80 minutes, according to their website FAQ
Until its fully charged, you idiot.
A very, very, long time with direct sunlight. Charge your battery with a battery charger
This depends on what material the plumber uses, what fittings the plumber uses, how much piping will be used and how long the plumber will take.
Define technology. Tools are technology, which would make the first tool user the first person to make technology. It was a long time ago.
It is always best to replace batteries with identical batteries. However if the replacement battery has the same voltage and the same physical construction (so it will connect electrically) it can usually be used as a replacement. The mah rating (capacity) only says how long it takes to charge and how long it will run between needing a charge. However some charging circuits might experience problems if this rating is significantly different from the original.
It shouldn't take long, you have to plug it into Itunes first and it should already have some charge at first!
24 hr.
My friend have worn the ankle bracelet two years.
Charge it all the way till it's full
Leaving it to charge for around 3 hours will guarantee a full 100% charge.
About 90mins
Its not a bracelet it's a watch so he can keep track of how long he can be outside before sunrise
about 360 feet long
until you break it
10 years
3-4 hours
A box that contains a bracelet should be big enough to fit it while it is fully unraveled. That way you don't cause any unnecessary damage to the bracelet.