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Fenix ARB-L21-5000 V2.0 Rechargeable Battery
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$25.95
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SKU: WX2*0737112
Overview
Built for powering compatible gear, this rechargeable battery offers a 5000mAh capacity in a 21700 format for users who want a dependable energy source in the field or at camp. Its protection circuitry includes over-charge, over-discharge, short-circuit, and overheating protection, adding an important layer of safety during use and charging. Pressure vents are also included to help expel waste gas if an internal short circuit occurs. With a stated 500 charge cycles, it is a practical option for hunters and outdoorsmen who rely on rechargeable power for repeated use.
Why Hunters Choose the Fenix
5000mah Capacity
Supports extended use between charges
Built-in Over-charge,
Over-discharge, short-circuit, and overheating protection
Pressure Vents
Are designed to expel waste
Rated Up
To 500 charge cycles
21700 Battery
Format for compatible gear
Key Features
- 21700 rechargeable battery with 5000mAh capacity
- Built-in over-charge protection for added battery safety
- Includes over-discharge protection to help prevent damage
- Short-circuit protection circuitry is built in
- Overheating protection adds another layer of battery safety
- Pressure vents are designed to expel waste gas during an internal short circuit
- Rated for 500 charge cycles
Best Used For
- Hunters using compatible 21700 gear needing a rechargeable power source for extended outings
- Backcountry users who want built-in protection features for added battery safety
- Field kits that benefit from a high-capacity battery for repeated device use
- Prepared outdoorsmen replacing disposable cells with a rechargeable option for regular trips
- Users prioritizing a battery designed for protection circuitry and pressure venting
Specifications
| Battery Type | 21700 |
|---|---|
| Capacity | 5000mAh |
| Charge Cycles | 500 |
| Over Charge Protection | Yes |
| Over Discharge Protection | Yes |
| Overheating Protection | Yes |
| Pressure Vents | Yes |
| Short Circuit Protection | Yes |
Pros
- 5000mAh capacity supports extended use between charges
- Built-in over-charge, over-discharge, short-circuit, and overheating protection
- Pressure vents are designed to expel waste gas during an internal short circuit
- Rated for up to 500 charge cycles
- 21700 battery format for compatible gear
Considerations & Trade-offs
- This is a 21700-format rechargeable battery, so it will only fit gear designed for that battery size.
- The stated 5000mAh capacity is a trade-off against size and compatibility; it is not a universal replacement for smaller cells.
- Protection circuitry adds safety features, but it also means the battery is more specialized than a basic unprotected cell.
- The listed 500 charge cycles indicate a finite service life, so long-term use will eventually require replacement.
Suggested Comparisons
- Rechargeable 21700 batteries
- High-capacity flashlight batteries
- Protected lithium-ion batteries
- Battery chargers and power accessories
Suggested Accessories
- Battery charger
- Spare rechargeable battery
- Battery storage case
- Flashlight
Frequently Asked Questions
What type of battery is the Fenix ARB-L21-5000 V2.0?
It is a new 21700 rechargeable battery with 5000mAh capacity.
What safety protections are built into this battery?
The listed protections are over-charge protection, over-discharge protection, short-circuit protection, and overheating protection.
Does this battery include any feature for internal short circuits?
Yes. The description says it has pressure vents that expel waste gas in the case of an internal short circuit, helping prevent explosion.
How many charge cycles is it rated for?
The product information states 500 charge cycles.
Is the exact compatibility with my gear listed here?
No. The provided data does not list specific compatible devices or models.