A, yeah 4 hours isn't 19. The bear minimum I would purchase this would 12 hours, serious.
But I only plan to:
Wake up put it on,
Look at the time maybe 15 times during the day.
When i get 3-5 texts a day look and see if they are an emergency.
But the kicker is this, I will be able to get into my 2010 SUV, that will be paid off, and sit down and press play to start my music to feed the Bluetooth dongle patch I have because my bluetooth doesn't do music, that I paid 10...