Battery Fenix ARB-L21-6000 21700 3.6V 6000mAh Rechargeable
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The Fenix ARB-L21-6000 is a high-capacity 21700 Li-ion battery designed for long runtimes and reliable performance. With a powerful 6000 mAh capacity and 10A max output, it delivers consistent power even under heavy use. Built-in safety features include overcharge, short circuit, and overheat protection, along with pressure relief vents. After 500 charge cycles, it still retains 75% of its capacity, which is ideal for frequent use in high-demand devices.
Fenix ARB-L21-6000 features:
- Capacity: 6000 mAh
- Voltage: 3.6 V
- Charging current: 1.2 A (recommended), 4.2 A (max)
- Output: max. 10 A continuous
- Dimensions: 76,6×22 mm (lxØ)
- Weight: 80 g (2.82 oz)
- Safety: built-in protection circuit and pressure relief vents
- Cycle life: ≥75% capacity after 500 use cycles
- Compatible with:
- CL27R
- E35R
- HT18R
- HT32
- LD45R
- LR36R
- PD36R V2.0
- PD40R V3.0
- PD45R ACE
- TK17
- TK21R
- TK22R
- TK30R
- WF25RM
Please note: Not compatible with 18650-based lights or older chargers (ARE-A2, ARE-A4, ARE-X1 2.0). Use with Fenix ARE-D1 or ARE-D2 chargers only.
Please note: This battery cannot function as a power bank.
Specifications
| Brand | Fenix |
| Product code | ARB-L21-6000 |
| Battery type | 21700 |
| Voltage (Volt) | 3.6 |
| Capacity (mAh) | 6000 |
| Packed per | 1 |













