IMREN 18650 Battery Charger, 2A Fast Smart Charger USB-C Universal Single Slot Charger for 3.7V Li-ion 18650 21700 & 1.2V Ni-MH Ni-Cd AA AAA C Rechargeable Batteries

2A Fast Charging with 3 Adjustable Modes - This IMREN K1 charger features 0.5A/1A/2A switchable charging currents via the MODE button, meeting different speed needs. Built-in LCD display clearly shows real-time charging status and battery power level for easy monitoring. Universal Compatibility for Multiple Battery Types - Designed for 3.7V lithium-ion batteries like 18650, 21700, 26650, 18500, 18350, 14500, 16340, 17500. Also compatible with 1.2V Ni-MH/Ni-Cd rechargeable batteries: AA, AAA, AAAA, C size (batteries not included). USB-C Input for Wide Application & Portability - DC 5V/2A USB-C input allows you to charge via wall adapters, car chargers, power banks, laptops and other USB output devices. Compact and lightweight design makes it perfect for travel, home and outdoor use anytime. 75mm Extended Slot Fits Most Cylindrical Batteries - Equipped with a 75mm long charging slot, supporting all cylindrical batteries shorter than 75mm. Perfectly fits button-top 21700, 20700, 26650 and 18650 batteries, solving compatibility issues for long cells. Intelligent & Safe Charging with Reliable Protection - Smartly detects battery voltage and type (3.7V Li-ion/1.2V Ni-MH) for automatic matching. Built-in overcharge, over-discharge, short-circuit and reverse-polarity protection. CE certified for stable and safe daily use..syi