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<blockquote data-quote="WayneF" data-source="post: 154005" data-attributes="member: 12496">I would not leave it always on charge.&nbsp; I even keep my toothbrush unplugged except maybe every couple of weeks for a day.&nbsp; It really depends on how smart the charger is however.The Nikon cameras also use Lithium ion batteries, and they say &quot;remove the battery from the charger when charging is complete&quot;.&nbsp; The lithium ion batteries go bad with 2 to 4 years of age (losing some of their capacity). Also the number of full recharges does the same.&nbsp; One philosophy is to simply use them, and replace them when necessary, they will need to be replaced when they don't hold much charge any more.&nbsp;&nbsp; Others try to maximize their life.It is not necessary to run them down low each time.&nbsp; Recharging early and often is better than running them way down, which is actually harmful (because deep recharge is harmful).&nbsp; It is not necessary to charge them to 100% level either... 95% is just about as good.&nbsp; And certainly there is no need to continue to cook them after they are ready.Here is a good article, perhaps deeper than general interest<a href="http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries" target="_blank">Charging Lithium-Ion Batteries</a></blockquote>

[QUOTE="WayneF, post: 154005, member: 12496"] I would not leave it always on charge. I even keep my toothbrush unplugged except maybe every couple of weeks for a day. It really depends on how smart the charger is however. The Nikon cameras also use Lithium ion batteries, and they say "remove the battery from the charger when charging is complete". The lithium ion batteries go bad with 2 to 4 years of age (losing some of their capacity). Also the number of full recharges does the same. One philosophy is to simply use them, and replace them when necessary, they will need to be replaced when they don't hold much charge any more. Others try to maximize their life. It is not necessary to run them down low each time. Recharging early and often is better than running them way down, which is actually harmful (because deep recharge is harmful). It is not necessary to charge them to 100% level either... 95% is just about as good. And certainly there is no need to continue to cook them after they are ready. Here is a good article, perhaps deeper than general interest [URL="http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries"]Charging Lithium-Ion Batteries[/URL] [/QUOTE]

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