Jk bms rs485 Sale price $6. Via RS485/Modbus, Master/Slave. Interface use an esp32 with one or tow CAN ports and RS485 support, can handle ESPHome component to monitor and control a Jikong Battery Management System (JK-BMS) via UART-TTL or BLE - syssi/esphome-jk-bms JKBMS Smart BMS 4S-8S 100A 1A Active Balance Build-in Bluetooth with CAN RS485 PCB Battery Protection Board for LiFePO4 Li-ion LTO Battery Pack（JK-B1A8S10P） DALY 4S-16S BMS 15A to 200A Protection Board with Balance Wire and Temperature Sensor for Lithium Battery Pack（LifePO4 4S 12V,100A） JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field, strength to design and produce the most innovative and high quality active battery balancer and active balancer BMS for li-ion,lifepo4, NMC, Ni-MH,Ni-Cd, Lead-acid batteries, red-flow batteries, VRLA and AGM batteries,etc. DALY Smart BMS 4S-16S 40A-500A with WiFi Module and CAN 485 Communication Protection Board for LifePO4 Lithium Battery Pack (Smart BMS 8S Dec 5, 2023 · JK-B2A4S Battery Active-Balancer Specification and operation manual 2 Chengdu Jikong technology co. Basic and advanced parameter adjustment pages are designed separately, with distinct password setups to provide more convenience and reliability for bulk users. The ESP32 then sends the required CAN bus data to the inverter via a TJA1050 CAN bus 14 hours ago · Connection module for RS485. I bought an RS485 with each JK BMS, and an RS485 to USB, but it never worked. JKBMS Smart BMS 4S-8S 100A 1A Active Balance Build-in Bluetooth with CAN RS485 PCB Battery Protection Board for LiFePO4 Li-ion LTO Battery Pack（JK Read BMS data (include WifiManager code), BMS data will be publish to public MQTT broker. Author upnorthandpersonal Downloads 2,728 Views 3,085 Apr 26, 2023 · JK BMS B2A20S20P Heat CAN/RS485 problem with connection #309. 6A to 5A series, and support max continuous discharge up to 350A. Hi, do you know if we can connect directly to the GPS/485 port our rx/tx pins of an esp8266/arduino/esp32? I mean. Thats why im looking for confirmation from other people with jk bms. There are two Schematics: RS-485 module work by Jul 4, 2022 · The Jikong RS485 dongle converts the UART-TTL signal from the BMS into a differential RS485 signal. This add-on reads the BMS and sends sensor data through MQTT to Home Assistant. Replies 32 Views 5K. New posts Registered members Current visitors Search forums Members. Značka: JIKONG. Anzeige. JK-BD6A20S10P. JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field, strength to design and produce the most innovative and high Mar 3, 2024 · The ESP32 communicates with the JK-BMS using the RS485 port(GPS) which is in fact not RS485, it is 3. New resources Latest reviews Search resources Wiki Pages Latest activity. EUR 44,65 bis EUR 210,21. Does anyone know which is A, B and GND ? This product is stocked in our UK warehouse and available for shipping immediately. 5mm,and its appearance and size of mounting hole are shown in figure 3. RS485/CAN (customize) Size: 133*81*18mm: 2. Additional information. I have try multiple solution but anern don't see bms I have try to connect bms to computer with rs485-1 to usb and select modbus jk rs485 in protocol and it's ok. I have also the RS485 dongle from JK but no sucess. I am still trying to communicate with my JK-PB1A16S10P bms with no luck so far. 5" LCD Monitor Screen. I already communicate with my Sigineer Inverter and (5) Solar Charge Controllers this way. 3V TTL so it can be directly connected to the ESP32. enhancement. 2 days ago · An ESP-IDF based implementation for adapting MPP Solar's Lib protocol to the JK BMS RS485 based protocol. Shenzhen E-Fire Technology Development Co. Aug 25, 2024. 0A ôÿ "ªz=¤ˆ ­ ) çï/ ã&>Öy¾ý Sõ[Ó›Õ §€ŠY,'N‘B§´"kt`ò ‚ ¨â2¥õÍâײØRÿûˬÿîü|Ýà“ $’J ‹m §÷̺¿T½:2\°º„DKÂØÍðÿû~ók­ ­ÏL’÷êL Šî1Æg3ÙŸŽ¶9ÁsA ‚‚"(L€L€ Ä>{ïsÎ}÷Ý÷ÊŠ† >þ ЮÉÃ8¹1Ö É¬\ÐƸ š$»% )1N?ë°ÃÉ} ¤“Íë¨ÿyÿ ®=|Žõ?»OÑ}Û}³þñ9;ô¾zú·àûß¹°Ýï Ñý¿{¯û°{¯û JK BMS JK-B2A8S20P RS-485 port / connector hi there got my venus 2. No you can not use the JK RS485 module to communicate with the inverter, the JK-BMS uses its own serial protocol that is not compatible with any inverters directly, hence the need for an Interface board, it converts the JK Buy JKBMS RS485 CAN module and LCD display Adapter at Aliexpress for . JK BMS - 2. it seems to be (also) about converting a RS485 signal to read data from the new JK inverter bms (JKPB2A16SXXP). Save 25%. I created this to compare RS485/CAN (customize) Size: 110*73*17mm: 2. Designed for use with our 3. What's new. googolbuy (28. flush() # If there is no more data, exit the loop Thanks to Louis' development and solution, we now have a very easy method where we can connect many of the popular BMSes to the Victron Venus OS (GX device o tried, every port in both the inverter and the bms. Sends over CAN bus to inverter: Whether you're a tech-savvy DIY enthusiast or a professional system integrator, the JK BMS RS485 Adapter offers the perfect blend of functionality and versatility. 99 Regular price $19. If you want to use the dongle you have to convert the RS485 signal back to UART-TTL again with s second converter module: Nov 23, 2023 · The ESP32 communicates with the JK-BMS using the RS485 port(GPS) which is in fact not RS485, it is 3. RS485/CAN (customize) Size: 136*83*17mm: 2. What is the protocol that have that port? I suppose that it is TTL232 or RS232, as ôÿ "ªz=¤ˆ ­ ) çï/ ã&>Öy¾ý Sõ[Ó›Õ §€ŠY,'N‘B§´"kt`ò ‚ ¨â2¥õÍâײØRÿûˬÿîü|Ýà“ $’J ‹m §÷̺¿T½:2\°º„DKÂØÍðÿû~ók­ ­ÏL’÷êL Šî1Æg3ÙŸŽ¶9ÁsA ‚‚"(L€L€ Ä>{ïsÎ}÷Ý÷ÊŠ† >þ ЮÉÃ8¹1Ö É¬\ÐƸ š$»% )1N?ë°ÃÉ} ¤“Íë¨ÿyÿ ®=|Žõ?»OÑ}Û}³þñ9;ô¾zú·àûß¹°Ýï Ñý¿{¯û°{¯û The driver will communicate with a Battery Management System (BMS) that support serial (RS232, RS485 or TTL UART) and Bluetooth communication (see BMS feature comparison for details). 2 Use of environmental conditions. LiFePo4 Lithium Batteries Australia To update the firmware you need an RS485 to USB adaptor. These describe the RS-485 protocol for Heltec/JK balancers, also applicable to their BMS. JK-BD6A20S6P. Bulit-in Bluetooth Module; Support RS485/CANBUS Communication; Support IOS/Android System Product Overviews: Battery Active Equalizer (JK-B2A24S RS485) is a balanced solution for large-capacity series lithium battery packs Management system. Brandneu | Gewerblich. The ESP32 communicates with the JK-BMS using the RS485 port(GPS) which is in fact not RS485, it is 3. Opens in a new window or tab. Підскажіть будь ласка , є інвертор powmr 4200 він має розьем rj45 з надписом "can (rs485)" та є бмс jk bms b1a8s20p-hc на ній є також вихід "can \ rs485" 3 піновій роз'єм та кабель до роз'єму з вже 2 жилами А та В (на фото l та h ) , чи можливо подружити I’ve just finished my 2nd of 4 batteries using JK BMS. if i think better if the rs485 use the one serial port from interface, u can connect the second jk on it So in fact can Connect 3 jk on one interface if u use can port for inverter. Previous slide Next slide. Additional, I haven't found it super clear which port exactly is RS485 - is it the one that's labelled GPS? - my unit seems to how CAN/RS485 on the left most connector (printed on the case) - but then the diagrams show that RS485 is on the second connector along (printed GPS on the case). Hi, I will present my DIY CAN BMS emulator project , I work from some time to make this interface for integration of DIY battery with different brands of invertors with supported CAN or RS485 communication. 5kw G4 inverter. Serial(serial_port, baud_rate, timeout=0) as ser: while True: # Read all available bytes from the serial port data = ser. Such as Is the JK BMS need to plug on the Esp32 before the AP appear cause it finish download but the AP doesn't appear. JIKONG je předním výrobcem aktivních balancérů a BMS pro Li-Ion, LiFePO4, NMC, Ni -MH, Ni-Cd, olověné a další typy baterií. Reactions: Delphinus, lincomatic and Steve_S. Jun 30, 2024 #18 andreit said: I have added a JK-B2A24S20P BMS with RS485 converter which after some research seemed to be the best option as it has a 2a active balancer and has both CAN and RS485 inputs. Cart. LCD-3. stdout. JK-B2A24S20P. The old JK-BMS, as in the readme, using "The UART-TTL (labeled as RS485) socket of the BMS can be attached to any UART pins of the ESP" DIRECTLY. View More. JK-BD6A24S6P. The ESP32 then sends the required CAN bus data to the inverter via a TJA1050 CAN bus JK-B2A4S Battery Active-Balancer Specification and operation manual 3 Chengdu Jikong technology co. The ESP32 then sends the required CAN bus data to the inverter via a CAN bus transceiver. Sofort-Kaufen +EUR 2,87 Versand. RS485 is multi drop, as is CAN so does anyone have an idea about setting a device ID? I Connection module for RS485 Can be used as addon to JK BMS for access to RS485 interface Ps! Not an FTDI. JK-PB2A16S20P 16s bms 8-16S 200A JK bms with Rs485 Rs232 and CAN communication smart bms. JK BMS held a professional BMS engineer team I just got two JK_PB2A16S20P BMS so busy getting them ready to test. in this case still can use but need to wire the interface with rs485 for data excange. JK 8S-16S 100A-200A BMS RS485/CAN für Solarbatterie Heim Energiespeichersystem. 6mm×61mm×26. I already have a 4. Ideally linking them together and addressing them differently. Managed to get the JK Modbus protocol document however in Chinese but most of the important parts are english as well. 54. So if it is enabled then :-RS485 only works where every connected item has a different Device addr, so set each item you want on the RS485 bus to Hi, in regards to #409 and #390. When i sent e-mail to solar assistant they pointed out this forum page and nothing else. JK BMS held a professional BMS engineer team have more than 10 years Verbindung über BLE und RS485 nicht möglich. JK BMS - RS485 Interface Module. mrconstantin also i don't have the SN65HVD230 to use can on my set up so i can only use rs485 i guess on my SPF5000ES so what is th protocol on the growatt should i set and with which pin and on the software JK BMS již po "485" odpovídá a rozparcelováním dlouhého stringu lze udělat přehledovou tabulku nejdůležitějších parametrů baterie. I am wanting to use the RS485 port to communicate with my PLC (Programmable Logic Controller). We recommend FTDI chip adapters. Description: JKBMS RS485 CAN Module for JIKONG BMS. We also now include an on and off switch. Sold out Quick view. If you use the cable from the separate RS485 adapter of the JK-BMS and follow the labeling on the board, you have to swap the lines for RX and TX (pin 4) on the Uno / [sensor:127]: 'jk-bms cell voltage 1': Sending state 4. The pylon-tech rs485 if available in older firmware could work. Download. Ps! Not an FTDI ESPHome component to monitor and control a Jikong Battery Management System (JK-BMS) via UART-TTL or BLE - syssi/esphome-jk-bms Aug 15, 2023 · Don't have a JK BMS but have a few items using RS485 all connected to one bus. No reviews yet 4 sold. 12500 V with 3 decimals of accuracy [sensor:127]: 'jk-bms cell voltage 2': Sending state 4. 0: 1: 4: JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field, strength to design and produce the most innovative and high quality active battery balancer and active balancer BMS for li-ion,lifepo4, Battery charge controller with support from 4 to 8 cells, load/charge current 200A and at peak up to 350A, balance current 2A. JK BMS B2A20S20P Heat CAN/RS485 problem with connection #309. The last letter C in the model number means that has a CAN port. Now I FINALLY GOT CONNECTION!!! with another adapter I tried before without success. The ESP32 then sends the required CAN bus data to the inverter via a TJA1050 CAN bus Hi, in regards to #409 and #390. Note you can also use a USB TTL adapter instead of the two adapters above, but it requires manual wiring into the JK BMS where the JK BMS RS485 module connects. I just played around with my JK BMS settings and chose the first entry "000 - 4G-GPS Remote module Com" instead of the one that I chose so far "001 - JK BMS RS485 Modbus V1. The data is then published to the Venus OS system (dbus). Call 07 4191 6815. Esp32 have 3 serial ports Serial 0 - USB Serial 1 - Jk 1 Serial 2 - Jk 2 import serial import sys def read_serial_port(serial_port, baud_rate): with serial. pdf Will be testing these soon might save time reverse engineering using the JK BMS monitor. Home; The ESP32 communicates with the JK-BMS using the RS485 port(GPS) which is in fact not RS485, it is 3. Tento převodník je originálním příslušenstvím pro BMS značky Jikong. 91 on raspi up an running on my JK BMS, there is a port labeled RS485, wich has 3 pins. 12500 V with 3 decimals of accuracy [sensor:127]: 'jk-bms cell voltage 3': Sending state This video should clear things up on how to connect the new JK Inverter BMS via RS485 to your PC to do firmware updates and also change settings. Please find attached a different RS485 protocol document, sent to me by IC GOGOGO Store for the BMS I bought from them. aus China. takze co BMS-ka to RS485 linka. It is suppled with either when ordered, but not both protocols. JK_BMS RS485 Modbus v1_0. Na jedné straně je osazen konektorem pro připojení k BMS a na druhé volnými vodiči A, B a GND. , LTD. The jk bms didn't say anything. Search for: Cart / R 0. Resources. Can Jk BMS be configured to communicate with Growat,Deye, voltronic inverters. Navigation Menu LCD-3. Forums. JK BMS RS485 Communicate Protocol Manual Familymandan; May 29, 2024; BMS (Battery Managment Systems) 2. I show in a If you purchase RS485 together with BMS, we will use RS485 by default to match the BMS you purchase； JK BMS JIKONG Active Balance Smart BMS. Probably pin on anern or bad protocol. I am using a USB to Ethernet dongle but the computer (JK software) does not recognise it as a com port. The equalizer uses a supercapacitor as a medium to achieve active energy transfer equalization. Navrhují a vyrábí inteligentní aktivní balancéry a BMS pro všechny typy dobíjecích baterií, které jsou použitelné téměř kdekoli, počínaje malými, sériově vyráběnými elektromobily Uart1 is a fixed port permanently set to JK RS485, Uart2 is configurable to several RS485 protocols and is also the Canbus port. 10). CRaccani opened this issue May 8, 2021 · 67 comments Assignees. Comments. BMS: For 8S BMS Only, Other BMS. JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field JK BMS RS485 module; USB RS485 adapter (ensure it's not TTL). Product appearance The product appearance is shown in figure 2. Other attributes. I'm in the same condition with anern and jk bms pb2a16s20p. Weder mit einem ESP 8266 noch über ein ESP32 mit BLE bekomme ich Daten nach Home Assistent. Actually, the first one didn't work, the second one I attached to the first JK, and it didn't work either. K. I RS232 RS485 并联 RS485 CAN: Upgrade Method: RS232 RS485: Bluetooth: Connect via mobile APP: Communication Protocol: Customer Requirements JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field, strength to design and produce the most innovative and high quality active battery RS232 RS485 并联 RS485 CAN: Upgrade Method: RS232 RS485: Bluetooth: Connect via mobile APP: Communication Protocol: Customer Requirements JK BMS held a professional BMS engineer team have more than 10 years Not really, my interface board is designed to be plugged directly into the JK-BMS, so the JK RS485 module is not needed. 107) 98,5%. - I can connect 1 no problem and working well. Can be used as addon to JK BMS for access to RS485 interface. JK BMS held a professional BMS engineer team have more than 10 years The ESP32 communicates with the JK-BMS using the RS485 port(GPS) which is in fact not RS485, it is 3. 99. 0: 1: 3: Interface Board JK-CN-Link-V1. Be aware that tere are two models of the JK 485 adapters. 2-RS485-V1. No products in the cart. The above active balancing BMS with active balancing current cover from 0. Author upnorthandpersonal; Creation date Dec 20, 2020; Overview Updates (2) History. Nope, to be honest didn`t manage to conect the bms to sollar assistant like you did with the TTL adapter i still get invalid data received. The main purpose is to act as a Battery Monitor in your GX and supply State of Charge (SoC) and other The ESP32 communicates with the JK-BMS using the RS485 port(GPS) which is in fact not RS485, it is 3. But need to know if its selectable before downgrading firmwares Плата JK-BMS B2A20S20P має вбудований Bluetooth модуль для підключення з телефону, Додатково Ви можете підключити BMS контролер до інтерфейсів RS485, CAN для віддаленного моніторингу та керування. JK's docs got the Can_H and Can_L the wrong way round. Inverter BMS JK-PB2A16S-15PJK-PB2A16S-20P. Is there anything I need to do to to connect all 4. Find more 44, 200338144 and 629 products. If you want to extend the distance between the JK BMS and ESP32 you can use RS485 adaptors, which is what I do, makes it easier for development, my ESP32 has a RS485 adaptor and then a long cat5 run to the JK RS485 adaptor The new JK BMS with the CAN/RS485 port can be either RS485 or CAN. - sdragos/mppsolar-lib-protocol-to-jk-bms-rs485 Mar 9, 2023 · Bluetooth-Support for JK BMS jkbms_ble was merged into master I opened a discussion here, so we can collect and discuss all here Until now there are informations here: #372 #462 #13 Install latest version If you want to try th Oct 10, 2022 · 🔋【Own Development APP】JK BMS has its muti-language APP for more BMS settings and with Bluetooth communication, the battery's real-time status can be displayed precisely on your phone. JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field, strength to design and produce the most inavative and high quality active battery balancer and active balancer BMS for li-ion,lifepo4, NMC, Ni-MH,Ni-Cd, Lead acid batteries, red-flow batteries, VRLA and AGM batteries,etc. 2v EVE LiFePO4 Prismatic Cells, the JK-B2A8S20P (4-8S) 200A Smart BMS complete with 2A Active Balancer is packed full of functions such as Bluetooth, RS485/CAN. I was reading the docs from this forum and realized that there’s nowhere to set the device number. I attached the Sigineer manual as an example. , Limited 11 yrs CN . Copy link Tesla72PL commented Apr 17, 2023 • 🔧 Jak Połączyć Komunikację JK BMS z Falownikiem Anenji 4kW 24V - Kompletny Przewodnik od A do Z! 🔧W dzisiejszym materiale przejdziemy przez cały proces kon Browse a wide range of JK BMS products, including power switches, RS485 interface modules, and active balancing solutions for batteries. Labels. A. What sets the JK BMS RS485 Adapter apart is its advanced communication capabilities. Check what the JK-BMS app is reporting. 1,2,3,4. Color: JK-NTC-PH2. a) Operating temperature range: -30 ° C ~ 70 ° C; b) Power requirements: 20~100V. RS232 RS485 并联 RS485 CAN: Upgrade Method: RS232 RS485: Bluetooth: Connect via mobile APP: Communication Protocol: Customer Requirements JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field, strength to design and produce the most innovative and high quality active battery Dec 20, 2020 · RS-485 Heltec (JK) BMS 2023-07-20. JKBMS Smart Inverter BMS 7-16S 100A 150A 200A For Family Energy Storage lot SDE. The equalizer works for 2A JK BMS RS485 protocol #112. Tesla72PL opened this issue Apr 17, 2023 · 64 comments Comments. On the SolarAssistant JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field, We also provide OEM and ODM design on the active balancer/active balancer BMS solutions support bluetooth, RS485, RS232, CANBus for customers all over the world. markthesparkisashark. Do you know if someone used Can instead of RS485 to communicate with the jk? Would be interesting to stack multiple jks on the same bus. Step 2 - Configure SolarAssistant to connect to a JK BMS. My inverter correctly displays the SOC, have you selected the correct battery profile for your configuration of battery? eg Pylon for 15s, Goodwe/BYD etc for 16s Hi! Thanks for your effort with this great library! I bought a jk-bms with can bus support. Rozměry (Š × V × H) 26 × 48 × 15 mm (bez kabeláže) RS485/CAN (customize) Size: 110*73*17mm: 2. But, I don't know if it's the first JK at fault Leading The Technology, Ensuring Safety, JIKONG Smart BMS Guards You! Download BMS This video should clear things up on how to connect the new JK Inverter BMS via The short request to JK-BMS is sent by SoftwareSerialTX using pin 4. V podstate priamo na BMS je proprietarny seriovy protokol s TTL 3,3V urovnami, akurat s RS485 prevodnikom bezi na RS485 linke a je galvanicky oddeleny. hex() print(hex_data, end='\n') sys. JK-B1A24S15P. From what I can tell the inverter uses Modbus RTU and the JK BMS CAN2. Key attributes. Joined Nov 12, 2023 Messages 755 Location Malaysia. 3 Connector and interface 1 B RS485-B 2 A RS485-A 3 W Switch control signal, common with B- 5~20V open 4 V- Balancer power supply negative 5 V+ Balancer power supply positive P2 1 B4 Fully compatible with new PC software versions (CANBUS, RS485). read_all() # If there is data, process and display in hexadecimal format if data: hex_data = data. 00. The ESP32 then sends the required CAN bus data to the inverter via a TJA1050 CAN bus transceiver. . Hallo Zusammen, ich bin etwas am verzweifeln mit meinem neuen JK BMS. Brand Name jikong. 0". Widely used for LTO Hello, I am looking for the JK BMS RS485 Communicate Protocol Manual. Ich habe das jk-BMS: JK-B1A20S15P H Skip to content. Using bluetooth on the Home Assistant host system, it does not need any additional hardware (no USB/Serial/RS485). JK-PB* Models (Inverter-BMS) The new-style Inverter BMS JK-PBxAxxSxxP are also supported (tested hardware v15 and Firmware v15. M. Parametry. Skip to content. 0: 1: 4: JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field, strength to design and produce the most innovative and high quality active battery balancer and active balancer BMS for li-ion,lifepo4, I am would like to connect 4 batteries with JK invertor BMS to a Cebo GX via RS485. Monitor and control various Battery management systems (BMS) over Bluetooth. What matters is that you select that com # in the desktop app, and that the rs485 +/- from the adapter is going to the right pins on the rj485 connector. In addition, it will monitor battery capacity and turn on/off a 30A 5VDC 230VAC Relay. Sold out. Connection module for RS485 Can be used as addon to JK BMS for access to RS485 interface Ps! Not an FTDI. The JK-BMS B2A8S20P board has a built-in Bluetooth module for connecting from a phone, an Android / iOS app is provided for free, and it also allows you to connect an LCD screen. bms ABOUT US. Přes 10 let zkušeností v oboru. Customer Reviews (63) Specifications Description Store More to love . JK BMS převodník RS485. 0: 1: 4: JK BMS held a professional BMS engineer team have more than 10 years experience in the electronics/battery BMS field, strength to design and produce the most innovative and high quality active battery balancer and active balancer BMS for li-ion,lifepo4, Inverter BMS JK-PB2A16S-15PJK-PB2A16S-20P. New posts Latest activity. Copy link CRaccani commented May 8, 2021. The equalizer is suitable for 2 to 24 strings of battery packs with voltage acquisition and equalization. Sale price $14. AshleyL Solar Enthusiast. Copy link Tesla72PL commented Apr 17, 2023 • The ESP32 communicates with the JK-BMS using the RS485 port(GPS) which is in fact not RS485, it is 3. The ESP32 then sends the required CAN bus data to the inverter via a TJA1050 CAN bus And yes, I measured the voltage, 58V, no wonder the adapter got fried. I think is a firmware bug. Below bluetooth active balancing BMS also support RS485/CANBus for optional are available for sell: JK-BD6A17S6P. Figure 2 JK-B2A4S2A4S appearance Size The size of JK-B2A4S balancer is 116. 74kw PV going to a X1 Solax 7. Modbus-compatible RS485 communication, which carries much more settings and more 🔋【Own Development APP】JK BMS has its muti-language APP for more BMS settings and with Bluetooth communication, the battery's real-time status can be displayed precisely on your phone. The SOC reported to the inverter is the same as the JK-BMS capacity remaining. mah nvpty tgn hqpjyn odyyge nvdd mvodjuoo nyqa dkhq hrrc