So telling people to charge for 8 hours is easier than telling them to charged it then take out leave it alone for 8 hours before using it.
Unless there's proved that the charger continuously doing top-up charging after it is fully charged.
Where as a battery charged for 1-2 hours will feel warm and it will start to discharge with the air because it's still active and heat helps to accelerate the chemical process.
The modern day battery does not need to stabilize. So my test is still accurate.
err. .... i have a multimeter and I did my tests to prove it.
You claimed you had one but you did not do any tests. Then you chide me and say I think I am not the alone one with multimeter? I am puzzled why you even bother to bring up that you had one and but did no tests.
Current flow shows nothin (0.00A) when charging had stopped. Then you say "but sometimes, in practical, things do not work the same as you plotted on theory".
Its is not about who got multimeter, it is about who know how to use their tool and apply the fundamentals dude.
i dont understand why some people have to get so defensive . its not like battery companies are paying you to tell others whats right and wrong.
for me, i'll charge normally till the battery is "full" and then use it till it goes flat. out of the box, if manual says charge 4hrs , i'll charge 4hrs and start using immediately.
let the battery goes flat then charge fully but this time, longer.
Nikon D7000 : Tamron 17-50VC f2.8, SB-900
Nikon D90 : Nikon 18-105 VR, SB-600
Buy two pieces of the same brand/model/type of batteries. Say, price is $X each.
Don't follow the 8 hour first charge rule for one.
Follow the 8 hour rule first charge for the other.
See what happens.
No diff? Good for you.
Got diff? You paid $X for the lesson to gain some battery knowledge based on real life experience. And not other Forums member's theories, imagination and second hand knowledge from the Internet (on the Internet there are many contesting opinions - in some cases, even mistaken statements and we should not take it as fact or the truth)
Last edited by ricohflex; 1st November 2009 at 01:34 PM.
Besides, sulfation only happens in lead-acid batteries as there is sulfuric acid in there, no other battery chemistry uses that.
Last edited by kkcharles82; 1st November 2009 at 09:24 PM.
In my reply did i mention in anywhere that ipod's use lead acid battery?
please read my edited post with highlighting.
But can't believe I actually read every post... Not that it matters much to me.
I'm not sure of the chemistry behind it.
A modeler who has overcharged his model batteries several times (using home built 'fast' chargers) says they tend to still work afterwards but their life was shorter.