Lithium-ion batteries have high energy density, lighter, can handle recharge/discharge cycles, low charge losses per month(around 5% per month of its charge only.)
Lithium-ion battery packs are expensive, to make yours to last longer, here are some things to keep in mind: - Lithium ion chemistry prefers partial discharge to deep discharge, so it's best to avoid taking the battery all the way down to zero. Do not use up all the charge stored in the battery Since lithium-ion chemistry does not have a "memory", you do not harm the battery pack with a partial discharge. If the voltage of a lithium-ion cell drops below a certain level, it's ruined. Unlike Nickel-cadmium battery, they have no memory effect, which means that you do not have to completely discharge them before recharging.
"Memory Effect:
This is when the battery is continually recharged before it has discharged more than 50 percent of its power, causing it to essentially "forget" that it could fully discharge to begin with. Therefore, the battery can no longer store as much as its actual power capacity. Battery life shortened."
- Lithium-ion batteries age. They only last two to three years, even if they are sitting on a shelf unused. So do not "avoid using" the battery with the thought that the battery pack will last five years. It won't. If you are buying a new battery pack, you want to make sure it really is new. If it has been sitting on a shelf in the store for a year, it won't last very long, because it degrade as soon as they leave factory. Manufacturing dates are important.
- Avoid heat, which degrades the batteries. Lithium ion extremely sensitive to high temperatures. Heat causes lithium-ion battery packs to degrade much faster than they normally would.
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