C100: How to care of canon battery (bp-955)

T

tom1

Well-known member
Like above , how should I care of battery , is canon recommend anything to make them longer alive ?
Some people say , battery should be charged up to half if you do not use them for longer period time
 
Ok so nobody take care , it is just battery :)
Is it better to run to the end with battery or leave 10-15% and charge again ?
 
I usually just charge my batteries to 100% and use them until they drain. I'll frequently leave one fully charged for extended periods of time -- sometimes many months -- without using it, and they continue to work fine. I've even had one particular battery since 2009. I used to use it on my XH-A1, and found it also worked on the C100, so I kept it and continued to use it. Still going strong 7 years later.
 
I have 5 canon genuine battery .3 battery got form amazon ( not from third party seller ) , 2 of them hold just only up to 60min at now . Another one when it is fully charge shows 240min , but after 10min of using shows just 120min . I do not know why is this happen , they are 1 years old , used maybe 30 times . I have to add that many times I leave them drain for longer time .
 
Ok I found some interesting things . Canon bp-955 are base on Lithium-ion.

  • They hold their charge. A lithium-ion battery pack loses only about 5 percent of its charge per month, compared to a 20 percent loss per month for NiMH batteries.
  • They have no memory effect, which means that you do not have to completely discharge them before recharging, as with some other battery chemistries.
  • Lithium-ion batteries can handle hundreds of charge/discharge cycles.
That is not to say that lithium-ion batteries are flawless. They have a few disadvantages as well:

  • They start degrading as soon as they leave the factory. They will only last two or three years from the date of manufacture whether you use them or not.
  • They are extremely sensitive to high temperatures. Heat causes lithium-ion battery packs to degrade much faster than they normally would.
  • If you completely discharge a lithium-ion battery, it is ruined.
  • A lithium-ion battery pack must have an on-board computer to manage the battery. This makes them even more expensive than they already are.
  • There is a small chance that, if a lithium-ion battery pack fails, it will burst into flame.

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