Fenix 26650 Battery: Charging and Safety Guide

Quick answer

To safely charge your Fenix Li-Ion 26650 battery, use a compatible Fenix charger, avoid overcharging, and store the battery properly.

Step-by-step charging guide

1. Step 1: Inspect the battery: Before charging, check the battery for any physical damage, dents, or leaks. Do not charge a damaged battery. A damaged battery can short circuit or catch fire during charging.
2. Step 2: Use a compatible charger: Insert the battery into a Fenix charger or a charger that supports 26650 Li-ion cells. Ensure the charger is set to the correct voltage (3.7V). Using the wrong charger can cause overcharging or undercharging, reducing battery life.
3. Step 3: Monitor the charging process: Charge in a well-ventilated area away from flammable materials. Do not leave the battery charging unattended for extended periods. Li-ion batteries can overheat if the charger malfunctions.
4. Step 4: Remove when fully charged: Once the charger indicates full charge, remove the battery promptly. Overcharging can degrade the battery's chemistry. Storing a fully charged battery for weeks can also reduce its capacity.
5. Step 5: Store safely: Store the battery in a cool, dry place, ideally at about 50% charge if not used for a long time. Keep it away from metal objects. Proper storage prevents self-discharge and accidental short circuits.

About the Fenix 26650 battery

• Fenix Li-Ion 26650 (3.7 V) 4800 mAH Rechargeable Battery - DISCONTINUED: 4800mAh high capacity rechargeable battery with built-in over-charge protection. This means you can rely on it for extended runtime in high-drain devices like the Fenix FD40 and PD40 without worrying about overcharging.