Customer Reviews:
 How to tell genuine from aftermarket - good from bad January 24, 2010
HMMWV (santa clara, CA USA)
1 out of 1 found this review helpful
I own 2 genuine vholdr batteries now for my 1080HD system. People are having problems with poor quality aftermarket batteries. The genuine vholdr runs for a tad over 3 hours - enough to fill the 16GB disk easily with room to spare.
As with any new battery, you should charge it and drain it 3 times to "wake it up" upon receipt. This, and keeping it in a charged state, will prevent premature failure.
Now to tell if you bought a genuine product - the packaging is very distinct - clear plastic box folded from thin sheet plastic and meant to be hung on a rack. The box is much larger than the battery, and includes a small instruction card. Finally, both the box and battery carry the VholdR logo. Any other cheap packaging indicates a cheap battery. I bought mine from amazon and got the real thing which works fine with their system.
Technical specs: 1050 mAH Li-Ion, with 3 terminal sensor for charging properly.
Finally I don't want to stereotype that all non-OEM accessories are sub-par but as far as batteries go for cellphones, I have a motorola that will run 4-5 days while so called "super-aftermarket" batteries can barely keep it alive 30 hours without any use. Given these are the same size batteries I'd expect the real product to be essential here. I have designed products with Li-Ion batteries and met with the companies in China who make them - they are not ashamed to inform you that statistically one in 100,000 cells will fail explosively. That's 10 parts per million fail rate. But put 10 cells in a laptop and now it's a 100 part per million fail rate on laptop batteries since they have so many cells. So far this li-ion problem has only been improved, not eliminated, so stick with products designed for your system. As for other batteries, my GM car has an interstate battery that I replaced, and my honda has the factory battery which lasted 6 years.
This IS the Vholdr Brand, make sure you buy from Amazon directly December 16, 2009
mellowspaz (San Jose, Ca United States)
1 out of 2 found this review helpful
Contrary to the other review from Robert Martin, I can attest this is from Vholdr. The case and battery clearly say it is ContourHD, by the company Twenty20, the makers of VHoldr. The 2350 has the exact same charge and capacity as the one that came with the ContourHD (3.7V 1050 mAh). Make sure you buy directly from Amazon and not one of their third party sellers (who could sell knock offs).
 Good 1080P Full HD camera @ small size February 7, 2010
Orhan Goksal
0 out of 1 found this review helpful
I have other 1080p cameras. But ContourHD is perfect size for outdoor activity shooting. I bought the camera in order to record Grand Slalom ski races of my son (on his helmet). But I found it very convenient. I also use it by myself for outdoor activities.
 not the VholdR brand, doesnt hold nearly the same charge September 28, 2009
Robert Martin
8 out of 11 found this review helpful
not real impressed with the battery i got. it is a second because i ride all day long, but it doesnt last nearly as long as the one that came with the camera...
 Bait and Switch??? January 14, 2010
Brian A. Case
2 out of 3 found this review helpful
I recently ordered the VholdR 2350 CountourHD Battery as shown on the image as a factory battery only to be shipped a RageCams aftermarket battery?!? Everything in the description showed the factory battery but I did not receive it! The comments on the receipt say "(Not the same one shown)." What kind of shady business practice is this???
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