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Streamlight
The Streamlight 22101 18650 battery stick is a rechargeable lithium-ion power source built to keep your tactical flashlights and other Streamlight gear running in the field. Whether you're hunting in low light, conducting a night operation, or working a remote camp, having a reliable spare battery means you're never caught without illumination when it matters most. This 3.7V Li-Ion cell delivers 2,600 mAh of capacity in the widely compatible 18650 form factor, so it'll work with most modern Streamlight flashlights and compatible devices that accept standard rechargeable batteries.
Lithium-ion chemistry means no memory effect and faster charging cycles compared to older battery types—you can top it off whenever convenient without worrying about depleting it first. That efficiency translates to longer runtimes on the job and fewer dead batteries in your pack. At 2,600 mAh, you get solid capacity for extended use, whether you're running a light through a long patrol, extended hunting session, or weekend overlanding trip.
For hunters, shooters, and outdoor professionals, redundancy is part of the plan. Keep a spare Streamlight 18650 battery in your bag or truck as backup power. Recharge it at home or at camp, and you've got a fresh cell ready for the next mission.
| Voltage | 3.7V |
| Chemistry | Lithium-Ion (Li-Ion) |
| Capacity | 2,600 mAh |
| Form Factor | 18650 Battery Stick |
| Quantity Included | 1 |
The 18650 is a standard rechargeable battery format used in many modern Streamlight tactical and outdoor flashlights. Check your light's manual or product page to confirm compatibility before purchase.
Yes—the 18650 is a universal form factor. As long as your device accepts 18650 cells and is compatible with 3.7V lithium-ion batteries, this Streamlight cell will work. Always verify your device's specifications first.
The Streamlight 22101 is rechargeable, but the specific charging method depends on your Streamlight light's built-in charging port or a compatible external 18650 charger. Consult your flashlight's manual for charging instructions.
This is a single 18650 battery cell. One battery comes in the package.
Streamlight
The Streamlight 22101 18650 battery stick is a rechargeable lithium-ion power source built to keep your tactical flashlights and other Streamlight gear running in the field. Whether you're hunting in low light, conducting a night operation, or working a remote camp, having a reliable spare battery means you're never caught without illumination when it matters most. This 3.7V Li-Ion cell delivers 2,600 mAh of capacity in the widely compatible 18650 form factor, so it'll work with most modern Streamlight flashlights and compatible devices that accept standard rechargeable batteries.
Lithium-ion chemistry means no memory effect and faster charging cycles compared to older battery types—you can top it off whenever convenient without worrying about depleting it first. That efficiency translates to longer runtimes on the job and fewer dead batteries in your pack. At 2,600 mAh, you get solid capacity for extended use, whether you're running a light through a long patrol, extended hunting session, or weekend overlanding trip.
For hunters, shooters, and outdoor professionals, redundancy is part of the plan. Keep a spare Streamlight 18650 battery in your bag or truck as backup power. Recharge it at home or at camp, and you've got a fresh cell ready for the next mission.
| Voltage | 3.7V |
| Chemistry | Lithium-Ion (Li-Ion) |
| Capacity | 2,600 mAh |
| Form Factor | 18650 Battery Stick |
| Quantity Included | 1 |
The 18650 is a standard rechargeable battery format used in many modern Streamlight tactical and outdoor flashlights. Check your light's manual or product page to confirm compatibility before purchase.
Yes—the 18650 is a universal form factor. As long as your device accepts 18650 cells and is compatible with 3.7V lithium-ion batteries, this Streamlight cell will work. Always verify your device's specifications first.
The Streamlight 22101 is rechargeable, but the specific charging method depends on your Streamlight light's built-in charging port or a compatible external 18650 charger. Consult your flashlight's manual for charging instructions.
This is a single 18650 battery cell. One battery comes in the package.
