The WS500 can do 48V systems. I dont know the specs from your battle born batteries, maybe they can not be use as 48V system. I think there is a misunderstanding on this point.

The sensors are smart devices and the 3 wires in the sheath just get paralleled together to the second sensor to create a sensor network.  We are working on a more elegant solution but all you need...

Your installation seems to be well designed based on your overview and having a separate 12/48V system is actually quite common so I am not sure why they would say something like this.  Al is or wa...

I have also been in contract with DragonFly about getting the 12v WakeSpeed work on the 12v alternator and have been very upset with their responses. I hope that you can help me when they cannot. ...

Quote from Al Thomason on August 14, 2019, 4:27 pm High Rick,   Yes - a question we get a bit.   So, there are perhaps two flavors of this: Two alternators on the same engine. T...

and here is a 2P4S wiring diagram from the REC BMS North America site you can use as a starting point https://rec-bms-na.com/download/31/rec-active-bms-sketches/1290/rec-active-bms-wiring-diagra...

Sounds like a great config and yes, the Active BMS is good to about 1,000Ah of well behaved \"A\" grade cells like CALBs. FYI, for large scale 12V projects there is a Master/Slave solution but y...

Working on upgrading the house bank on a 42\' sailboat for full time cruising. Currently set up with 1200 watts of solar with Victron mppts for each panel then everything else is the original Heart...

All settings Tine describe are in the screenshots you have posted above. In my view all set correctly. What the commandos means is in the manual.      

Hi Ben This is the reply from Tine:- “CAPA is the String capacity and it multiplies the number of strings in case of Master/Slave You can set the number of devices with a SISN or STRN for AB...

Not sure exactly what you are looking for but Al put together a pretty detailed setup and communications manual that might help. Here is the link https://www.wakespeed.com/wp-content/uploads/...

Hi, for WS500, is there anywhere I can see this file is linked to which DFK already. As I\'m changing the file name and those DFK that have linked are affected. Your help is appreciated. Thank you.

Hi Ben No I haven’t tried any other versions, which ones were you thinking??? I have asked Tine in an e-mail but I haven’t had a response from him yet. It’s a great product and it’s great that ...

Which firmware you are using? Did you try another version? Do you use single main relay, or separate charge/load relays?

Hi Ben Having checked the E-Mail I had sent Tine, no I didn’t include the REC screenshot…… 😔😔 I have also followed the command instructions and it seems they are correct although it wasn’t qu...

How I see it. All settings from this part from the manual are correctly set, see screenshots above. Did you have send the same screenshot with all settings to Tine? Screen shots from REC and ...

Hi all Reply from Tine:- Check the Charge/Discharge algorithm in the Manual. It uses Maximum device charge current setting or capacity x charge coefficient whichever is lower. So I will lo...

Hi Ben Thanks for this I have asked Tine @ REC but I haven’t had a reply yet, when I do I will update this post. Thanks again for your help.

You can reset the wifi, holding the switch in the wifi unit 20 seconds?? (I dont ave the exact info by hand)   other suggestion, start with a fresh formatted sd. Only copy the 2 latest u...

I have no other suggestion. If I change the \"max charge current\" I see seconds later in the Cerbo the CCL is changed to the new level. Maybe ask REC. If you solved the problem, please gi...

We have posted some new Active and SI-Q series diagrams to the REC North America site which use the new PreCharge V3 module and show both a 2P4S and 2P8S configuration for those who were wondering ...

Thanks for the reply you are correct i replaced the bms and bingo was online. Now the next challenge is to load firmware via wifi module to allow for dual bus usage ,I have installed firmware mu...

REC crew, thank you for the excellent support! The new firmware works great, and I\'m enjoying driving without the low temperature alarm.  

here is a screenshot from the VRM console showing the difference in the current readings.

I\'m setting up a Master/2 Slave system at 24v x 400 aH x2 with a Quattro inverter/Cerbo Gx.    I have my first bank set up and configured with the first Slave and a 500A/50mv shunt.  The REC is se...

Hi Ben It’s all set up as you say….. the total Ah is set in the total Ah box. Any other suggestions would be very much appreciated👍👍  

I should also have noted that this is on a large AGM battery bank so no BMS involvement.

No \"limit current\" in dvcc, thats good. Other suggestion: check REC app. In settings: is \"amount charger devices\" set at 1? Under the same settings, what is set at total Ah?

Hi Ben Screen shots as requested. Thanks for any help you can offer🤞🤞🤞👍

Having read through the various documents I would like to check my understanding before I make the install. I have no NMEA2000 network so the only devices will be the WS500 and the Cerbo GX connect...

Check under dvcc, max amp setting.  Post screenshots from this settings.

Hi All I am in the process of setting up a lithium batter system on my boat, I have the various bits working. The Mutiplus will charge at 120A but when the Cerbo is connected it is cutting it...

This is an A-BMS 12V installation? Anyhow, it your 100% sure the senswires are correct then it sounds like your BMS is broken.

Hi I hope someone can help with this error code on a new installation. So far i have checked All sense wires -correct checked fuses . replaced the blown fuse on battery sense wire #4 ...

Thanks for posting this as I was just going to post a message about this. Previously, we had to reach out to REC directly to obtain a firmware update specific to our serial number. However I\'ve no...

About a week ago I started receiving an error message on my REC Active BMS Wi-Fi portal when logged in. At the top of my page I see in bold red text “PROBLEM WITH SD CARD, LOGGING IS DISABLED”. I h...

REC has just released a firmware update for the Active BMS that adds a new CAN message and addresses an RS485 bug.  For details and downloads you can visit the REC North America site here:    https...

A connection problem seems unlikely to me - recall that this only occurs in acceptance and float.  In bulk everything looks fine.  I don\'t see how a connection problem would work that way. All ...

Rick, I have the official REC cable.  Will the BMS power on and be responsive if the only connection is the serial cable?  My battery pack isn\'t quite ready but I want to test the BMS using the...

I grabbed this  page snip from page 13 of the Active BMS manual. Manuals are available here:    https://rec-bms-na.com/downloads/