Archives

Active BMS Firmware update 2.9.2

REC has just released firmware update 2.9.2 for the 12V Active BMS. REC Active 2.9.2 BMS release Notes 2.9.2-1.bin (one main relay/contactor)2.9.0-2.bin (two relay/contactors, with separate OV UV trip functions) For split bus systems only

REC 2Q Firmware update now available

REC has just identified an issue with the standalone 2Q and have issued an update: Firmware update link: https://rec-bms-na.com/download/41/rec-2q-series-bms/1340/rec-2q-firmware-update-1_2_18-aug-2023.zip Thanks! Rick From REC: Dear Customers We have found a software bug on the new stand-alone 2Q BMS units. In case of error 10 (wrong cell measurement – below/above normal )  above normal the BMS still […]

REC 2Q new sketches now added to our Downloads

You can now find sample wiring diagrams in our Downloads section, with both PDF and Drawio xml versions available for download. Both 2Q standalone and Master/Slave samples are now available

2Q Firmware 1.36 update

An issue was found that when the BMS was in an error10 condition, it would still try to balance the cells. This has been corrected in this release and can be downloaded from here:

REC 2Q is now available in North America

Introducing the REC 2Q Series 5-16S professional grade BMS The REC 2Q is the next step in the REC BMS evolution. Don’t trust your safety and expensive battery system to a cheap or repurposed BMS! Designed for medium to high capacity off grid, marine, RV and ESS applicationsIncorporates new ADC hardware for even more precise […]

New REC Sample Wiring Diagrams Posted

New Active and SI-Q series diagrams have been posted to the “Downloads” section that show a 2P4S and 2P8S cell configuration as requested by many people. They have also been updated with the more popular Cerbo and new PreCharge V3 model. These were all created using draw.io or the online version called diagrams.net https://www.diagrams.net/ Both […]

REC Active BMS 2.9.0 Firmware update

REC has just released an update to the 2.8.1 release that addresses a RS485 bug that affects temperatures. It is now available for download, along with a updated manual on our “Downloads” page REC Active 2.9.0 BMS release Notes It can be downloaded here: https://rec-bms-na.com/rec-active-bms-2-9-0-firmware-update/

REC Active BMS firmware Update 2.8.1

REC has now released version 2.8.1 firmware update for the REC Active BMS.  This model does not sync to its serial number and can be installed on any recent model Active BMS.  There are 2 versions of this release, so read below to ensure you install the correct version.  It can be downloaded here:   https://rec-bms-na.com/product-manuals/#7-8-wpfd-rec-active-bms […]

REC BMS WIFI module firmware update 1.6 now Released

Just released! Firmware update 1.6 includes a couple of new user features but really improves the stability of the LCD module communications. Download it and the updated manual from here: https://rec-bms-na.com/product-manuals/#7-12-wpfd-rec-wi-fi-module