18650 3000mah Battery Life

[Bageone]

I have had these batteries for a couple weeks and just started using them this past week. I am getting about 1hour to 90 min on a full charge on a 3.7 volt mod. Is this right? I thought it should be more like 12 or more.

 

[doots]

I get like 2 days out of ones I have at 2400 Mah

Seems like something is wrong.

 

[Bageone]

hmm ok thanks What charger are you using on yours

I am using these and neither one seems to make a difference

The style with the LED in center top

 

[5cardstud]

I haven't had good luck with mine either. It seems like if you let them sit they go bad.

 

[doots]

this could be the chargers not working and charging fully..

I wouldn't blame the battery just yet..

 

[Bageone]

Ok I had the chargers plugged into a power strip, I just put them in wall outlets to see if that makes a difference

 

[hoogie76]

Ok I had the chargers plugged into a power strip, I just put them in wall outlets to see if that makes a difference

Good to know, let us know if you see a difference.. The batts should come off of them at 4.1ish volts..

hoog

 

[Bageone]

OK they are coming off the charger at 4.1 when plugged in the wall... so I guess using a power strip is a bad idea to charge

 

[doots]

OK they are coming off the charger at 4.1 when plugged in the wall... so I guess using a power strip is a bad idea to charge

Do you know what v they were coming off at on the strip?

 

[Drozd]

unfortunately those are one of those UF batteries that have been known to be not true to their mAh rating and a total crap shoot as far as QC goes.. not the worst 18650 mind you...that honor goes to the trustfire 2400 (grey)

 

[Bageone]

Off wall charger: 4.23
1hr later 3.95
2hr later 3.76

So it looks like the battery is working fine

 

[hoogie76]

Gotta love the battery ratings.. Not sure if the manufacturer is upping these intentionally or if they do a big run for customers and then sell off the excess.. Gotta love 600mah 10440's

3.7 Volts is the nominal voltage meaning that they'll last the longest at about this voltage before starting to drop off..

 

[mistinthewoods]

unfortunately those are one of those UF batteries that have been known to be not true to their mAh rating and a total crap shoot as far as QC goes.. not the worst 18650 mind you...that honor goes to the trustfire 2400 (grey)

All I have is the grey trustfires (in a 18650 that is). So which 18650s do you think are the best?

 

[wolflrv]

I use the 18650 3000mah batteries and I use both the AD-108 and the Trustfire TR-001 that MadVapes sells. Both are plugged into a power strip along with my printer, modem and router next to my desk. Haven't had any charging issues at all. All of 18650's, CR123's, 14500's, etc..charge just fine and last their intended usage times. I'd suggest trying a different or better quality power strip.