1. Input interface: USB-C 2. Input voltage: 5--20V 3. Output voltage: 3-14.4V 4. Output current: 2A (Max) 5. Voltage limit: 14V 6. Rechargeable battery capacity: 4Ah-35Ah (if the battery capacity is more than 20Ah, please match with 18W charger device) 7. Applicable batteries: 12V lead-acid batteries (including maintenance-free batteries, AMG batteries, etc.), 12V lithium iron phosphate batteries 8. Built-in multiple protection mechanisms, safe and intelligent charging 9. Mini appearance design, greatly reducing the space occupied by traditional chargers, easy to carry 10. Adaptable to all kinds of chargers and mobile power, the highest charging power of 18W, greatly reducing the use of requirements, more suitable for cycling in the journey 11. U-type terminal design, easy to be fixed on the battery and connected when needed