>> Battery contacts If jostled roughly, the contacts can bend and won’t connect with the battery. Use a knife tip to bend them back into place.
>> Cleaning Wipe off any corrosion with an emery cloth. If it’s really bad, use your knife or a flathead screwdriver to scrape it away.
>> Dead LEDs They’re rated to 100,000 hours (11 years), so manufacturers say that when they burn out, it’s time to buy a new headlamp.
Gear School: HeadlampsImprove your night sight with the latest headlamp technology.