Dual USB Output: Charging two devices simultaneously, meets your multi-devices charge needs. Fast Charging: Support 5V / 2.4A max fast charging for single USB output, Support 5V / 3.6A max fast charging for two USB output. Intelligent identification and automatical output power adjustment, strong compatibility 5S circuit protection, ensure the safety use: Adopts high-quality circuit control chip, not only providing 5S circuit protection, ensuring the safety using status. Still can improve the efficiency of charging and discharging. Up to 95 percent conversion rate: Built-in USB intelligent chip not only for safety, it also can effectively improve the charge conversion, providing stable discharge voltage. Durable in daily use.