JKBMS JIKONG B/BD Display Guide: Compatible Models & Screen Views
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Quick answer: B/BD-series boards use B/BD-compatible RS485 displays: LCD 2.0, LCD 3.2, or the 4.3-inch display. The B/BD 4.3-inch display is not the PB 4.3-TTL model and cannot be interchanged with it.
This guide shows the exterior appearance and example screen views of displays compatible with the JKBMS JIKONG B/BD series. For other selection and interface resources, visit the JKBMS Technical Hub.
Compatible displays for the B/BD series
Choose a display specifically identified as compatible with the B/BD series. Confirm the full model and connection specification before ordering. Do not choose by screen size alone or substitute a PB TTL-P display.
Display appearance overview
The image below shows the exterior of the three B/BD-compatible display options.

LCD 2.0 screen view
This image shows an example of the LCD 2.0 display screen.

LCD 3.2 screen view
This image shows an example of the LCD 3.2 display screen.

4.3-inch touchscreen display
The images below show the B/BD-compatible 4.3-inch touchscreen and example battery information views.


Frequently asked questions
Which displays work with a B/BD-series board?
Choose a B/BD-compatible RS485 display: LCD 2.0, LCD 3.2, or the 4.3-inch model.
Is the B/BD 4.3-inch display the same as the PB 4.3-TTL display?
No. They are different specifications and are not interchangeable. B/BD displays use RS485; the PB models covered in the PB display guide use TTL.
Can the B/BD display connection be used as the PC host software connection?
Use the model-specific connection method rather than treating the display and PC interfaces as interchangeable. For B/BD PC host software communication, use a USB-TTL cable connected to the protection board's GPS port. PB uses a different method: an RS485-to-USB cable through its interface board. Do not mix these two connection methods.
Where can I find detailed product information?
Visit the Download Center for manuals and product files. If you are unsure which model to choose, contact us through the Support Center or WhatsApp.
Related guides
Manuals and support
Browse other selection and interface resources in the JKBMS Technical Hub. For manuals and product files, visit the Download Center. For help, visit the Support Center or contact us on WhatsApp.