For convenient measurement of both voltage and current of a mobile device, you may be in badly need of this KEWEISI 3V-9V 0-3A USB Charger Power Battery Capacity Tester Voltage Current Meter! Having gone through strict test before shipment, this tester ensures absolute durability and reliability. Sophisticated craftsmanship guarantees its stable and anti-interference performance. Due to its universality, it is highly suitable for cellphone charger, USB flash disk and other products. Would like to have a try?<!--Features --><p>FEATURES</p><ul><li> It can measure the USB-powered devices empty and easy to use and practical</li><li> Compact and easy to carry, no additional power supply, plug and play</li><li> It can easily measure the output voltage of the USB port and the device operating current or load voltage</li><li> Detect any USB charger such as PC USB, home charger, car charger</li><li> Wide range of applications, any phone, any electronic product</li><li> Suitable for factories, laboratories and personal use</li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Voltage</td><td width="365"> 3V-9V, ÷ 1%</td></tr><tr><td width="131"> Current</td><td width="365"> 0-3A, ÷ 1%</td></tr><tr><td width="131"> Time</td><td width="365"> 0-99H</td></tr><tr><td width="131"> Battery Capacity</td><td width="365"> 0-99999mAh</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (2.83 x 0.87 x 0.43)" / (7.2 x 2.2 x 1.1)cm (L x W x H)</td></tr><tr><td width="131"> Material</td><td width="365"> Acrylic</td></tr><tr><td width="131"> Weight</td><td width="365"> 0.71oz / 20g</td></tr><tr><td width="131"> Color</td><td width="365"> Blue </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x USB Current Voltage Detector Battery Tester Meter </li></ul><!--Extra Info --><!--produts_compatibility -->