GE is known for its reliable and long lasting power supplies.
AAA is the smallest of the real common batteries, and holds the least power and has the shortest life for a given drain. D is the largest of the real common batteries and holds the most power and will last the longest for a given drain.
the answer is big mints
Jergens Ultra Healing
Energizer batteries last the longest for electronic games. They last 20 hours or longer.
Tropical twist
Arcosteel last a very long time due to being metal.
A name brand treadmill recommended by your local sporting goods store will last along time.e
The true religion brand on fade resistance is the best for longitivity.
The best power supply I've used is the Hurricane digital power supply, it has many features my favorite being that it remembers your last settings.
Anything built with High Desnity PVA Polyester is built to last
All of the brands make these claims.Panasonic in particular makes the claim for their Evolta battery.
HP 95 Tri-Color and HP 99 Photo Inkjet Print Cartridges are probably the longest lasting in my opinion.