The M18 Trouble Light w/ USB Charging delivers you over 4 full days of light and features a 2.1A USB Port for USB charging anywhere. This LED trouble light provides up to 100 hours of run time on low, or a full workday of light (10 hours) on high when paired with The M18 REDLITHIUM XC5.0 battery. It features a rotating collar that adjusts the light angle from task to area lighting and one stainless steel hanging hook for maximum versatility. With 700 Lumens of TRUEVIEW High Definition Output, it delivers unmatched light output to illuminate work areas. A high-power 2.1A USB port allows you to quickly charge tablets, smartphones, and other electronic devices on the job site. the rechargeable LED trouble light features an impact-resistant lens to withstand abusive jobsite conditions. The MILWAUKEE M18 Trouble Light w/ USB Charging is compatible with all of The M18 REDLITHIUM batteries (sold separately) and carries a Limited Lifetime LED Warranty, the LEDs never need to be replaced.