any one know about voltage on the kr808's? from what i gather most are 3.7v, however V2cigs.com claims to have a 4.2v but there are questions about the reality of this on their forums, so i called an was told that it is true despite the questions and then the CS rep told me that they are scheduled to release a 5.1 volt. now im a newb to ecigs here but from what i can tell a 4.2 volt is unheard of let alone a 5.1. what say you all?
KR808-1 5.1 volt battery
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I would say its 3.7v. A single lithium battery charges to 4.2v - freshly charged it will read 4.2v unloaded. The nominal voltage is 3.7v. All e-cig batteries are based on lithium ion technology. Many have regulators to reduce the voltage (or may use pulse wave modulation/PWM to achieve the same thing). An example of this is the eGo, which is often said to measure around 3.2v. This will help give longer battery life and more consistent performance from the beginning to the end of a charge.
There is no 5.1v battery AFAIK. The only way to achieve that is with multiple batteries in series, or with a DC-DC converter. The only example I know of a high voltage "skinny" e-cig battery is the 7.4v DSE801 HP, which internally has two 3.7v cells. They apparently don't last very long, as they are very small.
There is no 5.1v battery AFAIK. The only way to achieve that is with multiple batteries in series, or with a DC-DC converter. The only example I know of a high voltage "skinny" e-cig battery is the 7.4v DSE801 HP, which internally has two 3.7v cells. They apparently don't last very long, as they are very small.
Personally I've not heard of such a battery. Like I said, the lithium ion batteries used in e-cigs are considered 3.7v (or 3.6v) batteries and charge to 4.2v. It's dependent on the battery chemistry. Anything more than that needs multiple cells. The table at the bottom of this page shows the voltage characteristics of different types of lithium ion batteries. The ones used most commonly are lithium cobalt. If you have a mod you might choose to use lithium manganese or lithium iron phosphate batteries for higher power deliver capabilities and better safety.
i have heard of such a battery, V2cigs.com sells them. and they claim to be releasing a 5.1v soon. ive searched the web hi and low for anything similar and cant find anything. im honestly wondering if they are lying. is such a battery even possible? are there any battery experts in the house?
id really like t get this post over to the big-boys section for more imput. Papa could you copy and paste it there with a link to back here? im not allowed to post or reply in any other than the newb section cuz i am a new member.
You've got 10 posts now, you can post anywhere 
Couple of vids worth watching which shows how testing voltage under no load really gives you no useful info:
http://www.e-cigarette-forum.com/fo...-reviews-battery-atty-testing-under-load.html
http://www.e-cigarette-forum.com/fo...reviews/140241-ohms-volts-some-surprises.html
Couple of vids worth watching which shows how testing voltage under no load really gives you no useful info:
http://www.e-cigarette-forum.com/fo...-reviews-battery-atty-testing-under-load.html
http://www.e-cigarette-forum.com/fo...reviews/140241-ohms-volts-some-surprises.html
If there was a standard (not a mod with multiple batteries and special circuitry) PV that would
vape at an actual effective 4.2V there would be about 3 dozen threads about it with links to
buy and video reviews of performance. And another 3 dozen discussing the pros and cons
of the unit and it's performance.
This forum has the latest news on equipment, laws, medical studies and deals & steals,
I've seen links to products only available in Italy and Germany to their foreign language
websites. If it has to do with PV, it shows up here, and a 4-5V PV would be big news.
Wish it were true.....
well maybe this is the first of the 3 dozen Check your batteries V2 has been sending out 3.7 volt batteries -
Sounds great, does anyone have a post with a review with a multimeter showing 4.2V under load, with a standard atty attached?
Advertising claims and multimeter often differ in results.
I was told that they start out at 4.2 volts, then drop to 3.7 and stay there until battery cut-off
Been watching this site and V2's claims as well.
Everything I have ever read on these batteries is that 3.7v is standard running voltage, and 4.2v is at charge. Does it vary some? A little. I have one at full charge hitting 3.8v, and another @ 4.3v(same wall charger used). They run all over the place but the standard IS the standard. I cannot tell you if my lesser v battery is older and on it's way out, since I have numerous batteries and haven't kept track of which is which.
Bottom line, without proof, I haven't seen a solid 4v+ running battery in our KR808D-1's. V2's claims seem to be "at charge".
Deceptive? Slightly!
No matter who sells product, there's is ALWAYS the best (wether it is or not). Typical, eh?
Pigfeet
Everything I have ever read on these batteries is that 3.7v is standard running voltage, and 4.2v is at charge. Does it vary some? A little. I have one at full charge hitting 3.8v, and another @ 4.3v(same wall charger used). They run all over the place but the standard IS the standard. I cannot tell you if my lesser v battery is older and on it's way out, since I have numerous batteries and haven't kept track of which is which.
Bottom line, without proof, I haven't seen a solid 4v+ running battery in our KR808D-1's. V2's claims seem to be "at charge".
Deceptive? Slightly!
No matter who sells product, there's is ALWAYS the best (wether it is or not). Typical, eh?
Pigfeet
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