The Weltool INR21-60 is a high-capacity 21700 rechargeable lithium-ion battery built to power today's most demanding high-output flashlights. With a massive 6000mAh capacity and up to 12A continuous discharge, it delivers long runtime and dependable performance for tactical lights, LEP searchlights, and EDC flashlights that take a 21700 cell.
Highlights
High capacity: 6000mAh (measured 5,850–6,000mAh) for extended runtime
High drain: up to 12A maximum continuous discharge at room temperature
Button top: 22mm diameter for broad flashlight compatibility
Built-in safety thresholds: overcharge (4.2V) and over-discharge (2.5V) protection limits
Long life: retains about 70% capacity after 600 charge cycles
Specifications
Model
Weltool INR21-60
Type
21700 Li-ion, button top
Capacity
6000mAh (measured 5,850–6,000mAh)
Nominal voltage
3.6V
Max continuous discharge
12A (room temperature)
Standard charge current
3A (peak 4.2A)
Cycle life
~70% capacity after 600 cycles
Size / weight
22.0mm x 73mm; 73g
Frequently Asked Questions
What is the Weltool INR21-60 21700 battery?
The Weltool INR21-60 is a high-capacity 21700 rechargeable lithium-ion battery (button top, 22mm diameter) built for high-output flashlights.
What is the voltage and capacity of the Weltool INR21-60?
The Weltool INR21-60 has a nominal voltage of 3.6V and a 6000mAh capacity (measured 5,850 to 6,000mAh).
What is the maximum discharge current of the Weltool INR21-60?
The Weltool INR21-60 supports up to 12A maximum continuous discharge at room temperature.
How long does the Weltool INR21-60 last?
The Weltool INR21-60 retains about 70% capacity after 600 charge and discharge cycles.
Does the Weltool INR21-60 have a protection circuit?
The Weltool INR21-60 is an original cell without an added protection circuit, so avoid over-discharging or over-charging it.
Where can I buy the Weltool INR21-60?
You can buy the Weltool INR21-60 at Going Gear – Going Gear is an authorized Weltool dealer.
