Batteries

NITECORE NL1835HP 18650 button top high drain li-ion batteryLi-ion Flashlight Battery Buying Guide BannerNITECORE NL1834R USB rechargeable 18650 li-ion battery

Nitecore Battery Line up

Battery Capacity Just like li-ion batteries can come in a variety of physical sizes, there is also a range of battery capacities available. A battery capacity, labeled in milliamp hours or mAh, clues us in to how much charge the battery can hold. What this means for you is the larger the capacity of the […]

Li-ion Batteries: How to Choose the Best One for Your Light

Key takeaways: A vast majority of LED flashlights produced today use li-ion batteries. Reading an Li-ion battery: The first two numbers represent the diameter of the battery in mm, the next two numbers represent the battery length in millimeters, the final digit represents the shape of the battery. Specifications to consider: Capacity, Voltage, and Current. […]

21700 Battery Guide: What You Need to Know

Key takeaways: 21700 battery is short-hand for a rechargeable, lithium ion battery that is 21 mm in diameter and 70 mm long. The big advantage of a 21700 battery over an 18650 battery is the overall energy capacity possible. 21700 batteries are able to reach a maximum capacity of 5000mAh. How to charge 21700 batteries […]

Everything You Need to Know about 18650 Batteries

Key takeaways: The “18650” naming convention refers to a lithium ion battery cell that is 18 mm in diameter, 65 mm in length and circular in shape.. 18650 batteries provide a superior output and capacity compared to traditional AA/AAA cells. Internal chemistry and size remains consistent between 18650s, there are a few options to be […]