Why Do Some Batteries Last Longer Than Others?

Answer

Some brands of batteries last longer than others because they have a higher mAh level. This means there is more energy stored in the battery itself. The higher the level, the more energy is stored in the battery.
Q&A Related to "Why Do Some Batteries Last Longer Than Others?"
It's Monday and you're late for work thanks to the sudden death of your alarm clock's batteries-the same ones you replaced not too long ago. Yet while they only lasted a few weeks
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Batteries have different sizes and amounts of power. I don't think that is what they want to know. Some batteries (of the same size) last longer because they all have different mAh
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If you are talking about lithium ion batteries, the last 20% is slower due to recharge circuitry programming. Initially, the battery is in a constant-current charge sequence where
http://www.quora.com/Why-does-the-last-20-of-a-bat...
Different manufacturers often provide markedly different quantities of energy . In this experiment samples of cathode composit MORE
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Why Do Some Batteries Last Longer Than Others?
It's Monday and you're late for work thanks to the sudden death of your alarm clock's batteries--the same ones you replaced not too long ago. Yet while they only lasted a few weeks, the batteries in your remote control have thrived for over a year. So... More »
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