?A handy and complete set of? battery pack£¬ charger and battery pack holder£¬ you can possess them all with one purchase.<br><br><strong>Features:</strong><br>Card type and internal installation£¬ quick and easy.<br>High capacity of battery pack£¬ long working time.<br>Fast charging with high quality charger.<br>The shell of bicycle light is made of aviation aluminum processed by CNC machine£¬ and the surface undergoes hard anodic oxidation treatment.<br>Three modes controlled by one dimming switch on the bicycle light-- high brightness up to 800LM£¬ low brightness up to 400LM£¬ and strobe light.<br>The two LED light can work up to 100000 hours!<br>All hardware are packed in an organized way.<br><br><strong>Specifications:</strong><br>Material: ABS &amp; Aluminum alloy<br>Li-ion battery pack capacity: 6200mAh<br>Li-ion battery pack voltage: 4.2V<br>Li-ion battery pack size: 89.2 * 49.2 * 26.6mm / 3.51 * 1.94 * 1.05in<br>Li-ion battery pack weight: 147g / 5.20oz<br>Charger size: 98 * 72.5 * 32mm / 3.86 * 2.85 * 1.26in<br>Charger weight: 99g / 3.48oz<br>Battery pack holder weight: 50g / 1.75oz<br>DC caliber: 3.5mm<br>Operating temperature: -20¡æ to 40¡æ<br>Package size: 31 * 14 * 5cm / 12.20 * 5.51 * 1.97in<br>Package weight: 668g / 23.57oz<br><br><strong>Package List:</strong><br>1 * Battery Pack<br>1 * Charger ?<br>1 * Power Cable<br>1 * Battery Pack Holder<br>1 * Bicycle Light<br>2 * Cup Head Screw<br>1 * Clip<br>1 * Allen Key(3MM)<br>1 * Allen Key (2.5MM)<br>1 * User Manual(English)<br><br><strong>Note:</strong><br>Please read carefully the user manual before you use this product!