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Old 03-12-2017, 09:58 AM #17
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Default Re: New IJOY INR 26650 4200mAh / New INR High Drain Battery Tech

Thor's hammer, I like that ! That's going to be it's new name !

The lens is sitting in a clean jar until I can install the laser module in the heat sink, The laser module is 25mm and the heat sink is 30mm so I have some aluminum tubing on it's way but it's been stuck in customs for weeks !


Quote:
Originally Posted by Encap View Post
iJoy 26650 4200mAh 40A --overrated--only good for use at 30A but good battery for @$10.50 each -- from test results : https://www.e-cigarette-forum.com/fo...attery.764411/

"Bottom Line: This iJoy cell's 40ah rating is exaggerated. This is incredibly frustrating because it's the first 30A 26650 I've ever tested and no exaggeration was needed! Why the hell do companies like iJoy still think they need to do this to sell batteries?

This is the first 26650 I've tested that acts like an 18650. Its internal resistance is lower than many of the good 18650's and it held its voltage well. At 30A/100W pulsed it ran approximately 75% longer, and 0.15V-0.20V higher, than the Basen and Brillipower 4500mAh cells down to 3.2V. It doesn't match the appearance of any other 26650 I have so I don't know where this cell came from. I am giving this cell a maximum vaping amps (MVA) rating of 40A but the voltage sag is getting pretty bad at this level."

"Comments
•At 10A continuous it reached about 4100mAh. This is good performance for a 4200mAh cell at 10A so I am rating this cell at 4200mAh.
•At 15A continuous the temperature rose to 52C. This is way below the average temperature of a cell operating at its continuous discharge rating (CDR) and is an indication that we are operating way below its true rating.
•At 20A continuous the temperature rose to 59C. This is still way below the average temperature of a cell operating at its CDR and is an indication that we are operating way below its true rating.
•At 25A continuous the temperature rose to 69C. This is still below the average temperature of a cell operating at its CDR and is an indication that we are operating below its true rating.
•At 30A continuous the temperature rose to 77C. This is just below the average temperature of a cell operating at its CDR and is an indication that we are operating at its true rating.
•At 35A continuous the temperature rose to 83C. This is above the average temperature of a cell operating at its CDR and is an indication that we are operating at above its true rating. The voltage is sagging a lot.
•At 40A continuous the temperature rose to 85C. This is above the average temperature of a cell operating at its CDR and is an indication that we are operating at above its true rating. The voltage is sagging a huge amount.
•I am setting a CDR of 30A for this cell. While operating any cell near its rated maximum current level causes damage to the cell, I would expect decent cycle life from this cell at 30A continuous"
I got a response from Liion about the review of the iJoy 26650 4200mAh 40A battery......

Quote:
Yes I know the guy that ran those tests and we've discussed the results. If you think it's bad you're misreading it, what he's actually saying is that it's the best 26650 available. The only thing about it that is "overrated" is max current rating. Like all chinese batteries, it's a bit too high. It says 40A on it but you can really only use it to 30A. But you'll never ever use more than 30A in real life so it's fine. It's still the best 26650 on the market for high drain. Make sense?

Jon
Customer Service

LiionWholesale.com
That makes total sense so I think I'm changing my mind yet again and I'll be going with the iJoy INR 26650 4200mAh 40A battery as my main battery of choice after all......


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My very short laser collection (for now)

Thor "Saber" Americanised Thor M II - DTR M462 2.2 Watt 462mn Diode W/Super X-Drive @ 1.8 Amps - DTR G-2 lens - JL 10X Beam Expander Class IV

"Thor's Hammer" Americanised TLY-L201 Host Build W/Old School NASA Type Safety Switch - DTR NUBM44 6.8 Watts at 4.5 Amps 450nm Diode In 25mm Copper Module W/Driver - DTR G-2 lens - OPT Laser 6X Cylindrical Lens Pair Fast Axis Correction w/ Custom Made Beam Expander Class IV

303 Prome Star Series Green Laser 532nm 80mW DPSS Class IIIb

Last edited by Accutronitis; 03-12-2017 at 06:55 PM.
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