On Monday, September 25, 2017 at 5:31:19 PM UTC-7, Roy B. wrote:
Friends:
I am looking for a supplemental power pack that is easily rechargeable, reasonably compact, and will run my Oudie for 5+ hours on a single charge. Any suggestions?
ROY

https://www.amazon.com/Jackery-Premi...FNV9V9NYGRYKKQ

Less than $30 from Amazon. I've had mine for a year and have been very satisfied with it.

Craig