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Buying the original battery brand that your Canon Camera came with will be the longest lasting.
Panasonic Batteries High quality basic, zinc and rechargable batteries. Panasonic EVOLTA NEO batteries have the longest life expectancy throughout the entire existence of Panasonic batteries. Superior execution, more prominent life expectancy and more secure batteries - that is the thing that we ensure with the EVOLTA NEO batteries.
Panasonic lasts the longest.. it worked really long. it lasted 5 hours and the energizer battery only lasted 3 hours.. we did an experiment checking which battery lasted the longest by taking pictures on a camera until the battery died.
The Kodak Original Nickel Battery is the longest lasting because its made specifically.
Try the Sony Walkman MZ-R91 Personal MiniDisc Player since it claims to have the worlds longest lasting battery life.
The newest and longest lasting are the lithium Ion batteries.
I would have to say the sidekick from T-mobile.
Panasonic hhr p104 is the manufacture number for a corldess phone battery. I have not used this particular item but according to the media they say it is an ultra lasting battery. The price range can be anywhere from $15.00 to $40.00 depending on where you are searching.
Oreck Vacuums are rated the longest as the lasting battery in a vacuum.
I would have to say the sidekick from T-mobile.
Dell's lithium Ion batteries are some of the longest lasting on the market.
The original brand of battery that the camcorder came with will be the longest lasting.