General description This 4-slot rechargeable battery charger is designed for 18650 3.7-4.2V lithium batteries and is capable of charging various battery types, including 1.2V Ni-AA/AAA batteries. It features built-in protection mechanisms to prevent overcharging, overheating, and short-circuiting, ensuring safety for both the charger and your batteries. The intelligent LCD display provides real-time updates on charging status and battery levels, making it easy to monitor the charging process. Technical specifications Input: 5V Line length: 50CM Plug specification: Type-C interface Charging indicator: Displays voltage and battery level Fully charged lithium battery voltage: 4.2V Fully charged AA/AAA battery voltage: 1.5V Applicable batteries: 26650, 21700, 18650, 18500, 16340, 14500, AA, AAA Color: Black Material: ABS Compatibility and accessories Compatible with 18650 3.7-4.2V lithium batteries Compatible with 1.2V Ni-AA/AAA batteries Package includes: 1 * Charger, 1 * Charging cable