Lithium Battery Charger | 4.2V-16.8V AC/DC Power Supply | Fast Charging for 18650 Cells

Engineered for precision charging, this 1A 1000mA adapter power supply delivers reliable 4.2V, 8.4V, 12.6V, and 16.8V DC outputs for 1S to 4S 18650 lithium battery configurations. Its universal 100-240V AC input ensures stable, consistent performance anywhere, making it an excellent choice for DIY enthusiasts and professionals seeking quality without premium pricing. Features and Benefits - Universal AC Input (100-240V) - Enables safe, stable operation from any standard wall outlet worldwide without a bulky transformer. - Four Precise DC Output Voltages (4.2V/8.4V/12.6V/16.8V) - Provides the exact voltage required for charging 1S, 2S, 3S, or 4S 18650 lithium-ion battery packs. - 1A (1000mA) Constant Current Output - Delivers a safe, moderate charge current suitable for a wide range of 18650 cells, balancing speed and battery health. - Dedicated Lithium Charging Voltages - Each output is specifically calibrated to the 4.2V per cell standard, ensuring proper termination for maximum capacity and longevity. Applications - Custom Battery Pack Maintenance - Charge and balance individual cells or series-connected packs for power tools, flashlights, and custom projects. - Electronics Workshop Power - Use as a stable, adjustable DC bench power supply for prototyping, testing, and powering small devices. - Vaping Device and Power Bank Support - Safely charge the removable 18650 batteries used in advanced personal vaporizers and portable chargers. - Hobbyist and DIY Projects - The ideal, reliable power source for building or repairing battery-powered gadgets, drones, and models. Note Always verify your battery's configuration and voltage requirements before connecting. This charger is designed for lithium-ion cells with a standard 4.2V per cell charge voltage.