I found some unused batteries, are they still safe?

[SilveradoVapes]

Rummaging through my drawer, I found about 8 batteries that are around 2 years old. They have never been charged. I checked the voltage on them and they are all between 3.4 and 3.6 volts. Are they safe to charge and use, or should they be recycled?

 

[somdcomputerguy]

They should probably be OK to charge and use. It's possible they weren't to begin with though.. What kind are they? (make and model..)

 

[Hawise]

Assuming they were safe to use before they were neglected, they should still be relatively safe now. If I recall correctly, when batteries are discharging themselves over time it's not until they drop below 2.5 that it becomes a serious problem (and below 2 it's a very very serious problem).

 

[zoiDman]

Rummaging through my drawer, I found about 8 batteries that are around 2 years old. They have never been charged. I checked the voltage on them and they are all between 3.4 and 3.6 volts. Are they safe to charge and use, or should they be recycled?

Wouldn't a Big Question be...

What do you want to put them in?

And What settings would you use once you did?

 

[SilveradoVapes]

They are samsungs 40T, 30T, molicel 20700, and Sanyo ncr2070c and samsung 25r. I usually don't ever vape above 65/70 watts. I only buy the real stuff from 18650batterystore.

 

[zoiDman]

They are samsungs 40T, 30T, molicel 20700, and Sanyo ncr2070c and samsung 25r. I usually don't ever vape above 65/70 watts. I only buy the real stuff from 18650batterystore.

Those are Good Batteries. And 70 watts would pull 21 Amps or so depending on how far Down you drain them. So Unless I am missing something, those Batteries should be able to handle that.

It doesn't sound like there should be an Issue Charging and then Trying them.

Just keep your Eye on them for things like Draining too Fast or getting warmer than Usual.

 

[vaper1960]

Just keep your Eye on them for things like Draining too Fast or getting warmer than Usual.

Monitor them while charging (see if they get hot)
I'm just curious, where they in plastic containers, boxes or just or just loosely mixed with other things? You might be lucky they didn't start a fire.

 

[SilveradoVapes]

They have been in plastic battery cases since I got them.

 

[vaper1960]

They have been in plastic battery cases since I got them.

I would charge them one at a time (1 A or less if possible) I think they will be fine.

 

[sonicbomb]

I'm interested to know how one could forget about this many new batteries?

 

[Rossum]

they are all between 3.4 and 3.6 volts. Are they safe to charge and use,

Should be fine. Around 3.6V is where you want to keep batteries if they're in storage rather than active use. My experience is that new or lightly used batteries have minimal self-discharge when stored that way, although I check mine at least once a year. You do not want to store batteries fully charged; they age more quickly if you keep them fully charged.

 

[Spydro]

Should be fine. Around 3.6V is where you want to keep batteries if they're in storage rather than active use. My experience is that new or lightly used batteries have minimal self-discharge when stored that way, although I check mine at least once a year. You do not want to store batteries fully charged; they age more quickly if you keep them fully charged.

Good advise. I can't say that I have been stellar in keeping my older batteries up to snuff. CIP, all my AW IMR button top batteries have been stored in batt cases but ignored for years since I last used them and are probably beyond repair.

 

[classwife]

Moved this to Batteries and Chargers from General Vaping Discussion

 

[kayakiit]

You do not want to store batteries fully charged; they age more quickly if you keep them fully charged.

This is a great tip, I had no idea that was a thing. Thanks for sharing!