Quick look: Generic (DSTE) Vs OEM camera battery.

***Update 2019
I had two of these 3rd party batteries.
After one year when shooting 4k, one of the batteries goes from 100% to dead in about 15mins vs the 70mins the originals can still do, down from 90mins after over 3 years.

Other 3rd party battery goes from 100% to dead in about 1-2minutes, effectively useless.

SUMMARY: avoid 3rd party batteries if possible if you're looking for a long term replacement. If you have a gig or need temporary batteries then the price to value ratio is there.

Expect about 1 year of use out of them before experiencing serious degradation in performance. The drop off in performance is sudden and not gradual like original batteries.
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How do third party camera batteries compare to the original manufacturers'?

We'll take a look at a popular 3rd party brand, DSTE.

DSTE camera batteries for:
Canon - http://amzn.to/2kPdcef
Nikon - http://amzn.to/2lNRpU4
Sony - http://amzn.to/2l2GCkB
Panasonic - http://amzn.to/2lybw66
Samsung - http://amzn.to/2lIvZXT
GoPro - http://amzn.to/2lImaJB

Видео Quick look: Generic (DSTE) Vs OEM camera battery. канала MobileStuffReview