Talking abt batteries, at the States, is it Energizer and
Eveready or Duracell dominating the battery market?
Here is Energizer and Eveready. So many types, Eveready (Black cat
left, red cat no more in production), Energizer Alkaline, Energizer
Max, Energizer E square... But the same rule goes, never ever give
a higher performance battery to your equipment 
It'll given irreversable damages to it
