 PM

5

5
Posts

126
Views
K

Lithium Changeover With Arco Zeus.
Kerry • Posted in Installation and Configuration • 12/10/24, 3:32 PM 12/25/25, 2:00 PM

4

4
Posts

252
Views
P

Best way to partition 23 cells across two 2Q series slaves?
PeterD • Posted in REC 2Q Series BMS • 10/30/24, 9:38 PM 11/4/24, 9:03 AM

4

4
Posts

103
Views
P

Cell wire lengths
PeterD • Posted in REC 2Q Series BMS • 10/25/24, 3:56 AM 10/27/24, 4:03 PM

5

5
Posts

114
Views
W

Updated configuration tool?? v1.2.2
William • Posted in Software Configuration Tool • 10/23/24, 5:10 PM 10/25/24, 2:48 PM

3

3
Posts

266
Views
REC Q BMS settings Master
Looking for feedback on my QBMS configuration and settings.
Bill C. • Posted in REC-BMS Programming and Configuration Questions • 10/22/24, 4:51 PM 12/29/24, 3:20 AM

13

13
Posts

231
Views
M

Where can I buy an RS485 cable?
Mike • Posted in REC-BMS Programming and Configuration Questions • 10/21/24, 7:00 PM 10/21/24, 9:07 PM

3

3
Posts

70
Views
R

How to connect a REC 2Q to your Victron VE.CAN port
Rick • Posted in REC BMS to Victron VE Bus • 10/20/24, 8:39 PM 3/28/25, 7:42 AM

2

2
Posts

197
Views
M

Dead REC Master - Dead/Burnt components close to Vcc input
Mike • Posted in REC Master Slave Large Scale Systems • 10/20/24, 12:30 AM 10/20/24, 8:55 PM

3

3
Posts

60
Views
A

Upgraded to v1.5 and CAN to Victron is pooched
Adam • Posted in REC 2Q Series BMS • 10/18/24, 11:18 AM 10/20/24, 8:43 PM

6

6
Posts

121
Views
N

Rec data to home assistant
Neil • Posted in REC Active BMS • 10/10/24, 5:05 PM 2/1/25, 2:15 PM

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9
Posts

200
Views

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All topics

External control cuts in and out

how to set abms to have less than a 100 percent soc

How to test REC 2Q BMS internal fuses

SW updates for a 9M managing 2 x Q-BMS house batt system on my sailboat?

Troubleshooting Unstable ABMS-WiFi Connectivity on Boat

ABMS lilliputian switch

Zeus + Cerbo causing NMEA2000 network to crash

Identification of temperature Sensors DS18B20

Master - Slave comunnication

abms terminology and interactions

WS500-PRO / REC Active BMS - "OUTPUT" not displaying on Victron Cerbo GX

BMS does not switch to float

rec abms can access, but says memory card is not working so there is no loggin

Zeus as REC Active follower on 500k bms can but no cerbo widget.

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

What charging precedence strategy are you using with your REC-BMS-controlled-Victron-Energy-LiFePO4 marine system?

Bricked ABMS?

Q series BMS Error 15

Precharge with Tyco relays

New REC BMS and Victron Cerbo DVCC integration Guide

Accessing REC WiFi module on my boat with Starlink

WS500 data display on Raymarine Axiom (marine use)

Number of inverter/charger devices, will 1 still allow the cerbo to control multiples?

REC ABMS 2.94 download link broken?

WS500 Pro unable to connect to ABMS

Abms green flashing and dissappeared

Lithium Changeover With Arco Zeus.

Best way to partition 23 cells across two 2Q series slaves?

Cell wire lengths

Updated configuration tool?? v1.2.2

Looking for feedback on my QBMS configuration and settings.

Where can I buy an RS485 cable?

How to connect a REC 2Q to your Victron VE.CAN port

Dead REC Master - Dead/Burnt components close to Vcc input

Upgraded to v1.5 and CAN to Victron is pooched

Rec data to home assistant