REC 2Q Series BMS | Off Grid and Marine Energy

REC 2Q Series BMS

10 Topics 1 Followers

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BMS not following set parameters
11/13/25, 3:18 PM • JP@REAP 11/13/25, 8:50 PM

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Rick
11/13/25, 8:50 PM

It looks like you have one cell that is either bad or has got badly out of whack. Before you swap...
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How to test REC 2Q BMS internal fuses
4/29/25, 9:08 AM • Rick 4/29/25, 9:08 AM

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Rick
4/29/25, 9:08 AM

The 2Q includes 2 internal fuses, one for power and the second for the Opto relay output. Remo...
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Best way to partition 23 cells across two 2Q series slaves?
10/30/24, 9:38 PM • PeterD 11/4/24, 9:03 AM

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tine
11/4/24, 9:03 AM

I have send the updat to Rick, so he will forward it to you, there is no attacment ikon here. &n...
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Cell wire lengths
10/25/24, 3:56 AM • PeterD 10/27/24, 4:03 PM

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PeterD
10/27/24, 4:03 PM

@tine In my system the distance from the plane where I'd like to run the BMS cell wires, to the s...
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Upgraded to v1.5 and CAN to Victron is pooched
10/18/24, 11:18 AM • Adam 10/20/24, 8:43 PM

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Rick
10/20/24, 8:43 PM

Great, glad you got it working. For reference, if you want to move to the VE.CAN port here ...
C

What Peukert exponent is used?
1/12/24, 5:57 AM • Christopher 1/22/24, 3:05 AM

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Christopher
1/22/24, 3:05 AM

Raymond, thanks for that information. Chris
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Quattro action on BMS shutdown
12/16/23, 7:52 AM • Christopher 1/4/24, 3:31 AM

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tine
1/4/24, 3:31 AM

If the Cerbo is also powered on the system side then it does not get the data from the BMS when d...
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Time to go available on CAN?
12/20/23, 4:47 PM • Christopher 1/3/24, 4:57 AM

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tine
1/3/24, 4:57 AM

No can't do. It does not work like this. Victron CAN bus protocol was provided to us and all the ...
R

Nissan Leaf Cell pack Wiring Diagram
11/25/23, 12:19 PM • Rick 11/25/23, 12:19 PM

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Rick
11/25/23, 12:19 PM

With many customers now using the Nissan leaf 6.6V 2x2 cell packs we have put together a sample w...
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Problem with communication REC 2Q and WS500
10/6/23, 1:50 AM • Ben 10/7/23, 11:01 AM

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Rick
10/7/23, 11:01 AM

There is a new 2.5.1 beta release of the WS500 that may help. I havent had a chance to try ...

Latest topics

Lowering REC BMS charge voltage settings to prolong battery life challenges

Rick 11/30/25, 7:08 PM
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Integration of ABMS with WS500 and LFP with FLA auxiliary battery

Stefano 11/29/25, 6:59 PM 1
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stevehmick 11/18/25, 4:57 PM 2
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BMS not following set parameters

JP@REAP 11/13/25, 8:18 PM 1
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Latest posts

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Integration of ABMS with WS500 and LFP with FLA auxiliary battery

Latest: Rick 11/30/25, 7:18 PM

REC Active BMS
R

Lowering REC BMS charge voltage settings to prolong battery life challenges

Latest: Rick 11/30/25, 7:08 PM

REC-BMS Programming and Configuration Questions
R

Dual REC Actives

Latest: Rick 11/30/25, 6:22 PM

REC Active BMS
N

Dual REC Actives

Latest: Neil 11/29/25, 11:57 PM

REC Active BMS
S

Integration of ABMS with WS500 and LFP with FLA auxiliary battery

Latest: Stefano 11/29/25, 6:59 PM

REC Active BMS

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