Aluminate Biking Light &ndash; 1800 Lumen LED Light &ndash; TWO (2) 8400 mAH RECHARGEABLE Batteries SO BRIGHT!! 1800 Lumen Light with CREE T6 Chipset FREE EXTRA BATTERY!!: TWO (2) 8400 mAH RECHARGEABLE Battery LONG BATTERY LIFE: 3 hour battery life per battery AMAZING CUSTOMER SERVICE! 5 LIGHT MODES