Hi all, battery life in the SAFARI is a sore point with me at the moment, the 1600mah Minelab pack as supplied is lasting me between 4-5 hours from fully charged. I purchased some Panasonic 2100mah nimhs which are only lasting around 2 hours from a full charge! so i purchased ANOTHER set of the Panasonic rechargeables (also 2100mah, identical to the first set) believing that the first set were faulty in some way, again, about 2 hours maximum use from a full charge. SOOOOOOOOOOOOOOOO, off i go and buy some reasonable alkalines believing that it should be beneficial (alkalines being 1.5v as opposed to recharg's 1.2v), these are giving me about the same detecting time as the Minelab 1600mah pack (i prefer to spend a couple of