REC 2Q Series BMS

12 Topics 1 Followers

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REC 2Q with two (or more) contactors (OV + UV)
5/7/26, 8:56 PM • Geoff 5/23/26, 11:28 AM

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Geoff
5/23/26, 11:28 AM

Looking at the 2Q manual it looks like if I want OV and UV disconnects, then I can't use the stan...
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Adsorption/Bulk
3/17/26, 9:03 PM • Anthoney 4/29/26, 8:10 AM

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Rick
4/29/26, 8:10 AM

Anthoney, I missed this one. Can you include some pics of your settings and firmware revisi...
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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 ...
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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 ...
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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 ...