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Connecting a Dyness / Mecer battery

Protocol selection

On the SolarAssistant configuration page, select the protocol below.

Select serial protocol

Go to the "Advanced" settings.

SolarAssistant advanced settings

Set the protocol variant to "Dyness".

Set protocol variant to Dyness

Dip switch configuration

Set your Dyness master battery on the "Axpert" protocol and baud rate 9600. The Dyness battery manual specifies turning only dip switch 2 to ON.

Dyness A48100 BX48100 dip switches

Connection cable - Dyness A48100 and BX48100

Connect the Dyness RS485 cable to the battery RS485 IN port.

Dyness BX range

Connection cable - Dyness B3 / Mecer M3000

We do not sell a ready made cable for this battery. If you have a crimping tool, you can crimp your own own cable according to the pinout below.

Dyness B3

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