18650 1800mAh 3.7V Rechargeable Batteries (2/4-Pack) - UltraFire
18650 1800mAh 3.7V Rechargeable Batteries (2/4-Pack) - UltraFire
18650 1800mAh 3.7V Rechargeable Batteries (2/4-Pack) - UltraFire
18650 1800mAh 3.7V Rechargeable Batteries (2/4-Pack) - UltraFire
1-Year_Free_Warranty - UltraFire
1-Year_Free_Warranty - UltraFire
18650 1800mAh 3.7V Rechargeable Batteries (2/4-Pack) - UltraFire
18650 1800mAh 3.7V Rechargeable Batteries (2/4-Pack) - UltraFire

"Feels super safe, no heating up like the cheap ones."

- Mark Davis

"Battery life is exactly what they say. Lasts longer than I expected."

- Jessica Moore

UltraFire 18650 1800mAh 3.7V 3A Batteries (2/4-Pack) - Unprotected

$15.99
$18.99
SALE 16% OFF

Features

High-Performance Li-ion Power
The UltraFire 18650 rechargeable batteries deliver 1800mAh capacity with a 3A max continuous discharge rate, providing stable, long-lasting power for flashlights, headlamps, and other high-drain devices.

 

Reliable Energy for Demanding Gear
With 6.66Wh of energy and up to 500+ recharge cycles, these cells are built to keep your equipment running through repeated use.

 

Compact & Lightweight
Slim design and lightweight build make these batteries easy to carry as spares for outdoor adventures, work gear, or emergency kits.

 

Certified Quality
Tested and verified with CE, FCC, MSDS, and UN38.8 certifications, ensuring consistent and safe performance.
Included

Free Shipping 

Easy Returns

1-Year Warranty

  • Specifications

  • reviews

Battery Type

18650 Rechargeable Li-ion
Title

Voltage

3.7 V
Title

Max Continuous Discharge

3A
Title

Capacity

1800mAh
Title

Energy

6.66 Wh
Title

Cycle Life

500+ full charges
Title

Charging Port

Charger Dock
Title

Operating Temp

-20°C to 60°C (-4°F to 140°F)
Title

Weight

44g
Title

Size

66mm×10×10mm
Title

Protective Case

No
Title

Certifications

CE, FCC, MSDS, UN38.8

Customer Reviews

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18650 1800mAh 3.7V Rechargeable Batteries (2/4-Pack) - UltraFire
18650 1800mAh 3.7V Rechargeable Batteries (2/4-Pack) - UltraFire
1-Year_Free_Warranty - UltraFire
18650 1800mAh 3.7V Rechargeable Batteries (2/4-Pack) - UltraFire

UltraFire 18650 1800mAh 3.7V 3A Batteries (2/4-Pack) - Unprotected

$15.99