10 hours.
No. Their battery will be slightly depleted
not long ago
a car battery last for about 3-5 years
In the newer Macbooks, you don't. http://support.apple.com/kb/HT2037
MacBooks are popular among consumers because of their sleek design, high performance, user-friendly interface, and integration with other Apple products. They are known for their reliability, security features, and long battery life, making them a preferred choice for many users.
As long as the battery is kept charged then it should last 3-5 years.
a panasonic triple a battery last about 4 hours nonstop.
about a year.
8hrs
Forever.
No the battery is built in but should last a long time.
A Sanyo phone battery last just about as long as any other battery. Most batteries are manufactured by just a few different manufacturers, and then rebranded.