1. USB charging input intelligently adapted charging mode
2. Two slots are controlled independently without affecting each other
3. Multiple protections safe charging
4. Compatible with 20700/21700 and other lithium batteries
5. Lightweight and portable with outdoor charging
6. If the battery is over-discharged due to improper storage or use the charger will automatically detect and activate the battery
7. Support curl charging effectively protect the battery and extend battery life
8. Working temperature: 0-40 degrees Celsius
9. Packing list: charger USB data cable user manual
10. Note: The product only contains the charger does not contain other accessories such as batteries
