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Old 12-20-2013, 04:45 PM #97
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Quote:
Originally Posted by KRNAZNBOY View Post
I have some of these cells and they came in at 3.5 - 3.7 volts (i got 4 of them)

I am soon getting a Nitecore Intellicharger i4, but for the time being, i only have the classic cheap chinese charger. Like this: Rechargeable Single Slot Li ion Battery Charger for 26650 18650 18350 14500 | eBay

Anyways, i have the flat top, unprotected NCR18650Bs. Can i charge them with this charger or is it unsafe. Do these chargers cut off at 4.2 volts?

I have unprotected 32600s i charge with this charger and they come out at 4.1 volts usually

Thanks
-Matt
Matt;

If you have checked the charger AND the cells come out @ 4.1 VDC,

then the charger should be fine to charge the 18650 cells.

On a 1st charge, I would charge 3-4 hours and check the voltage.

It should be 4.2 VDC for full charge.

4.25 VDC is the MAX fior this cell.

Everybody working with lithium ion cells should have a digital voltmeter to check voltage.

(even a Harbor Freight low cost meter is OK)

These cells have passed the stringent UL1642 testing for safety.

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Old 12-20-2013, 07:57 PM #98
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Is this setup all right for charging and monitoring the status of the battery. The voltmeter is battery-less and will draw power from the charger and the battery. It will charge slowly, but better safe than sorry

IS this all right?



edit:Its now at 3.7
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Old 12-21-2013, 04:39 PM #99
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Matt;

That setup is fine.

Just make sure the holes on the metal can don't short out the wires going to the cell,

or it will be glowing RED HOT.

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Old 12-29-2013, 04:16 AM #100
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Just received a new shipment of 3400mah Panasonic cells.

Ordering has been brisk,

with so many orders from the far east having been cancelled.

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Old 12-29-2013, 06:27 AM #101
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Have the orders from last time shipped?
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Old 12-29-2013, 08:08 PM #102
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

I have your four cells ready to ship,

but I was unsure as to the correct address.

Do you want them shipped to the 2nd address (Basalt) ?

Thanks;

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Old 12-29-2013, 09:18 PM #103
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Quote:
Originally Posted by LarryDFW View Post
I have your four cells ready to ship,

but I was unsure as to the correct address.

Do you want them shipped to the 2nd address (Basalt) ?

Thanks;

LarryDFW
Correct.
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Old 12-31-2013, 03:55 AM #104
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Quote:
Originally Posted by Raiden Gekkou View Post
Correct.
Your cells with cases shipped by 1st Class mail today.


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Old 12-31-2013, 08:41 AM #105
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Quote:
Originally Posted by LarryDFW View Post
Your cells with cases shipped by 1st Class mail today.

LarryDFW
Nice, i'm looking forward to getting rid of my Tenergy(s?).
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Old 01-07-2014, 02:41 AM #106
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

I got my cells today, 7 days after they shipped. You're the man Larry.
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Old 01-08-2014, 05:50 AM #107
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Quote:
Originally Posted by Raiden Gekkou View Post
I got my cells today, 7 days after they shipped. You're the man Larry.
Let us know how they compare.

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Old 01-22-2014, 10:36 PM #108
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Received new shipments of both the NCR18650B (3400mah) . . .

and the NCR18650PF (10Amp - 2900 mah) cells.

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Old 02-08-2014, 04:32 PM #109
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Now Stocking some new chargers,

with Dual 1 amp charging capability for quicker results.

I have tested these for proper charging voltage.

http://www.cobbcarpet.com/charger1.jpg

I think they are good value @ $10.95 each prepaid.

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Old 02-08-2014, 06:50 PM #110
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Larry I have ultrafire brc18650 3000mAH 3.7v li-ion batteries. I am real noobie at this but can you suggest better quality batteries and charger to replace these. I will soon have many more lasers and would rather use quality than junk. Everyone on here says you are the expert so I am happy to get your advice! Thanks in advance!
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Old 02-09-2014, 04:04 AM #111
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

DAM just got the 3200mah ones from some one on ebay
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Old 02-09-2014, 06:24 PM #112
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Default Re: Panasonic 3400mah 18650 Cell Now Available!

Quote:
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Larry I have ultrafire brc18650 3000mAH 3.7v li-ion batteries. I am real noobie at this but can you suggest better quality batteries and charger to replace these. I will soon have many more lasers and would rather use quality than junk. Everyone on here says you are the expert so I am happy to get your advice! Thanks in advance!
Ru;

The best advice I can give you is to buy only "brand name" 18650 cells.

My favorites are Panasonic, Sanyo & LG .

Those cells are tested to UL1642 safety standards.

I would trust these cells much more than any "ultrafire cell w/protection circuit board).

I have used several hundred lithium cells in various rechargable applications,
and xxxxfire cells have failed at about 20x the rate of "brand name" cells.

Chargers are a little more difficult,
because you have to open them up to look at the actual PCB construction.

The one in my signature has been reliable,

and Nitecore I4 is another charger I would trust.

Larry
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Last edited by LarryDFW; 02-10-2014 at 05:56 AM.
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