I run my hot spots 24/7 and they overcharge the batteries and puff up.Verizon already did one recall on the Franklin "Ellipse".I do a direct USB powering since many devices won't run without a battery.The photo show the one for the MiFi 8800L with a diode, a 51k ID resistor and a 100k thermistor resistor.It works fine, but I still wasn't happy with how warm the device got even without a battery.So I threw away the back plate, broke the glass/touch panel off the bezel and removed the...Read more