Buying Guides

Learn Before You Buy

In-depth guides on flashlight technology, specs, and scoring methodology. Make an informed decision backed by data.

Methodology

How We Score Flashlights

A transparent breakdown of our 5-dimension scoring algorithm — what we measure, how we weight it, and why.

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Fundamentals

Throw vs Flood Explained

Understanding the difference between candela (throw) and lumens (flood), and which matters more for your use case.

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Hardware

Flashlight Battery Guide: 18650 vs 21700 vs CR123A

Comparing the most common flashlight batteries — capacity, size, availability, and which lights use them.

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Specs

Runtime Numbers Explained

Why manufacturer runtime claims can be misleading, how step-down works, and how to read our runtime tables.

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Durability

Understanding IP Ratings for Flashlights

What IPX4, IPX8, and IP68 actually mean in practice, and how much waterproofing you really need.

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EDC

Best Weight Range for EDC Flashlights

Why 60-110g is the sweet spot for pocket carry, and how body shape and clip quality factor in.

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