Fenix ARE-A4 Four Channels Smart Battery Charger Fenix ARC-A4 is a four channels smart charger, which is compatible with broad spectrum of Li-ion 10440, 14500, 16340, 18650, 21700, 26650 Li-ion and AA, AAA, C Ni-MH / Ni-Cd batteries and capable of charging four different rechargeable battereis simultaneously while the high definition LCD display keeps you informed with readouts of voltage, charging current, charging time, charging status. In addition, a car charging mode offers high convenience for users. Charger automatically selects charging modes based on the type of battery loaded. Utilizing our exclusive accelerated charging technolgoy. Advanced safety features ensure your safety and the healt of the battery (short circuit protection, overcurrent protection, reverse polarity protection, overcharge protection). Supports AC charging and car charging (Car adapter sold separately). Features For charging up to 4 x 10440, 14500, 16340, 18650, 21700, 26650 Li-ion and AA, AAA, C Ni-MH / N