The ARB-L21-6000 is a high-capacity 21700 Li-ion rechargeable battery engineered to deliver exceptional power and extended runtimes for your devices. With a massive 6000mAh capacity and a 10A maximum output, this battery ensures your gear stays powered up for longer, even under demanding conditions. Built-in protection circuitry prevents short circuits, overcharging, and overheating, while pressure relief vents ensure added safety. Even after 500 charge cycles, this robust battery maintains 75% of its original capacity, guaranteeing reliable power for years to come.
Specifications:
- Model: ARB-L21-6000
- Capacity: 6000mAh
- Voltage: 3.6V
- Charging Current: Recommended 1.2A, Maximum 4.2A
- Weight: 2.82 ounces (80g)
- Size:
- Length: 3.02" (76.6mm)
- Diameter: 0.87" (22mm)
- Warranty Period: 1 year
*Currently only compatible with the HT18R, HT32, LD45R, PD36R V2.0, PD40R V3.0, TK22R, TK30R




