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Re: [OM] OMD batteries update please

Subject: Re: [OM] OMD batteries update please
From: Moose <olymoose@xxxxxxxxx>
Date: Thu, 04 Jul 2013 21:40:34 -0700
On 7/3/2013 1:48 PM, JOHN DUGGAN wrote:
> Moose,
>               I just carefully looked at the small print on the back of the 3 
> types of battery in my collection.
> Genuine Olympus   7.6v 1220mAh  chipped uses Olympus charger.
> hahnel            7.6v 1170mAh  chipped uses Olympus charger.
> No name           7.2v 1220mAh  Dedicated charger.
> You will note that the no name battery is nominally 7.2v even though it is 
> sold as BLN1 compatible.

Wasabi Power      7.6v 1300mAh  Dedicated charger.
Progo             7.6v 1600mAh  chipped uses Olympus charger.

> At present the Olympus and hahnel batteries seem to have the same discharge 
> charecteristics, last for about the same number of exposures, and keep their 
> charge.

Given the Hänel's much lower spec. capacity than the Progos, but better 
practical performance, it seems even more likely 
to me that the Progos don't communicate properly with the camera.

> The no name batteries however do not last for anywhere near as long and if 
> not used seem to lose a lot of their charge. Could this be down to 7.2v 
> versus 7.6v?

As Chuck pointed out, they are a slightly different chemistry, so that could be 
the reason. Mine are all 7.6v and have 
no noticeable short turn storage discharge problem.

> The hahnel batteries cost just under 1/2 the cost of the Olympus, with the no 
> name costing about 1/4 of the Olympus.
> I will buy the hahnel in the future.

They apparently aren't sold here. There are a few of their batteries, but 
nowhere near the whole line, and not including 
the one for the E-M5. Also not much cheaper @ £30, vs. $55 US. At $11, the 
Progos are away less expensive per shot.

L.I. Moose

-- 
What if the Hokey Pokey *IS* what it's all about?
-- 
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