F4 | Four-Slot Flexible Power Bank Charging and discharging functions | Integrated intelligent USB charging and discharging management system | Capable of charging 4 batteries simultaneously and controlling each slot independently | Micro-USB 2.0 input port enabling 1A charging currents for 2 slots simultaneously | 2 USB output ports capable of outputting 2A currents simultaneously | LCD real-time display on Battery Voltage, Charging Current, Charged | Volume, USB Output Current and Output Volume | Energy saving hibernation function for the LCD Display | Automatic detection on the battery level and automatic adoption for the optimal charging modes between CC and CV | Battery group discharging function | Reverse polarity protection and anti-short circuit protection | Activates over-discharged batteries with protective circuits | Made from durable and fire-retardant PC materials | Optimal heat dissipation design. For more information, visit @nitecorecharger | Charger.Nitecore.com #nitecore #18650 #charger #nitecorecharger #powerbank #thevapingdragon (at California) https://www.instagram.com/p/BvSL77QB-eT/?utm_source=ig_tumblr_share&igshid=1md6q4elb6yjb
