Golisi S11 is a 18350 li-ion battery for the niche use of 18350 devices.
Capacity: 1100mah, constant discharging rate (CDR): 11A.
Package: a pair of S11 in one paper box
Safety protection: S11 has a protection mechanism.It stops working immediately and permanently  when short-circuited, no worries of flame or leaking
Certificates: CE, ROHS, FCC, WEEE, MSDS, UN38.3, IEC62133, drop test, sea / air shipping safety report
S11 bench test by HKJ: click here