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Search took 0.02 seconds; generated 79 minute(s) ago. Search: Posts Made By: Alex Dolgin
Forum: Photon Management October 10th, 2007, 07:34 AM
Replies: 9
Views: 3,305
Posted By Alex Dolgin
Michael, when a battery is rated for capacity,...

Michael, when a battery is rated for capacity, usually the manufacturer loads the battery at 1/10 or 1/20 it's C rate. A "C" is the number in AH rating. In your case your belt is probably 8AH (I...
Forum: Sony VX2100 / PD170 / PDX10 Companion September 23rd, 2007, 08:07 PM
Replies: 244
Views: 94,078
Posted By Alex Dolgin
The settings are usually stored separately,...

The settings are usually stored separately, backed up by a small coin battery. Not sure where this coin battery is in your camera.

"Cleaning tape" message is a result of an intermittent head clog,...
Forum: Sony VX2100 / PD170 / PDX10 Companion September 23rd, 2007, 06:26 PM
Replies: 244
Views: 94,078
Posted By Alex Dolgin
The Li-Ion batteries do not last much more than 4...

The Li-Ion batteries do not last much more than 4 years, it is time to get a new battery.
HTH
Forum: Alternative Imaging Methods August 27th, 2007, 11:06 AM
Replies: 8
Views: 2,153
Posted By Alex Dolgin
Paul, cannot comment on validity of your idea of...

Paul, cannot comment on validity of your idea of turning on both cameras from the editing point of view, but can offer a few bits from the technical angle.
1. Do not be surprised if upon powering...
Forum: Open DV Discussion July 23rd, 2007, 05:32 PM
Replies: 7
Views: 3,898
Posted By Alex Dolgin
Kevin, send us your batteries, we will cycle them...

Kevin, send us your batteries, we will cycle them once on our tester and return with the verdict.
Forum: Canon XH Series HDV Camcorders July 14th, 2007, 06:02 PM
Replies: 345
Views: 179,820
Posted By Alex Dolgin
All "7V" category Li-Ion batteries discharge down...

All "7V" category Li-Ion batteries discharge down to about 6.5V; fully charged 8.4V. This is inherent to Li-Ion chemistry, has nothing to do with the label on the battery. 7.2V - 7.4V is where the...
Forum: Canon GL Series DV Camcorders May 31st, 2007, 05:46 PM
Replies: 329
Views: 137,170
Posted By Alex Dolgin
Don, I only am familiar with the numbers supplied...

Don, I only am familiar with the numbers supplied by Sanyo. They have it about 10%/year if the battery is stored fully charged, 3%/year if it is stored at 40% charge. What I personally observed, is...
Forum: Canon GL Series DV Camcorders May 31st, 2007, 10:08 AM
Replies: 329
Views: 137,170
Posted By Alex Dolgin
Don, I actually have done fairly thorough testing...

Don, I actually have done fairly thorough testing of Lenmars, and found that they in fact deliver what their sticker claims within +/- 5%; this can not be said of the Ebay bought generics. Getting...
Forum: Canon XL H Series HDV Camcorders May 27th, 2007, 06:43 AM
Replies: 46
Views: 13,666
Posted By Alex Dolgin
In my opinion AB has higher standards for...

In my opinion AB has higher standards for engineering and manufacturing quality. Here is a link to a recent battery recall by IDX...
Forum: Canon XL H Series HDV Camcorders May 25th, 2007, 05:09 PM
Replies: 46
Views: 13,666
Posted By Alex Dolgin
Don, if a light is a 25W, it uses 25W, no way...

Don, if a light is a 25W, it uses 25W, no way around it. If you turn it on only for 20 minutes every hour, than it becomes a 8W light. Also, if you have a dimmer adjusted to 30%, the light would use...
Forum: Canon XL H Series HDV Camcorders May 25th, 2007, 06:18 AM
Replies: 46
Views: 13,666
Posted By Alex Dolgin
There is absolutely no basis for this...

There is absolutely no basis for this misinformation. This number is not supported by specifications from any reputable cell manufacturers like Sanyo, Panasonic, etc. I am sure many AB users will...
Forum: Canon XL H Series HDV Camcorders May 25th, 2007, 06:09 AM
Replies: 46
Views: 13,666
Posted By Alex Dolgin
1 year warranty represents how the company...

1 year warranty represents how the company *feels* about the long term reliability of the pack, not how long it will actually last. It is as much a business decision as technical. With Li-Ion there...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 13th, 2007, 04:33 PM
Replies: 14
Views: 3,601
Posted By Alex Dolgin
For our internal use we got a lot of non OEM...

For our internal use we got a lot of non OEM batteries (more than 20) from one of the EBAY vendors. We did not need them to be high capacity, just consistent performers as they are being used for...
Forum: Canon XL and GL Series DV Camcorders May 12th, 2007, 09:56 AM
Replies: 199
Views: 125,579
Posted By Alex Dolgin
BTW Lenmars carry 3 years warranty, I do not know...

BTW Lenmars carry 3 years warranty, I do not know of any other makes that do.
Forum: Open DV Discussion May 8th, 2007, 07:30 PM
Replies: 7
Views: 1,836
Posted By Alex Dolgin
Matt, I suggest you not going the belt direction....

Matt, I suggest you not going the belt direction. They are great for powering on camera lights, as the lights need lots of power, at 12V. Your camera does not use 12V, you would need a step down...
Forum: JVC GY-HD Series Camera Systems April 13th, 2007, 01:12 PM
Replies: 6
Views: 1,998
Posted By Alex Dolgin
I do not think this is true. Everything being...

I do not think this is true. Everything being equal, Li-Ion will have longer cycle life than NiMH, not shorter. They might be less reliable than NiMh, as they have built-in electronics for safety...
Forum: Panasonic P2HD / DVCPRO HD Camcorders April 12th, 2007, 10:48 AM
Replies: 8
Views: 5,452
Posted By Alex Dolgin
Ha Ha The reason is when we bought them we did...

Ha Ha The reason is when we bought them we did not look for high capacity, but consistency; needed a lot of them to test the chargers that we make. Each charger needs 4 batteries, we test several at...
Forum: Panasonic P2HD / DVCPRO HD Camcorders April 3rd, 2007, 09:13 PM
Replies: 8
Views: 5,452
Posted By Alex Dolgin
Their claimed capacity is way higher than actual....

Their claimed capacity is way higher than actual. We bought a number of them, they test about 2/3 of their sticker number.
Forum: Canon XH Series HDV Camcorders April 3rd, 2007, 09:04 PM
Replies: 345
Views: 179,820
Posted By Alex Dolgin
This is true for the batteries that have a built...

This is true for the batteries that have a built in fuel gauge, which measures the amount of charge going in and out. I know of only one brand that has it - Anton Bauer 14V batteries. This high end...
Forum: Canon XH Series HDV Camcorders April 3rd, 2007, 08:57 PM
Replies: 345
Views: 179,820
Posted By Alex Dolgin
This is not true, in fact cycle count is based on...

This is not true, in fact cycle count is based on amount of charge removed during use. If you use a battery two times, discharging to 50% each time (removed one full charge), it counts as 1 cycle...
Forum: Canon XL H Series HDV Camcorders March 18th, 2007, 03:01 PM
Replies: 18
Views: 4,245
Posted By Alex Dolgin
Johan, the Li-Ion batteries age about 10%/year in...

Johan, the Li-Ion batteries age about 10%/year in average. They age a little faster if fully charged, this is why the manufacturers store them and ship them at about 40%-50% charge level, as this is...
Forum: Canon GL Series DV Camcorders March 17th, 2007, 06:09 PM
Replies: 329
Views: 137,170
Posted By Alex Dolgin
You are partially right :-) they are off, but...

You are partially right :-) they are off, but always in one direction. They usually 50%-75% of what their label claims. There are only a few good cell vendors out there: Sanyo, Panasonic, Sony. They...
Forum: Canon XL1S / XL1 Watchdog March 14th, 2007, 09:50 AM
Replies: 382
Views: 121,346
Posted By Alex Dolgin
Canon and Sony batteries are 2 different animals....

Canon and Sony batteries are 2 different animals. Sony has a build in smart circuit that talks to the camera using their proprietary "InfoLithium" protocol, which they periodically change. Because of...
Forum: Photon Management January 16th, 2007, 03:52 PM
Replies: 5
Views: 1,929
Posted By Alex Dolgin
Actually, nothing is wrong with your formula! One...

Actually, nothing is wrong with your formula! One thing to keep in mind is if the load is loading the battery really bad (like a high power 100W light), the battery does not deliver its rated...
Forum: Panasonic DVX / DVC Assistant December 1st, 2006, 06:42 PM
Replies: 2
Views: 2,494
Posted By Alex Dolgin
It is OK. Semantics.

It is OK. Semantics.
Showing results 176 to 200 of 284
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