can anyone help on this, i currently thinking about getting another charger for the aa's i want to have another set of batteries already charged on stand by ready for when the set im using goes bad. how long will the charged batteries hold there power. im trying to find out if its worth getting another charger if the batteries drain fast or do they hold there charge for a good while. thanks for any help on this. im using the powerex 2700 batteries and it will be with a basic charger. thanks again