Switch branches/tags. 3inch LCD touch screen display 2. com FREE DELIVERY possible on eligible purchases Note: RS485 module /LCD display don't include in BMS , if you need them , need to buy seperateply ~ JK 8S-24S Active Balance Battery Protection Board Smart Bluetooth BMS 8S 10S 12S 13S 14S 15S 16S 20S 24S RS485 APP Lifepo4 li-ion LTO 24V 36V 48V 60V 72V 84V 8S-17S 40A Continuous current 0. Author upnorthandpersonal; Creation date Jan 28, 2022; Overview History. Both LCD screen with 3M length extend cable with waterproof 6pin air plug Big LCD screen need connect to DC12V when use, so you need a Buck converter when use When the BMS is turned off, press the button on the left side of the LCD screen for a single Jan 31, 2021 · JK-B2A20S20P-CAN. JK BMS 8-24S - 200A Continuous - 350A Peak - 2A Active Balancing - JK-B2A24S20P. Definition: Enable heating when cell temperature is below -20°C during charging, stop heating at -10°C. The only pair having 140 ohm is 7 and 8. Купити. Anyway, its all working pretty well aside from a few niggles (the JK is running the latest firmware as of a month ago or so, 15 Location. When it displays “OFF”, it means the BMS charge/discharge MOS is off and the battery is not allowed to be charged/discharged. Looking again in the box and I found an old board with the smd not soldered all close but but far enough away to allow me to desolder them with the soldering The short request to JK-BMS is sent by SoftwareSerialTX using pin 4. Name Model Qty 1 BMS Board JK-PB1A16S-20P 1 2 Display Screen LCD-3. esphome: name: ${name} comment: ${device_description} project: name: "syssi. Location. This looks great. 0 platform: ESP32 board: esp32-s3-devkitc-1. 55 inch, veți putea să monitorizați și să controlați bateria sistemului dvs. 4. aliexpress. Any answers thanks. Through the use of a 75A/150A/500A current shunt, the battery monitor measures the discharge or recharge currents and calculates the Ampere-hours (Ah) going in Aug 12, 2021 · I ordered the 4. В наявності. 24, using JK02_32S (reported by @austin202220 ) JK-BD6A17S6P, hw 7. The port can be used to turn the BMS on (short press = 1s) and off (long press = 3s). JK BMS Active Bluetooth BMS Manual. Note:LCD needs to use two BMS interfaces, LCD + RS485 interface. Min. PLEASE DONOT CALL. I just wanted to mention that the Hankzor store on Aliexpress has the JK BMS with a screen option. com/e/_ Dec 9, 2023 · So, after testing like 5 different firmware for the inverter #jkbms , the new v14. ⚡ JIKONG accessories. If I set the bms to the growatt protocol, the inverter charges the battery with intermitting amps, fro 00 to 10A within 1 or 2 seconds. Shipping not included in above price, I also ordered 36-304ah EVE cells and a few other things. Z. 【Multiple Chooses】JK BMS can be used in 12V 24V 48V,4S-24S,100A-350A max current lifepo4 battery system, and 0. 695 грн. JK BMS 3. This is a LCD “HMI” touch screen display compatible with all models of JK SMART BMS. You will need a RS485 to UART adapter, in addition to the JK adapter. I recently setup a victron system (MP2 5kva, cerbo, 150/45 and 250/100 MPPTs) with a DIY battery (16x EVE280V3) and new JK inverter 200A BMS (no smartshunt, JK calling the shots over CAN). Mar 24, 2023 · using the board like this at least does start it and BLE and MQTT is running. 5. Setup a BMS Product Overviews: Battery Active Equalizer (JK-B1A24S RS485) is a balanced solution for large-capacity series lithium battery packs Management system. However, when trying to charge the BMS, the charging MOSFETS seem to remain disabled and I am unable to charge the BMS. JK-B2A20S20P-Heat. the equilibrium starting condition is reached; when “OFF” is displayed, the. Dec 2, 2023 · 1. Every Day new 3D Models from all over the World. 5" LCD Monitor Screen 1. This product is an intelligent lithium battery protection board designed for energy storage applications. Jan 4, 2022. AliExpress product link Dec 21, 2022 · The discharging of the BMS however seems to be normal, discharging with 100A from all the BMS without any issues and the BMS functioning as and decoupling in case of under voltage or over discharge. Display content: Battery pack voltage, current, SOC. The BM21 Smart Battery Monitor is a high-precision meter that allows you to check the status of your battery via your smartphone with the smart battery monitor app and an LCD dispalyer. The JK-BMS provides multiple interfaces from UART, CAN, RS485 and BLE. I don't like the case which will lie flat on the ground. 5" LCD bespoke to the JK-B2A8S20P BMS (including -H variant). cz Jun 28, 2024 · The screen shot in my previous post is of a battery just turned on and never charged, same has happened on both batteries I built. I turn on Battery Switch #2, JK BMS#2 turns on and immediately starts charging after bootup. 5″ Display Screen for JK BMS . 130. Dec 26, 2023 · tinka-io/JK_BMS_Display. UK. The third has a connection for a heater pad to warm the battery. But I agree about the voltage nonsense. Key Features: - Real-time parameter display: JK BMS LCD Display (2. (Bluetooth). It has a two inch screen that displays the battery SOC, current, battery voltage, and error codes. The JK balancer and BMS are using active balancing technology which is not wasted but redistributed within the battery. . Jul 6, 2021 · 2. 6. 6A Active Balance 8S-20S 60A Continuous current 0. 00. It also has a power button on the screen to easily turn the BMS on and off. Once you click "connect" on the configuration page, you should see each BMS show up as a battery pack Dec 25, 2019 · 63° North, Finland. 2/0 AWG Copper battery 2pack Electrical Terminals $ 3. When BMS is off, press the touch button on the left side of the LCD screen once to turn on the BMS. I just built two 460Ah/4S packs using the JK 8S/200A BMS with a 12v-24v boost converter. Typically, JK BMS models are named in the format of JK-B2A8S20P. Therefore I made a cable connecting 8 with 1 and 7 with 2. 13 is apparently the one which we have waited for. 5 та 4. 2, sw 7. CAN. JK Active Balance: The JK Smart active balance the voltage differences between the battery cells, raising the battery usage efficiency to 95%, providing the battery a longer life. I turn on Battery Switch #1, JK BMS#1 turns on and immediately starts charging after bootup. My question at this time is to @Nami regarding extending the included, very short (30cm / 12") LCD/push button cable. Feb 26, 2022 · In diesem Video schließe ich zum ersten mal ein JK BMS an, es handelt sich bei mir um dieses Modell: JK-B2A24S15P. Also try the pylontech, Goodwe and fss canbus from the JK as they also worked with my SMA. JK BMS într-un mod simplu și eficient. 12v 24v 36v 48v 72v battery screen lithium battery electric quantity voltage digital display This display screen specially developed for JK active balance smart bms 20-100V input voltage, compatible with 3-24 series lithium battery pack. 00 plus $110. Power is taken from an USB power supply connected to the Nano. You would need the small JST plug to connect to the BMS though. 01mA• BMS On Overhead 2mA• BMS and LCD On Overhead 205mA• BMS must be turned On to activate the integrated Bluetoot Cu acest display JK BMS de 2. You do need to start a chat to get a real quote with shipping. 5*83mm Guangdong, China. It has finally arrived: the JK BMS with integrated active balancer. 3 дюйми для BMS від JK (Jikong)* можна придбати за посиланням https://s. Dry Contact. Buy Smart BMS JK Bluetooth Smart BMS 7S 8S 200A 1A 2A Active Balance Lithium Battery Protection Board 24V Lifepo4 Li-ion Batteries Protection Board with Balance (Color : 4. 29 USD Product Link: ** Possibly adding [LCD for 60P] display module but not sure ATM. (Configurable temperatures) This display screen specially developed for JK active balance smart bms 20-100V input voltage, compatible with 3-24 series lithium battery pack. Apr 7, 2024. I’d like to add a power button (I have no screen). Add to cart. I then Hallo, ich habe jetzt bereits mehrfach 48V Akkus mit dem JKBMS JK-B2A24S20P umgesetzt, und finde es richtig gut. : Product Model JK-PB1A16S-20P Version V14. Jun 20, 2024 · Графічний дисплей, індикатор до БМС плати JK BMS (Jikong Display) Артикул JK-DISPLAY. My JK BMS is on its way from china and although I understand 16s wiring for it I’m sure I’ll have a YT video going during the “wake up” nonsense. 5In Monitor Category: ACCESSORIES Tags: jk , JK 3. Hi, I recently bought the Jk 200amp bms with the lcd display, I stupidly pulled the wires from connection plug (screen to bms) now I do not know which wire goes where, I contacted the seller on Aliexpress, but they just sent me some vague pictures that do not help. I wish to locate the display about 25ft from the actual BMS. My thoughts are to use CAT6 cable to extend the distance between the BMS and the LCD display. 3'' 4. 2. 00 - $15. Meter from the Battery terminals +- out one connection at a time till where the voltage drops, this will be your issue. The manual says 12 and 13, but my JK doesn't show any resistance. You can do the same with Arduino, if you have a free serial/UART port on it. 5inch LED Display Lifepo4 LTO Lithium ion Battery Pack System No reviews yet 3 orders #13 Most popular in Metal Core PCB Shenzhen Beiersite E-Business Limited Multispecialty supplier 6 yrs CN This display screen specially developed for JK active balance smart bms 20-100V input voltage, compatible with 3-24 series lithium battery pack. £19. 6-2A balance current, will be the perfect BMS for your system. The equalizer is suitable for 2 to 24 strings of battery packs with voltage acquisition and equalization. Find the perfect solution to optimize your battery management system. 5 inch LCD "HMI" display shows all battery vitals including the status of your batteries, cell voltage, current flow, and other useful battery parameters. The ESP32 communicates with the JK-BMS using the RS485 port(GPS) which is in fact not RS485, it is 3. . Jun 18, 2020 · The ABYC specifies that now and I was surprised when my boat, built in the US in 2016, had all yellow negative wires. Absolutely no wiring required, the screen 2. English manual for the JK BMS. ⚡ Activation button. With comparable performance less space is required. 3 Inch Display Monitor $ 38. В бажання. "JK BMS" APP is a mobile phone management software for active balance series products launched by Chengdu Jikong Technology Co. 5In Monitor , JK LCD Display , JK Monitors , JK Screen , lcd display , LCD Screen Dec 20, 2022 · Highlights:• BMS Standby (off) Overhead 0. Both LCD screen with 3M length extend cable with waterproof 6pin air plug Big LCD screen need connect to DC12V when use, so you need a Buck converter when use When the BMS is turned off, press the button on the left side of the LCD screen for a single Oct 29, 2019 · JK-BMS [24S 2A 150A BT] with BlueTooth Part Number: B2A24S15P $143. Since there is no waste heat like passive balancing, cooling for this is no longer necessary. This touch screen can be used to program the parameters into the BMS on the go 3. #16. Smart JK Big Touch Screen Display for Bluetooth BMS. 2022-01-04. Both LCD screen with 3M length extend cable with waterproof 6pin air plug Big LCD screen need connect to DC12V when use, so you need a Buck converter when use When the BMS is turned off, press the button on the left side of the LCD screen for a single All JK-BMS models with software version >=6. Key Features: - Real-time parameter display: JK BMS bluetooth Manual cherry@3apower. All JKBMS 3. NOTE::Temperature sensor:RS485 interface(At present, all JK BMS are configured with RS485 The BD6A24S12P Active Balancer BMS has a working voltage of 20~100V, making it suitable for a range of applications. Model: JK-BD6A24S12P JK BMS Beginner Tutorial Active Balance BMS Guide setup with display part 1. 1. Mini JST SH 1. You can actively see the status of your batteries, voltages of each cell 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. 1 відгук. You can actively see the status of your batteries, voltages of each cell, current flow, and many other Mar 10, 2023 · All-in-one Perfect BMS?? Active balancing, Bluetooth APP, Display screen, Charge and Discharge control, built-in protections this JK Battery Management Sy Please subscribe to our YouTube channel for future updates 😊. click. See full list on energiepanda. Jan 28, 2022 · JK BMS documentation on protocols, provided by Hankzor 2022-01-28. : Product Model JK-PB2A16S-15P Version V14. Additional features: BMS activation switch . order: 1 piece. Definition: Dry Contact 1-PIN1 to PIN2: NC, closed during fault or protection; Dry Contact 2-PIN3 to PIN4: NC, closed for low voltage alarm. 4 yrs CN This touch-screen LCD allows you to monitor all relevant data from your battery. I believe that the Victron equipment will NOT converse with the JK BMS. Sold out. JK BMS has a great naming rule that allows you to identify its maximum current, number of supported battery cells, and active balancing current quickly. main. Heating Function. , Ltd. Not sure if this is actually a JST connector. If BMS needs to be linked to LCD, RS485 interface cannot be used at the same time,It is recommended to use Power Board configuration to actively activate the button of BMS. It seem that Hankzor is the only store The BM16 Smart Battery Monitor is a high-precision meter that allows you to check the status of your battery via your smartphone with the smart battery monitor app. In this naming convention, three letters, A, S, and P, are used to represent the active balancing current May 23, 2023 · 781. Best JK BMS display 4. 55. both were at 52. This data is easiest accessed via BLE. 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. Both LCD screen with 3M length extend cable with waterproof 6pin air plug Big LCD screen need connect to DC12V when use, so you need a Buck converter when use When the BMS is turned off, press the button on the left side of the LCD screen for a single Display Screen. Through the APP, you can easily view and modify the performance parameters of the lithium battery. Messages. Browse a wide range of JK BMS products, including power switches, RS485 interface modules, and active balancing solutions for batteries. 00 for JK BMS with screen each. 0 Date Accessory List No. Description. Power supply: BMS powered. I have several JK BMS B1A8S20P, the silver looking open cased ones, not the earlier black enclosed versions. Device size: 60. They are all similar hence why they work but the Deye may prefer one over another. The equalizer uses a supercapacitor as a medium to achieve active energy transfer equalization. The aim is to get the data out of the BMS and into Grafana where we can review battery performance in realtime or historically. This 2″ display also has a button to activate/deactivate the BMS. I've spent a long night Step 2 - Configure SolarAssistant to connect to a JK BMS. 2 LCD Power Board Display for JIKONG BMS quantity. com Jul 6, 2023 · The JK 2″ display is a companion display to the JK BMS. 0 1 3 Interface Board JK-CN-Link-V1. com Tel/whatsapp:86-13924612941 1. Download. If I set the protocol to Pylontech, the charge is no problem, but the inverter does not increase the SOC. At least that is my understanding. The JK Inverter BMS 200A with 2A active Balancer with screen and case from Luyuan. 87 ish and showed 69% ish. : Customer Part No. Select one or more USB cables and click connect: Plug the RS485 USB cable into the SolarAssistant monitoring device. Dec 29, 2021. Delta cell voltage (V) Dimensions: 121 x 75 x 8 mm. JK-BD4A8S4P, hw 11. May 4, 2023 · Learn how to choose and use the JK battery management system for your project. 1 Main technical indicators The main technical indicators of the protection board are shown in Table 1. 4A Active Balance 8S-17S 60A Continuous current 0. Add to Basket. 3 %. 3V TTL so it can be directly connected to the ESP32. Замовити швидко. Jan 20, 2024. This means no more messing about with 9V batteries or power supplies to turn on the BMS. Overview History. I'd love to be able to eliminate the boost converter, and run 4S directly. The LCD can display the following: State-of-charge (SoC) Charge or discharge current (A) Battery voltage (V) MOS and battery temperature. 0 are using the implemented protocol and should be supported. 73. 3 inch LCD touchscreen display shows all battery vitals including the status of your batteries, cell voltage, current flow, temperatures and other useful battery parameters. I turn off that Switch #1 (this will bring Deye back into Float Charge mode), but JK BMS#1 is still ON. B1A8S20P/B2A8S20P can plug and play without used RS485 interface. 5") Fogstar. upnorthandpersonal. Table 1 Main technical indicators of protection board Spec Model BD6A20S10P B1A24S15P B2A24S15P B2A24S20P Specification Confirmation Form Customer Name: Customer No. Apr 23, 2022. The equalizer works for 1A The equalized Feb 21, 2023 · JK BMS Naming Rule. 6A Jun 4, 2021 · They read the JK info from the RS485 port. This touch screen can be used to program the parameters into the BMS on the go, without needing to bring along a laptop for programming modifications. 0 (3 Reviews) 11 orders Shenzhen Changxiao Automobile Technology Co. Oct 5, 2022. #1. Turn the BMS on and it displays the 16 cell total voltage and a SOC %. The JK manual says either pin 1 and 2, or pin 7 and 8. There is no pin pair where to measure ~100 - 140 ohm. But overall i will take functionality over JK BMS LCD screen bms display. May 16, 2024 · 836. Not sure on the 48 volt boxes but I don’t think they are over $300. The second has a port for CAN-BUS. 0H Jun 18, 2020 · Joined. Watch this video for a detailed review and explanation of all settings. Apr 20, 2022. Technical Specifications. I had the same with all packs "at first" but once configured and the settings made, everything is JK BMS LCD Touchscreen Display (4. xw, sw 11. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. View Details. 0 1 4 B+ JK Smart BMS Accessory LCD Touch Screen LCD Display for jikong pcb Battery Management System Display Size. RS485 to Growatt. 1. All three have Bluetooth communication and software for Android and IOS. 2" LCD for checking battery status. The all-in-one solution, Product Overviews: Battery Active Equalizer (JK-B2A24S) is a balanced solution for large-capacity series lithium battery packs Management system. Dieses BMS wird als 8-24s verkauft, sprich Jan 13, 2022 · 4. Share this: Compatible with both the JK-B2A8S20P and JK-B2A20S20P - this 2. The App UI is also a bit dated. BMS Aliexpress affiliated link: https://s. 5") Fogstar Compatible with both the JK-B2A8S20P and JK-B2A20S20P - this 2. Sends over CAN bus to inverter: Battery Voltage; Battery Current (+charge, -discharge) charged/discharged. 5inch LED Display Lifepo4 LTO Lithium ion Battery Pack System 5. Aug 31, 2022 · I had 2 possibilities: - buying the new led from aliexpress (wasting time and money on this tiny display) - replace the burnt led with a resistor to simulate the voltage drop of the led. JK Big Screen Display. The ESP32 then sends the required CAN bus data to the inverter via a TJA1050 CAN bus transceiver. (4) $185. I use the new JK bms on my diy battery in combination with a Growatt sph 4000. √ Yes No. At this point, both JK BMSes are ON. With the rapid growth of the renewable energy storage market, the demand for battery management systems is increasing. Click to find the best Results for jk bms Models for your 3D Printer. JK LCD Screen. 3. Leider hat es einen Harken, denn man muss zum "Einschalten" des JKBMS eine "überspannung" erzeugen (es gibt keinen Einschalter). #7. Through the use of a 75A/150A/500A/750A current shunt, the battery monitor measures the discharge or recharge currents and calculates the Ampere-hours (Ah) going in and out of the Aug 20, 2022 · Can anyone identify the connectors used on the new black JK BMS, for the No3 LCD display 6pin 1mm pitch and carries a thin spade locator - NOT JST AFAIK. The ESPHome project mentioned another way to connect directly to the JK but sounds a bit risky. 6 x 36 x 10. The JK has undergone a lot of fine tuning over the months as reported here and has a better charging algorithm implementation. JK BMS LCD Display (2. com/e Jul 27, 2022 · 【Own Development APP】JK BMS has its own APP and Bluetooth communication, the battery status can be displayed precisely on your phone. 3") Compatible with both the JK-B2A8S20P and JK-B2A20S20P BMS - this 4. 99. Apr 30, 2022 · 3. 0 1 4 B+ WHO WE ARE. – for the 4s-8s BMS – for the 8s-24s BMS AliExpress product link You can also just use a USB-TTL adapter and connect Tx, Rx and ground directly to the BMS (no need for this JK-adapter here then). *LCD дисплеї 2. Apr 8, 2023 · The JK-BMS provides numerical data output for all the various voltages, currents etc. WhatsApp through Apr 20, 2024 · JK LCD Screen. Brand Name. JK-BMS display port Since hardware version 10 the JK-BMS comes with a display port. 6 days ago · "JK BMS" APP is a mobile phone management software for active balance series products launched by Chengdu Jikong Technology Co. #4. 3 inch Display, Size : JK): Power Converters - Amazon. 4. External on/off switch. Feb 4, 2022 · In this video, I'm going to test what is the real balancing amperage for this BMS/balancer. Oct 10, 2022 · 🔋【Package Included】JK LiFePO4 Smart BMS (with Bluetooth and temperature sensor)*1+connection cable *1+matching balance Wire*1+Heating cable*1(Only for B2A8S20PH) Report an issue with this product or seller 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. Current is 40 mA for a dark 2004 display Feb 28, 2024 · Find many great new & used options and get the best deals for JK BMS LCD Display/RS485 Converter/Power Switch/Transfer Board/ Touch Screen lot at the best online prices at eBay! Free shipping for many products! Compatible with both the JK-B2A8S20P and JK-B2A20S20P BMS – this 4. Quantity. 98 or FREE (orders ≥ US$99) JK BMS JIKONG Active Balance Smart BMS Mar 15, 2024 · This display screen specially developed for JK active balance smart bms 20-100V input voltage, compatible with 3-24 series lithium battery pack. Default 12 volt lead acid battery. Please note: this screen is for viewing battery parameters only. 6 mm. 80. Feb 5, 2022 · Follow the instructions that came with JK BMS: The BMS B-(blue) needs to go directly to the Battery - The BMS P-(black) can go to circuit breaker and shunt. Package Includes: Display screen; Mounting bracket; BMS cable Apr 7, 2024 · 77. free Downloads. $10. 5 Inch Display Monitor quantity Add to cart Buy Now SKU: JK 3. Acest display de înaltă calitate vă oferă informații importante despre starea bateriei și vă permite să faceți ajustări pentru a vă asigura că bateria funcționează optim. 0mm Pitch Wire Connector SH 1mm. Nov 16, 2023. balance is off, and the BMS will not Jan 4, 2022 · JK BMS Active Bluetooth BMS Manual 2022-01-04. ⚡ mivvyENERGY. JK UART RS-485 Module for Sep 7, 2022 · JK BMS Accessories --- JK original digital monitor is suitable for all kind of JK BMS board, able to be used for 10-100V (12v 24v 36v 48v 60v 72v 96v) lithium battery,lead-acid battery, lithium iron phosphate battery, Ni MH battery. Add to cart Compare. Name Model Qty 1 BMS Board JK-PB2A16S-15P 1 2 Display Screen LCD-3. ⚡External display for BMS JK. WhatsApp only when you really want to purchase the product. May 19, 2024. Sep 25, 2021 · This is one of the most exciting delivers I got for a long time. JK BMS - 2. When BMS is on, the display will turn off the LCD backlight to reduce power consumption if no current output from BMS is detected for 10 seconds. On the SolarAssistant configuration page, select the protocol below. 2 inch color LCD. Specification Confirmation Form Customer Name: Customer No. JK. With advanced features and cutting-edge technology, the BD6A24S12P Active Balancer BMS is the ideal choice for those looking for a high-quality lithium battery management system. Shipping > Standard: US$9. The JK Deye canbus worked with my SMA SI5048, as you have sorted out the 4 and 5 pins it should work. 2530 "jk bms" printable 3D Models. 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 / Nano. JK BMS 4. The equalizer works for 2A The equalized current is Nov 5, 2022 · 1. *Balance: When “ON” is displayed, the BMS will automatically balance when. esphome-jk-bms" version: 1. I just ordered four custom 8s boxes for $160. I’ve ordered my own switches (non-latching) and some suitable connectors, but am struggling to figure out how to actually make the switch work. 2-RS485-V1. P. next step is to get the display running. 5 inch LCD "HMI" display shows all battery vitals including the status of your batt JK BMS display 4. sa fs dz bd is qm dt lq iq ll