... DC output: 5V, 1000mA 3. built-in battery: 3.7V,2200mAh UPS battery bank for mobilephone:1. Fashionable design, aluminum shell, good performance ... -lead technology, which is environmental friendly. So the portable power can meet CE, FCC requirements.2. The connector is ... charging performance, also can improve the battery’s service efficiency. 4. Without any external power, it can charge all the ...