Well, good sir, mr. hawaiian lute strummer, maybe that's why Avid Vaper doesn't even sell the 1600? cause he doesn't know the fax. 
just kidding. That's the only place I've seen that figure tho.
Here's RTD's info
just kidding. That's the only place I've seen that figure tho.
Here's RTD's info
AW IMR 18650 3.7V 1600mah
IMR18650-1600 Specifications :
Nominal Voltage : 3.7V
Capacity : 1600mAH
Lowest Discharge Voltage : 2.50V
Standard Charge : CC/CV ( max. charging rate 4.5A )
Cycle Life : > 500 cycles
Max. continuous discharge rate : 15C
Operating Discharge Temperature : -10 - 60 Degree Celsius