JK BMS Display


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Display device for JK BMS

There are two versions, 2″ and 4.3″.

2″ Display Specification

Screen size: 2″
Display content: Battery pack voltage, current, SOC
Device size: 60.6 x 36 x 10.6 mm
Cable length: 2.5 m
Power supply: BMS powered
Additional features: BMS activation switch

Instructions for Activation Switch Key

1, BMS off state, short press the button on the left side of the screen, will activate the BMS.
2, BMS shutdown state, the display does not monitor the BMS has current output within 10S, the display will turn off the backlight to reduce power consumption.
3, BMS power on state, if the display is not currently displaying content, short press the left button, the display will open the backlight.
4, BMS power on state, if the display shows the content, short press the left button, the display turns off the backlight.
5, BMS power on state, long press the left button for 2 seconds, BMS shutdown.


4.3″ Display Specifications

Screen size: 4.3 inches
Display content: battery pack voltage, current, SOC, individual cell voltage, temperature, etc.
Device size: 136 x 89 x 25 mm
Cable length: 2 meters
Power supply: external 12V power adapter


If you want to have a screen to visually read the battery pack status, consider choosing the 2.5″ display. It has a high cost performance.
The 4.3″ display is more expensive, although it shows more content. And the data can be read on the phone’s app.


Weight1 kg

2" Display, 4" Display


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