It does not make a difference if it is dead or not actually. It should take max 3-6 hours to charge to full power even if you still have battery allowed. There is a big difference in how long it will finally. There is a standby mode when you aren't using it which most phones last up to a few day

Water is one the most important items in your pack, and melt off the heaviest. Demand it to sustain energy. You demand it to avoid body aches, headaches, and having so uncomfortable that you don't enjoy your hiking experience. The lithium batteries is, with no doubt, the most expensive watch