This FandyFire Rechargeable 8.4V 4400mAh 18650 Battery Pack for Bike Light will provide ultra brightness to your bicycle lamp! It could send out soft and bright light. With particular design, this battery pack supports excellent over-voltage protection, over-charging protection, over-discharging protection and circuit protection, rather safe and reliable to use. It is so portable for convenient carry and use. Not miss it out!<!--Features --><p>FEATURES</p><ul><li> New and in a good condition</li><li> Premium materials with delicate treatment</li><li> Handy size, lighweight for convenience</li><li> Offer power supply to bike light instantly</li><li> Support over-voltage protection, over-charging protection, over-discharging protection and circuit protection </li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Brand</td><td width="365"> FandyFire</td></tr><tr><td width="131"> Quantity</td><td width="365">1pc</td></tr><tr><td width="131"> Color</td><td width="365"> Black</td></tr><tr><td width="131"> Material</td><td width="365"> Lithium ion</td></tr><tr><td width="131"> Cell Type</td><td width="365"> Lithium Ion</td></tr><tr><td width="131"> Battery Model</td><td width="365"> 18650</td></tr><tr><td width="131"> Head Type</td><td width="365"> Flat Top</td></tr><tr><td width="131"> Mark Capacity</td><td width="365"> 4400mAh</td></tr><tr><td width="131"> Measured Capacity</td><td width="365"> 4400mAh</td></tr><tr><td width="131"> Voltage</td><td width="365"> 8.4V</td></tr><tr><td width="131"> Rechargeable</td><td width="365"> Yes</td></tr><tr><td width="131"> Rechargeable Times</td><td width="365"> 600 Times above</td></tr><tr><td width="131"> Built-in Protected Circuit</td><td width="365"> Yes</td></tr><tr><td width="131"> Over Voltage Protection</td><td width="365"> Yes</td></tr><tr><td width="131"> Short-Circuit Protection</td><td width="365"> Yes</td></tr><tr><td width="131"> Over-Charging Protection</td><td width="365"> Yes</td></tr><tr><td width="131"> Over-Discharging Protection</td><td width="365"> Yes</td></tr><tr><td width="131"> Mercury Free</td><td width="365"> Yes</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (2.76 x 1.57 x 1.57)" / (7 x 4 x 4)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 5.78oz / 164g </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x 18650 Battery Pack </li><li> 1 x Carrying Pouch </li></ul><!--Extra Info --><!--produts_compatibility -->