Long-lasting, high-performance battery 16000 mAh capacity (4000 mAh x 4 cells) with a high discharge rate for stable, sustained power delivery. 60 W fast charging reduces downtime and delivers roughly 10 hours of operation on a full charge, depending on load. Clear, real-time power information Built-in digital tube power display shows remaining battery in real time so you can plan charging and avoid unexpected shutdowns. Enhanced safety and reliability Multiple protection design: double over-temperature protection, current protection, and short-circuit protection. Active cooling complements the protection circuitry to maintain safe operating temperatures and extend component life. Precise, user-friendly control Stepless speed control with a simple button switch lets you adjust output smoothly and accurately to match the task. Key attributes and performance Function: delivers long runtime and high discharge power with fast recharge capability. Performance: 16000 mAh capacity, high discharge rate, and 60 W super fast charging for quick recovery. Controls: digital power display, stepless speed control, and button switch for intuitive operation. Safety: layered electrical protections plus active cooling for dependable, safe use. Typical applications Field work and mobile use: Provides up to about 10 hours of operation between charges, reducing interruptions for outdoor or on-site tasks. High-demand tasks: High discharge rate and 60 W fast charging support equipment or accessories that require strong, reliable power and quick recharge cycles. Continuous or safety-sensitive operation: Active cooling and multiple protections make this suitable where thermal and electrical stability are important. What this product solves Minimizes frequent recharging with a large-capacity, high-discharge battery. Reduces downtime with 60 W fast charging and a clear power display. Protects equipment and users through multi-layer safety features and active cooling. Gives precise control over output with stepless speed adjustment and an easy button switch.