EVOLVA FUTURE TECHNOLOGY Bike Light USB 1800LM Cree Led with 7 Hours Runtime Battery Pack Made of Original Samsung 18650 Cells HIGH & DIPPED BEAM: 1800LM aluminum alloy bike light with high beam and dipped beam and intergraded silicon rotating base combination function for night cycling, night camping. 7 HOURS SAMSUNG BATTERY PACK: 3.7V 5200mAh 18650 rechargeable battery pack with two original samsung 18650 batteries. Operating time: High Beam only: Approx. 7 Hours; Dipped Beam Only: Approx. 7 Hours; Combine Beam: Approx. 5 Hours. MULTIFUCTION POWER FEATURES: The battery pack can be charged anywhere and anytime if you carry the C-cord. The C-cord and be connected with phone USB charger, desktop and laptop USB port to charge the battery pack anytime; The P-cord can turn the power bank as the emergency power supply for X5 bike light. FULL PACKAGE: 1x Evolva Future Technology X5 bike light unit, 1x 3.7V 5200mAh 18650 rechargeable battery pack, 1x P-cord (used for power by power bank), 1x C-cord (used for charging the battery pack by USB charger), 1x Helmet velcro belt, 1x Evolva Future Technology velcro pack, 1x Silicon Red LED rear bike light. WARRANTY: 2-year warranty for light unit and 1-year warranty for rechargeable battery. Buy with confidence! Dimples Excel products are warranted to be free of defects from materials and workmanship for a period of 2 years from original purchase. If the product fails to work during normal use, Dimples Excel will repair or replace the defect at no charge.