Ymiko PCBA Durable Useful Practical Industrial Printed Circuit Board Assembly Small Led Digital Display For Led Digital Display Power Supply

Features: 1. 100% and 2. Small body and stable performance 3. Portable backup power supply with an input matching 5.0V adapter to charge the internal battery 4. Press and hold the button after standby LED digital display shows the battery 5. Widely used Specification: Condition: 100% Model: 139-U-PN969 Input 5V 2A the actual output is 5V 2A Item Condition Specification Input Voltage Input Voltage 3.0~4.2V Overcharge Detection voltage 4.20±0.05V Release voltage 4.100±0.05V Detection delay time