Golisi O4 is a universal intelligent charger that offers up to 2A fast charging and a series of protections. It is made of fire-retardant materials and no button is needed to control it. The charger itself, according to the number of batteries and its type, distributes the charging current.
It is suitable for a variety of batteries, Compatible batteries: 18650, 26650, 20700, 21700, AAA, AA, Ni-cd, Ni-md batteries.. Just put the batteries in and the charger will take care of everything else. The LED indicators inform you about the charging status of the individual batteries, and after charging, the charger turns off and the batteries stop charging.