Most of our HPCs are dumb devices when it comes to battery charging. That is they supply a constant voltage to a battery pack, and rely upon the circuitry of the battery to cut off the charge when complete. This means that by using higher capacity batteries, you can get extended usage ...
It seems I need to provide a "Battery Management System" (BTS) and I see them on sale on eBay and Amazon. I do not see Lithium batteries for sale online. Amazon search just sucks. Probably a part of it is that they will not ship lithium batteries due to danger of fire. Also, I ...