Fenix 18650 Battery (3400 mAh) with Micro USB Charging
Model: ARB-L18-3400U. Manufacturer: Fenix. This 18650-size lithium-ion battery is designed to power portable and household electronics, including proprietary LED flashlights and devices compatible with the 18650 form factor.
The cell capacity is 3400 mAh, which corresponds to a stored energy of 12.24 Wh, and the nominal output voltage is 3.6 V. The battery withstands at least 500 charge/discharge cycles and is not subject to the "memory effect," thus retaining its performance characteristics over many charging cycles. The design is adapted to temperature fluctuations, making it a reliable solution for portable equipment.
The built-in Micro-USB charging port allows convenient connection of the battery to the power grid via a USB cable and adapter or using an external charger. The recommended charging current is 1 A, with a maximum permissible value of 2 A. During charging via the integrated port, an indicator on the casing activates: red — charging in progress, blue — cell fully charged and ready for use.
To extend battery life, it is recommended to charge it to 100% at least once every three months if it has not been used for more than three months. The casing is made of steel, which increases impact resistance and reduces risks associated with mechanical damage from drops.
The battery is equipped with a multi-stage protection system: protection against overcharge, overdischarge, short circuit, and PTC protection against overheating. In case of gas accumulation inside the casing, special vents are provided for gradual pressure release, preventing casing swelling.
Key Features
- Li-ion 18650-size battery
- Capacity: 3400 mAh
- Nominal output voltage: 3.6 V
- Stored power: 12.24 Wh
- Not susceptible to "memory effect"
- At least 500 charge/discharge cycles
- Integrated Micro-USB charging port with color indicator
- Recommended charging current: 1A (maximum 2A)
- Protection against overcharge, overdischarge, short circuit
- PTC protection against overtemperature
- Vents for releasing accumulated gas
- Casing material: impact-resistant steel
- Dimensions: 70 x 18.6 mm
- Weight: 50 g
| Parameter | Value |
|---|---|
| Type | Li-ion, 18650 |
| Capacity | 3400 mAh |
| Nominal Voltage | 3.6 V |
| Energy | 12.24 Wh |
| Charge/Discharge Cycles | At least 500 |
| Charging Port | Micro-USB (indicator: red/blue) |
| Recommended Charging Current | 1 A (max 2 A) |
| Protections | Overcharge, Overdischarge, Short Circuit, PTC |
| Casing | Impact-resistant steel, gas release vents |
| Dimensions | 70 x 18.6 mm |
| Weight | 50 g |
The Fenix ARB-L18-3400U battery is an ideal choice for those who need a reliable, high-capacity, and safe power source for flashlights and other portable equipment. Its robust design, integrated Micro-USB for convenient charging, and extensive set of protections make this cell an optimal solution in the power independence category.
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