the battery in mine measures 26 X 37 X 3.5mm I think it is a couple of hundred mAh. There is some "extra" room for a bigger battery
I an 3D Printing a enclosed case for mine, and will see what will fit. I will post pictures of the case when it is done (back is printing now)
something like 800mAh might be good (H = 8mm W=27mm L=35mm)
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On 7/13/2019 8:53 PM, JIM Rogers via Groups.Io wrote:
I just received my nano vna today, from Banggood. It was shipped without a battery. I was wondering what battery others were using. I did see some mention about a cell phone battery, but not model number of battery it was.