Fenix - 21700 5000 mAh 3.6 V Li-Ion Rechargeable Battery - USB-C - ARB-L21-5000U
21700 5000 mAh 3.6 V Rechargeable Battery with USB-C Port Fenix ARB-L21U
The 21700 5000 mAh 3.6 volt rechargeable battery manufactured by Fenix. It offers a large capacity of 5000 mAh and will allow you to power many devices with high energy consumption - such as powerful tactical flashlights.
The fully steel casing protects the battery from mechanical damage, thus greatly reducing the risk of a short circuit after impact. The battery also features triple overheating protection. A system of vents allows gases generated in the chamber to escape, thus eliminating the risk of a possible battery explosion. All systems used guarantee safety of use.
The built-in USB-C port allows for easy charging at home as well as on the go. Simply plug it into your laptop or an outlet using the phone charging adapter. The battery takes about 4 h to fully charge and allows for many hours of use depending on usage. Thanks to advanced technology, the battery provides the ability to provide as many as 500 charging cycles at 75% capacity. The battery can be recharged at any stage of discharge without compromising its lifespan thanks to the no-memory system. The manufacturer recommends charging the battery with a current of 1 A to 5 A.
Features:
- High mechanical strength.
- Pressure relief vents.
- Large capacity of 5000 mAh.
- Stainless steel case protects against mechanical damage.
- Triple overheat protection system:
- Pressure protection valve,
- Separate microporous protection,
- cathodic protection,
- Circuit protection in the anode,
- Voltage drop protection.
- Protection against the occurrence of short circuit.
- Large number of charging cycles up to 500 times.
| Technical data | |
|---|---|
| Battery type: | ARB-L21-5000U |
| Voltage: | 3.6 V |
| Cell Size: | 21700 |
| Capacity: | 5000 mAh |
| Charging current: | 1 A recommended, 5 A max |
| Dimensions: | Diameter: 21.5 mm Height: 76 mm |
| Weight: | 72.5 g |
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