Fenix Rechargeable 3400mAh 18650 Battery - Micro USB Port

ARB-L18-3400U - This 18650 Li-ion rechargeable battery is a high-capacity powerhouse, specifically crafted for high-drain devices. With a 3400mAh capacity and 3.6 volts, it offers outstanding performance. It comes with three sets of over-heat protection and a built-in circuit that guards against over-charging and over-discharging, ensuring top-notch battery performance. Its unique structural design enhances impact resistance. Features include a 3400mAh high capacity, protection circuitry to avoid short circuits, pressure vents to prevent explosions, and a guarantee of 500 charge cycles before a 75% decrease due to memory effect. The battery has a voltage of 3.6V, a recommended charging current of 1A (maximum 2A), and a USB port charging current of 0.8A. It weighs 50g, with a length of 69mm and a diameter of 18.6mm.

Using this Fenix 18650 battery is easy. Just connect it to your high - drain device and start using. When charging, use a charger that can provide the recommended 1A current. You can also use the Micro USB port with a 0.8A charging current. For safety, make sure to charge it in a cool and dry place. Avoid over - charging and over - discharging as the built - in protection circuit helps, but it's still good to be careful. To keep your battery in top shape, try not to expose it to extreme temperatures. Also, don't drop or hit it too hard because of its unique design, it's impact - resistant, but rough handling can still cause damage. After about 500 charge cycles, you might notice a decrease in performance due to memory effect. That's normal, but if you take good care of it, it will serve you well for a long time.