DC5V Lithium Battery Charging Protection Module Charge/Discharge Integrated Module Mini Booster Step-Up Power Supply

1. Miniature size of 17x12mm, extremely portable, easily embedded into devices 2. Type-C bidirectional interface design, supports seamless switching between input and output, highly compatible 3. Triple intelligent protection: overcharge/over-discharge/overcurrent protection, ensuring safety and reliability while extending battery life 4. Automatic switching between charging and discharging modes, intelligent management without manual operation, saving time and effort 5. Widely compatible with various types of 3.7V lithium batteries, suitable for DIY, small appliance modifications, and other scenarios Product Parameters: Product Name: 5V Charging and Discharging Integrated Module Voltage: DC 4.5-5.5V power supply, suitable for single lithium batteries (parallel connection unlimited) Current: Maximum 1.2A Compatible Battery Types: Compatible with various types of 3.7V lithium batteries, including 18650 and polymer batteries Over-discharge Protection Voltage: 2.9V Charging Cut-off Voltage: 4.2V Protection Features: Includes over-charge, over-discharge, and over-current protection Application : Lithium battery charging DIY; small appliance modifications; adding a charging port to tablets; low-power electrical devices; backup power circuits Color: As Shown Material: Plastic+Metal Package Contents: 10*Modules Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.