Efficient power adaptation: Enables multi-device use with high efficiency power conversion. Converts 21V tool batteries to 220V AC for reliable outdoor and home operation. Reliable performance: Two AC outlets and USB ports provide stable power for smartphones and other devices, allowing simultaneous charging and operation of multiple devices. Automatic power recognition: Intelligent Adaptive Technology detects the connected device’s power draw in watts, optimizes energy distribution, prevents overloads, and ensures reliable operation in different situations. Safe and reliable management: Multi-stage circuit protection delivers consistent energy delivery, protects against power fluctuations and overloads, and supports quiet, low-noise power conversion. Second-life battery compatibility: Supports second-life use of tool batteries for outdoor and home applications, helping extend battery utility while providing flexible power. Designed for practical use: compact, durable, and safety-focused with emphasis on reliable energy delivery and quiet operation. Suitable use scenarios: - Home outages or off-grid setups: power essential devices and charge phones while grid is unavailable. - On-site work or outdoor projects: run small tools or laptops using 21V batteries converted to 220V. - Camping or travel: charge phones, cameras, tablets, and other small electronics on the go.