20 to 30 min
10 years for one batterie
4 - 8 hours
normally 8 hours
It depends on what kind of battery it is.
See related links below.
charge 4-6 hours, no more.
Most Sites Say 6 hours the initial charge and 4 hours every subsequent charge.
If you mean how long is the cartridge for an AK47, it's 39 millimeters long. The caliber 7.62x39mm.
About 2-3 hours
4-6 hours depending on if it is completely drained.
about 870 milimeters