I thought I would share my setup in case anyone else is interested in extending the battery life of the Manticore. If all goes well, I may be able to double the battery life. I have added a 10400 mAh power bank using a bicycle phone mount. The power bank that I selected is the size of a cell phone and works perfectly. I purchased the battery and mount on Amazon. Bicycle Mount Power Bank I will not be able to try in the field for a couple of months, but it swings nicely. I hardy no