Samsung, Sony Murata, LG, Panasonic compared against three high mAh capacity 18650s made in China. Tests include ambient mAh capacity, internal resistance, cold temperature mAh capacity, and a contest using 18650 powered fans. Brands tested: LG HE4, Samsung 35E, Samsung 25R, Samsung 30Q, Sony VTC6, LG MJ1, Sony VTC5A, Panasonic, Ultrafire, ETSAIR, CASTNOO, and BXE.
