Product Review
Input Voltage 5V/500mA, Output Voltage 4.2V/420mA. Height is 1.8 inches, width is 0.75 inches, thickness is 0.5 inches, very easy to carry. There are two color indicators, when your device is fully charged, the USB line indicator changes from red to green, indicating that your device is fully charged. Smart And Secure: Safety guarantee, with overcharge protection circuit, built-in safety circuit, intelligent IC control, even if the power supply unexpectedly short circuit will not damage the equipment.
- 【Applicable Product And Application Range】: Compatible with all 510-threaded devices, it can be connected to desktop computer, tablet, car charger and other USB ports for charging at any time. It can be used in various scenarios for your convenience.
- 【Smart And Secure】: Safety guarantee, with overcharge protection circuit, built-in safety circuit, intelligent IC control, even if the power supply unexpectedly short circuit will not damage the equipment.
- 【Product Specifications】: Input Voltage 5V/500mA, Output Voltage 4.2V/420mA. Height is 1.8 inches, width is 0.75 inches, thickness is 0.5 inches, very easy to carry. There are two color indicators, when your device is fully charged, the USB line indicator changes from red to green, indicating that your device is fully charged.
- 【ULTRA-SAFE & SMART】：Built-in Over-Voltage Protection, Over-Current Protection, Over-Charge Protection and Short-Circuit Protection to ensure safely charge. After fully charged, it will quit charging automatically.
- 【After-sales service】:One year warranty，We offer a one-year warranty service, and you can contact us with any questions about the use of the products.
![[Upgrade Version] USB Smart Charger with Over-Charge Protection and Over-Voltage Protection- 2 Pack](https://images-na.ssl-images-amazon.com/images/I/41k7IUaTkoL._SL75_.jpg)
![[Upgrade Version] USB Smart Charger with Over-Charge Protection and Over-Voltage Protection- 3 Pack](https://images-na.ssl-images-amazon.com/images/I/31--wds3LYL._SL75_.jpg)
