Ropelux Machanic Light Is A Must-Have For Home, An Excellent Addition To Anyone'S Tool Box Or Emergency Kit. It Is So Versatile And Reliable, Could Be Your Trusty Companion For All Sorts Of Things: ?Home Improving, Working Scenarios ?Power Outages, Temporary Lighting, Emergency ?Underhood & Engines Bays, Wood Projects Lighting ?Garage, Workshop, Basement ?Car Repairing, Maintenance, Inspection Now Keep This Magnetic Work Light Bar Affixed To The Garage Fridge To Be Easily Accessed In Case Of Blackouts, Emergencies, Or Work Light Needs. ?Here Are More Details About The Built-In Rechargeable Battery? ??1. The Discharge Current Is Constant Till The End, So Both Two Levels' Brightness Won'T Dim As The Battery Runs Low. ??2. The Battery Is Jointly Protected By The Board Inside The Battery And The Power Board For Over-Charge And Over-Discharge Protection, Ensuring Safety And A Long Lifespan. ??3. Full Charging Time: 4-4.5Hrs, Until The Four Indicators Are Solid And Not Blinking. ??4. After A Full Charge, The Work Light Lasts For 2.2Hrs In High Brightness And 5.5 Hrs In Low Brightness. ?Here Are Important Notes About Charging? ??1. The Work Light Will Shut Off While In Charging, For Ensure Charging Safty And Battery Performance. ??2. Please Use The Included Charging Cable, Which Is Usb-A To Usb-C Type. Don'T Use A Dual Usb-C Type Cable, It Is Unavailable For Charging. ??3. Connect The Charging Cable To A 5V1.2A Adapter Or Above To Charge The Work Light. (The Cable Is Included In The Package But The Adapter Isn'T) ?Here Are Important Notes About Magnets? ??1. Magnets Cannot Stick To Aluminum Alloy, Carbon Fiber, Or Surfaces With Extremely Low Iron Content. ??2. If The Underside Of The Hood Is Aluminum, Then The Magnets Don'T Work. ??3. Please Stick To The Surface With High Iron Content To Hold The Work Light.