New High Voltage Master-Slave Sample wiring Diagram now available
With more customers looking for high voltage battery solutions we added this sketch to our library to assist with system design. Both PDF and xml editable versions are available.
Nissan Leaf Cell pack Wiring Diagram now available for download
With many Nissan Leaf cell packs hitting the market, we have had quite few customers using the REC-2Q BMS in combination with Victron, Sunny and many other inverters for backup, off grid, RV and marine applications. The 6.6V packs make it look a bit intimidating so we have created a couple of sample wiring diagrams […]
REC 2Q BMS Overview Video just released
This is a quick introduction to setting up your 2Q BMS using the WiFi module and connecting to an SMA Sunny Inverter.
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 BMS WiFi Module Firmware Update 1.6.2
No release information is available at this time. Download link: https://rec-bms-na.com/product-manuals/#7-12-wpfd-rec-wi-fi-module
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 […]