GH2 GH2 8.4v or 7.2v alternate power sources

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itsdonny

Member
I noticed the batteries for the GH2 are 7.2v but the power requirement listed on the bottom of the camera are 8.4v. I'm trying to come up with a solution for an external battery set up since often times I need more run time and cant change batteries in the middle of the shoot. I was thinking to using the DCC8 adapter and connecting it to an 8.4v li-ion battery. Does anyone have any experience with this?
 
Not to name drop other forums, but a certain one that is run by the one gentleman responsible for the hacks, has a highly informative thread regarding 3rd party external batteries - from expensive to stingy DIY efforts.
Personally, I use the Tekkeon M3450 external battery with the DCC8 coupler. It can be set from 5v to 19v. It's not the cheapest solution, but I've found it very useful for other products because of its versatility. And it's not the usual lithium-ion, but lithium-ion polymer battery
 
You can use a swit plate with clamp for Sony NP-F970 batteries which are 7.2V. Very convenient and cheap power source which typically powers the 7" Marshall monitors for instance.
 
yoclay said:
You can use a swit plate with clamp for Sony NP-F970 batteries which are 7.2V. Very convenient and cheap power source which typically powers the 7" Marshall monitors for instance.
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Thank you, what's a swit plate? Searched to no avail.
 
daihard said:
There is already a huge thread about the exact power requirements and 3rd party power solutions for the GH2.
http://www.dvxuser.com/V6/showthread.php?245907-GH2-Power-specs-tests-DIY&daysprune=-1

Anyhow, im using a car laptop power adaptor. It can also be set from 5v to 19v. I can then use ANY battery from the range of 8.4v all the way up to 24v to run my camera. I just set the laptop adapter to 9.5v (Im currently using an 11.1v Li-Po)
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which brand of car laptop adapter are you using?
 
The camera will not turn on unless it sees about 9V from the external power source. We have several product solutions available for this application, in case you have not seen them yet follow this link
HTH
 
this looks really cool, although I'm not finding it in the states. 10.1 volts is a lot isn't it? I've heard up to 9.3v. Anyone know the maximum?
 
itsdonny said:
this looks really cool, although I'm not finding it in the states. 10.1 volts is a lot isn't it? I've heard up to 9.3v. Anyone know the maximum?
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Yes... Your right, it should be under 10v I'm am taking a little risk. However, I figure a longer cable from my shoulder rig to the camera off sets this a little.Other People have report no problems at 10v.I ran mine for 5 hours continuous without a problem.Yes, this is a European brand out here, that I'm using. But you can find something like this online for the states.I think I paid about $25 for mine.I'll post a few pics on how mine looks, because I chose to use R/C style batteries and put it all into a nice package.I saw "saddle" style Lipo packs (2 smaller packs) which I plan to MOD to use with my steady cam rig. I like The versatility of DIY mods, but there are effective solutions i was considering.... But it would be $100 for the adapter plate, then $20 for some common video cam batteries, and $10 for a charger.I paid a total of $25-adapter, $12- Lipo pack, and $8 for balance charger.
 
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