Golisi S35 is a game changer 21700 cell, which is the best 21700 cell in market. 

S35 fulfills the niche demand of 21700 mods, the new vaping trend led by Wismec, Sigelei, Smok, Geekvape etc. This high drain IMR 21700 succeeds advantages of Golisi’s famous gold 26650 cell, which stands out with its high constant discharging current and hard-wearing wrap.

S35 Capacity: 3750mAh, constant discharging: 30A. Real rated.

Safety protection: Based on UL1642 standard, no leaking or explosion in extreme tests of over–charging, short circuit, over discharging, high temperature

Certificates: CE, ROHS, FCC, MSDS, UN38.3, IEC62133, WEEE

More information can be found at the Golisi web page here 

Mooch's test results can be found here