Portable Light, Battery & Charging Guides

Find the right light, battery or charger guide

Start with the question in front of you. Compare carry shapes, charging systems, cell sizes, charger records and Fenix models.

Illustrated flashlight, headlamp, cylindrical batteries, four-slot charger, and USB-C cable

Choose a guide

Start with the light or charger question you want answered.

Understand the system

Get the useful background on beam terms, charging connectors and cell sizes.

Check replacement batteries and charging methods

Start with the exact light and generation. A battery family, connector or removable cell cannot prove a complete charging relationship.

Browse a Fenix model reference

Find 15 covered Fenix E, WT and HM records with power, charging and manual links.

A simple way through the guides

Start broad, narrow the system, then open the model manual for the details.

  1. SelectChoose the light or charger category.
  2. SystemCompare battery and charging tradeoffs.
  3. Model detailsOpen the manual for the model in hand.
  4. Family referenceFind generation, manual and support links.

Where to go next

Each guide includes its sources beside the facts it covers.

  1. EDC flashlight guide, compact pocket flashlight guide, and rechargeable flashlight guide compare carry, shape, power and charging setups.
  2. Rechargeable headlamp guide compares headlamp form, battery arrangement and charging.
  3. Flashlight terms, charging systems, and 18650 versus 21700 systems explain the specs behind the labels.
  4. Battery size lookup, model-specific replacement batteries, exact charging methods, proprietary cable and charger relationships, charger guide, and Fenix reference link to cited dimensions, exact model records and manuals.