Maisheng MP3040D Professional 0-30v 0-40a Adjustable Power Supply Cells Press the yellow button in

Press the yellow button in and turn the knob to select "English

The 2nd photo shows the easy BMS wiring schematic

Compact and user-friendly interface

Condition & Notes:

Maisheng MP3040D Professional 0-30v 0-40a Adjustable Power Supply Cells Press the yellow button inThese are all brand new in the original box. Comes with the 110v power supply cable. There are power connections with ring terminals on the back of this unit as you can see in the 2nd photo. If you are going to use this for 11 40a you want to use the connections on the back. The connections on the front can be used up to 10a. This charger is built solid and can handle high current. It's one of the most powerful 110v chargers for batteries up to 30v.