21700 Battery Guide: What You Need to Know

If you’ve been paying attention to the new releases from NITECORE, you probably noticed many of the newest flashlights are powered by 21700 li-ion batteries. In 2019, the LED flashlight industry began the transition to this larger size battery (both physically and in energy capacity) and you can expect to see the trend continue throughout […]

Everything You Need to Know about 18650 Batteries

“What type of battery does it use?” is easily one of the most frequently asked questions we get from new customers. The answer, for the vast majority of NITECORE flashlights, is an 18650 li-ion cell which is often a departure from the AA, C or D cells that most people are familiar with. If you […]

NITECORE Store Guide to Buying Li-ion Batteries

Why use li-ion batteries in your flashlight? If you’re new to LED flashlights, you may be wondering why it seems like every flashlight these days uses li-ion cells. Although flashlights, lanterns and headlamps are still made that can run on the more commonly sourced AA or AAA cells, the days of the C and D […]