The Nitecore F1 Flexible Micro-USB Outdoor Power Bank Smart Battery Charger is compatible with cylinder rechargeable Li-ion batteries of various sizes. It has an intelligent USB charging management system and optimized design for IMR battery charging circuit. Three power indicators display current charging or discharging status. Plus, it is equipped with battery detection and appropriate charging voltage/mode selection. And it is built with all-round protections against battery reversed polarity and short circuit. Mini and light, it is easy to carry. Click and order now!<!--Features --><p>FEATURES</p><ul><li> Compatible with cylinder rechargeable Li-ion batteries of various sizes</li><li> Intelligent USB charging management system</li><li> Up to 1000mA fast charging through Micro-USB input port</li><li> 1000mA fast charging through USB output port</li><li> Optimized design for IMR battery charging circuit</li><li> Three power indicators to indicate charging/discharging status</li><li> Automatic power level detection</li><li> Instant battery voltage indication upon battery installation</li><li> Automatic battery detection and appropriate charging voltage/mode selection</li><li> Battery reversed polarity protection and short circuit prevention</li><li> Made from durable PC material (fire retardant/flame resistant)</li><li> Designed for optimal heat dissipation</li><li> Certified by RoHS, CE, FCC and CEC</li><li> Mini and light, easy to carry </li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Material</td><td width="365"> ABS</td></tr><tr><td width="131"> Color</td><td width="365"> Black</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (3.43 x 0.94 x 1.15)" / (8.72 x 2.4 x 2.93)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 1.07oz / 30.4g</td></tr><tr><td width="131"> Product Name</td><td width="365"> Nitecore F1 Power Bank</td></tr><tr><td width="131"> Input</td><td width="365"> DC 5V －500mA</td></tr><tr><td width="131"> Output Voltage</td><td width="365"> 4.2V＼1% (slot)/5V＼5% (USB), 1000mA MAX (slot)/1000mA (USB)</td></tr><tr><td width="131"> Compatible with</td><td width="365"> Li-ion /IMR: 26650/18650/17670/18490/17500/17335/16340(RCR123)/14500/10440 (Not Included) </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x Nitecore F1 Battery Charger</li><li>1 x Rubber Band </li></ul><!--Extra Info --><!--produts_compatibility -->