- Universal Power Solution: Convert 21V DC to 220V AC, ensuring compatibility for both household and outdoor use. Maximize battery utilization efficiently. - Comprehensive Compatibility: Features both AC and USB outputs for dual charging. Seamlessly supports smartphones and various electronic devices, meeting diverse needs in any environment without limitations. - Extended Battery Life: Dynamic power adjustment and smart adaptive functions prevent overload without manual intervention. Intelligent energy management enhances battery longevity while maintaining stable performance. - Reduced Power Fluctuations: Achieves consistent power output with a robust multi-layer circuit protection system, ensuring safe usage with minimized voltage variations and quiet conversion processes. Applications: 1. Ideal for camping trips, powering devices from your battery pack without the need for traditional outlets. 2. Perfect for home use, providing reliable power for essential electronics during outages. 3. Convenient for outdoor activities, ensuring smartphones and gadgets stay charged under various conditions.