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PostPosted: Tue Feb 22, 2011 5:25 pm 
Hi,

Im getting a spare battery for my canon 550d (T2i) and wanted to know what the difference is in the mah rating. Ive seen some are 1120mah, 1200 mah and some are 1360 mah.

Whats the difference and how does this affect performance ? In short which one should i get please ?

Thanks


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PostPosted: Tue Feb 22, 2011 5:46 pm 
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Joined: Tue Jul 13, 2010 8:47 pm
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Location: Osijek
simple, more mAh the battery has longer it can run...

it is actually a measure of maximal DC current (in mA) that battery can supply during a period of 1 hour (when it goes empty)

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PostPosted: Tue Feb 22, 2011 8:08 pm 
Hi, thanks, so which one is better to get ?


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PostPosted: Tue Feb 22, 2011 11:43 pm 
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well probably the one with the most mAh, but the question is are you buying original canon or some other manufacturer, cause that can play a role in quality, and life of battery, poorly made bats will die in a matter of months, but original will last long..

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PostPosted: Wed Feb 23, 2011 3:15 am 
OEM ofcourse. Who can afford to buy the canon batteries at the cost they sell them. 50-60 usd a piece ? Just because its an orginal they decide to fleece people.

Regarding the quality difference. Let me tell you from a real user point of view. I use china made batteries as spare for my 500d. Yes they might last a trifle lesser (that too hypothetically till now) but ive been using them now for 1 year and they still work fine and last maybe as long in run time as the original. But agreed, there might be bad OEMs and good ones out there. But this is what ive experienced. And at 5-7 usd a piece even after another year if the battery dies its still worth. And i can buy another one again, than putting all my eggs in one basket.

But on the contrary, aftermarket battery grips are notorious. Ive never got one that worked fine from ebay. I bought one from greatfoto, a seller on ebay. Got a unit which would loose power intermittently. And my second grip was from a seller called LinkDelight. Happily sent a dead unit and then made me run in circles. Ebay issued a refund after i raised a case.


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PostPosted: Wed Feb 23, 2011 12:59 pm 
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i only meant to say it is a gamble to buy other manufacturer batteries, if you find one that will last, its great..

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PostPosted: Wed Feb 23, 2011 3:01 pm 
That i totally agree with you. Like i said earlier, maybe within OEM brands itself some are good and some arent.

Thanks


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PostPosted: Wed Feb 23, 2011 9:31 pm 
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Location: Surrey, UK
I bought another official canon battery because they are much more reliable. Also the capacities stated on non official batteries are often more than you actually get.

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Lenses: Canon 24-105mm f/4L, Canon 50mm f1.4, Canon 18-55mm, Tamron 70-300mm,
Accessories: Manfrotto 055XPROB with 808RC4 head, Canon 430ex II speedlite, Lowepro Nova 180AW and Lowepro Pro Runner 450AW


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