3rd party battery low self discharge rates


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daohuay

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May 10, 2006
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#1
Anyone can recommend a 3rd party BP 511A that has low self discharge rates?
My rechargeable batteries left in an unused digital camera or a drawer for over 1 months often need to be recharged before use.

Some of the time it will go flat suddenly. :dunno:
 

synapseman

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May 6, 2003
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#2
You do get what you pay for. The vast majority of 3rd party batts are rubbish, even if they have better mAh specs printed on the label.

Get original, please.
 

Apr 8, 2007
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#4
3rd party BP 511A that has low self discharge rates?
Don't think it exists. I use BP511A as well. My 3rd party are the always primed before a shoot and used first, with the original as backup.
I discard the 3rd party batts every 6mths of use.
Come to think of it.... not very environmentally friendly. :think:
Will discard them every 9 mths then.
 

daohuay

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May 10, 2006
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Jurong West
#5
Don't think it exists. I use BP511A as well. My 3rd party are the always primed before a shoot and used first, with the original as backup.
I discard the 3rd party batts every 6mths of use.
Come to think of it.... not very environmentally friendly. :think:
Will discard them every 9 mths then.
:think: so most of the 3rd party is roughly the same.
 

synapseman

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May 6, 2003
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#6
:think: so most of the 3rd party is roughly the same.
Of course there will be some who will beg to differ. You MAY be able to get good 3rd party batts, but it's mostly a gamble. Even within the same brand, the QC varies according to batches. I was once a firm believer of using 3rd party batts (why pay more?), but after several instances of dead-batts out of the package, batts that don't even last 1/3 as long as originals despite higher mAh rating, and batts that simply cannot hold charge, I've given up on them. I just didn't have a piece of mind as I didn't know if my back-up batt packs were reliable or not.

In the end I actually spent more because I eventually bought original again anyway.
 

Jan 10, 2008
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#7
yeah don't bother with 3rd party. I bought a 400D batt at $18, gone in less than 5 uses.
 

daohuay

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May 10, 2006
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Jurong West
#9
Just to check how do most ppl do.

Do u wait for batteries to be completely discharge before charging them?

(Apply to either orginal or 3rd party battery).
 

synapseman

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May 6, 2003
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#10
Just to check how do most ppl do.

Do u wait for batteries to be completely discharge before charging them?

(Apply to either orginal or 3rd party battery).
Well, my vertical grip holds two batts, and when one runs flat, the other will kick in. I don't have any convenient way to discharge the other batt pack, so I just charge from that point.

However, I do label my battery packs and I rotate them around the battery slots to give each battery a fair go at getting 100% drained.
 

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