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Old 06-25-2013, 06:52 AM #49
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Default Re: *PICS ADDED!!* Sipik 98 4 Amp Flashlight Mod!

Alright the 2nd Sipik got some more upgrades. Check it out; thanks for the help you laser heads!
Sipik sk98; XML-U3; 4.2Amps

I just had to make this one slightly over your <4A Grainde!


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Old 06-30-2013, 07:17 PM #50
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Default Re: *PICS ADDED!!* Sipik 98 4 Amp Flashlight Mod!

Quote:
Originally Posted by grainde View Post
Quick update.

I recharged all my 18650's to 4.2/4.21 V and tested the current at the tail cap. Here are the results:

1) Ultrafire 3600 mAh (fake I know)__2.35 A
2) Ultrafire 3600 mAh (fake I know)__2.8 A
3) NCR18650A 3100 Panasonic______3.8 A - Not too impressed with this one, internal resistance is 76 mOhm and its less than 1 year old...
4) NCR18650B 3400 Panasonic______4.2 A
5) NCR18650B 3400 Panasonic______4.25 A
and the winner!!

6) AW IMR 18650 2000 mAh________4.6 A!
Panasonic has a low IR, high current 2900mah cell:

New Panasonic 18650 High Discharge Cell

Of course, I would not torture the Cree XML any more.

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Last edited by LarryDFW; 06-30-2013 at 07:20 PM.
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