ISDT C4 Air Smart Battery Charger for AAA, 18650, NiMH, Li-ion - 6 Bay Fast Charging with Type-C QC3.0 40W Output - Perfect for Vaping Devices, Flashlights, and Electronics

⚡【6-bay charge quicker,horizontally or vertically】The universal battery charger with original 6-slot position design brings two vertical slots and four horizontal slots. These 6 slots work “truly independently”, do not charge by turns or time-sharing, while the max charging current is as high as 4A vertically and 2A horizontally.

⚡【Widely compatible & Big and small,various of batteries】Using ISDT C4 Air battery charger, horizontally you can charge 4 AA or AAA batteries at once, and the max size of the vertical slot supports up to 26700. (*Supported battery types： AAA,AA, Eneloop, 10440,10500,12500,13500,14500,14650,16650,17650,17670,18650,18700,20650,20700,21700,22650,26650,26700)

⚡【Support APP connection & OTA wireless upgrade】 AA/18650 battery charger C4 Air adopt the ingenious design of the APP instead of the display. Enjoying a bigger view and a smoother touch after wirelessly connect C4 Air with APP, which is full of ease and cool. OTA upgrade anytime, anywhere, always maintain the best performance of the machine.

⚡【USB Type-C Input】The best rechargeable batteries charger with universal USB-C input port, which supports QC/PD fast charging protocol, you can plug and charge with the adapter at hand. With a max input of 40W, computers and power banks can also act as power sources.

⚡【Sound and light indication & micro fan】Indicator light standby, charging, charging completion. Prompt sound battery detection, charging completion, fault alarm. Besides, for a faster and more stable charging, we add a micro fan to keep the machine always cold enough to charge with 4A full speed.

⚡【Safer basic charger with multiple protection】ISDT C4 Air, battery parameter detection and battery type detection ensure exclusive charging configuration for your battery, five protections for overcharge, short circuit, reverse connect, over temperature, and overtime to escort your charging.