ISDT Universal Fast Charger with Adjustable Current for Rechargeable Batteries Ni-MH Ni-Cd Li-ion LiFePO4 NiZn 18650 21700 AA AAA and More, USB Input

Model:C4 AIRMaximum input power:40WBattery Count:1~4Cylindrical batteryBattery Size:AAA,AA,10440,10500,12500,13500,14500,14650,16650,17650,18650,18700,20650,20700,21700,22650,26650,26700*The maximum size of the horizontal battery slot is 51mm, the maximum size of the vertical battery slot is 72mm.Support battery type:NiMH, NiZn, Li-Ion, LiFe, LiHvOperating Voltage Range:5～12V（Compatible with QC、PD protocols）Charge Current Range:0.1～2.0A（horizontal），0.1～4.0A（vertical）Operating temperature:0~40℃Size:106x73x29mmweight:115gPackage Included:1x ISDT C4 AIR Charger1x TYPE-C Cable(Adapter/Power supply and Battery are NOT included!!)

• [6 Independent Slots for Multiple Batteries] Charge up to 6 batteries with true independent channels—no time-sharing charging. Supports 18650, 21700, 26650 Li-ion batteries and AA/AAA NiMH/NiCd/NiZn batteries.
• [Fast Charging Up to 4A Output] Delivers up to 4A charging current in vertical slots and 2A in horizontal slots for efficient charging performance.
• [Bluetooth App Control with Adjustable Current] Connect via Bluetooth to monitor charging in real time and adjust charging current directly in the Polying app, giving you better control based on different battery types and conditions.
• [USB-C Input with PD/QC Fast Charging] Powered by USB-C with PD/QC protocols, up to 40W input. Works with wall adapters, phone chargers for flexible charging anywhere.
• [Smart Protection & Cooling System] Built-in protections include overcharge, short circuit, reverse polarity, and temperature control, plus an internal cooling fan for stable performance.