Features: 100% brand new and premium quality. The input voltage range of mobile power supply boost module is 6-24V, output voltage range is DC5.2V, and output current range is 3A. Adopted of high quality electronic components, and precision process, ensure for the durability. High Efficiency: With high conversion efficiency.The higher the input voltage, the higher the efficiency. Wide Application: Compatible with many phone models, such as for Android series, iPhone series, Huawei, Millet, Nokia . Specification: Condition: 100% Brand New Compatible Phone Model: For Android series, iPhone series, Huawei, Millet, Nokia ... Input voltage range: 6-24V Output voltage: 5.2V (the output terminal is 5.3-5.4V, the load side is 5.1-5.2V) Output Current: 3A (without heat sink, the stability of the output current is 2A) Package Weight: Approx. 8g/0.3oz Package List: 1 * Dual USB Power Module Note: 1. Input voltage can not exceed 24V, otherwise it will cause damage to the device 2. Enter the positive and negative can not be reversed, otherwise it will cause damage to the device 3. When working in power, you can not touch the circuit board on the sampling resistor, IC pin, otherwise it may lead to damage to the output voltage of the device .