1. Compact Dual 18650 Mod with 228W Max Output 2. Quick Charge System with 2A Max Charging Current 3. Upgradeable Firmware with Identifiable Separate Battery Power 4. Serving as a Power Bank for Reverse Charging 5. Retractable Top Filling Solution & Innovative Childproof Lock System 6. Multiple protections 7. Compact size and unique design 8. Easy to remove battery from flip-open battery cover 9. Upgradeable Firmware function 10. 4.9ml/4.6ml liquid capacity  11. Retractable Top Filling system 12. Innovative Childproof Lock System 13. More convenient to fill and safer 14. Bottom airflow control #predator228 #wismecvapekit #vapekit #228w #quickcharge #topfilling #bottomairflow #powerbank #upgradeablefirmware #wismec.org