Who this is for
Best for
Buyers who want a purpose-built thermal setup matched to a real hunting, scanning, or surveillance use case.
Not ideal for
Buyers whose real use case is better served by a simpler or cheaper format.
Quick answer
XTAR 3.6V 18650 4000mAh Protected Lithium Battery The XTAR 3.6V 18650 4000mAh lithium battery is a protected button top rechargeable cell built for compatible thermal optics, flashlights, headlamps, and other gear that requires a high-capacity...
Quick specifications
- Category
- Battery
Full product description
XTAR 3.6V 18650 4000mAh Protected Lithium Battery
The XTAR 3.6V 18650 4000mAh lithium battery is a protected button top rechargeable cell built for compatible thermal optics, flashlights, headlamps, and other gear that requires a high-capacity 18650 battery.
With 4000mAh capacity, 10A max continuous discharge, and 600+ recharge cycles, this battery is a good fit for users who want longer runtime from compatible devices without guessing which battery style they need.
Best for
- Compatible thermal optics and accessories that accept protected button top 18650 batteries
- Flashlights, headlamps, and outdoor gear requiring a 3.6V 18650 lithium-ion cell
- Buyers who want a rechargeable battery with built-in protection circuitry
Not ideal for
- Devices that require flat top 18650 batteries
- Devices that require unprotected cells
- Devices that use 21700, CR123A, AA, or other battery formats
Quick answer
This is a protected button top 18650 lithium-ion battery rated at 3.6V, 4000mAh capacity, and up to 10A continuous discharge. Buy it only if your device specifically accepts protected button top 18650 cells.
Key specs
- Battery type: Rechargeable lithium-ion
- Size: 18650
- Voltage: 3.6V nominal
- Capacity: 4000mAh
- Max continuous discharge: 10A
- Terminal: Button top
- Protected: Yes
- Recharge cycles: 600+
- Dimensions: 18.4 ± 0.3mm x 69.2 ± 0.5mm
- Weight: ≤50g
Battery safety note
Always confirm compatibility before use. Do not carry loose lithium-ion batteries in a pocket, bag, or case with metal objects. Use a compatible smart charger, inspect the wrap before use, and stop using the battery if it is damaged, leaking, dented, bulging, or overheating.