1. Free DIY, independent control of battery capacity 2. Rubber paint material, skin-friendly touch, delicate and smooth hand feeling 3. Magnetic surface cover, dust-proof and anti-drop 4. QC 3.0+PD3.0 fast charge, easy to match 5. Built-in straps for easy access to the battery 6. With two functions of discharging and charging 7. Digital tube real-time display 8. Input voltage / current: 5V / 2A, 9V / 2A, 12V / 1.5A 9. Charging current: 2A x 2 / 2A x 1 / 1A x 2 10. Charging cut-off current: less than or equal to 120mA 11. Charging cut-off voltage: 4.2V 12. Note: The product only contains the charger, does not contain other accessories such as batteries 13. Packing list: charger, USB-C data cable, user manual 14. Working temperature: 0-40 degrees Celsius 15. Applicable battery: 3.6V / 3.7V LI-ION / IMR / INR / ICR, compatible with 18650/18700/20700/21700 without protective plate and 18650 battery with protective plate 16. Dimensions: 125 x 28 x 58mm 17. Weight: 87g