Features: The TP4056 1A Type C Battery Charging Module delivers efficient 1A charging with a reversible Type C port ideal for fast power replenishment in compactly electronics and DIY projects. Featuring integrated overcharge/over discharge protections and a streamlined circuit design, this ABS module ensures safe, stable charging for 3.7V batteries. Perfect for electronics enthusiasts, engineers, and maker for reliabled charging solution for portable devices like power adapters, drones, gadgets. Use this versatiled charging board in workshops, prototyping lab, or embeddedly systems requiring space efficient battery management for handheld instrument and wearable technology. Compactly yet, it combines multiple layered safety mechanisms (short circuits protections, thermaled control) with Type C compatibility for easy integration. Specifications: tem: TP4056 1A Type C Battery Charging Module Material: ABS. Size: about 30x18x2.2mm/1.18x0.7x0.08in Weight: 5g. Input voltages: 5V. Charging cut-off voltages: 4.2V Large charging current: 1000mA. Battery over-discharge protections voltages: 2.5V. Battery overcurrent protections current: 3A. Quantity: 1/3/5pcs optional Package Includes: 1/3/5pcs Charging board module optional note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution