Follow up with the prevous entry regarding battery charging: Tips on travelling and batteries. There is a good information on the “Do” or “Don’t do” on handling such as Charging, Discharge, Service needs, Storage, and Disposal information for each type of battery (Nickel-cadmium (NiCd), Nickel-metal-hydride (NiMH), Lithium-ion
(Li-ion) and Lead-acid (Sealed or flooded)). You usually can find out what type is it if you look at the label on the battery. If you follow those tips in the table, your battery should have longer life.