18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
UltraFire_HIGH_DRAIN_LI-ION_RECHARGEABLE_BATTERY_12 - UltraFire
UltraFire_HIGH_DRAIN_LI-ION_RECHARGEABLE_BATTERY_12 - UltraFire
Continuous_Discharge_Current_2 - UltraFire
Continuous_Discharge_Current_2 - UltraFire
Internal_Safety_Features_2 - UltraFire
Internal_Safety_Features_2 - UltraFire
UltraFire 10440 500mAh 3.7V Batteries (2/10-Pack) - Protected - UltraFire
UltraFire 10440 500mAh 3.7V Batteries (2/10-Pack) - Protected - UltraFire
Mercury_Free_Lead_Free_Cadmium_Free_1 - UltraFire
Mercury_Free_Lead_Free_Cadmium_Free_1 - UltraFire
SafeandReliable_2 - UltraFire
SafeandReliable_2 - UltraFire
Low_Cost_and_Environmentally_Friendly_3 - UltraFire
Low_Cost_and_Environmentally_Friendly_3 - UltraFire
1-Year_Free_Warranty - UltraFire
1-Year_Free_Warranty - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire

UltraFire® Pro 18650 Rechargeable Battery 3000mAh

3000mAh | 3.7V 6A | Protected

High-capacity and durable, the UltraFire 18650 Pro Rechargeable Battery 3000mAh delivers 3.7V, 6A max discharge, and built-in protection—rechargeable over 1500 times. Pack of 2, perfect for flashlights, headlamps, and high-drain devices.

Siez: 68.3mm×10×10mm

SKU: 8589

$27.99
SALE % OFF

Free Shipping 

Easy Returns

1-Year Warranty
Included

Features

Reliable 18650 Li-ion batteries with 3000mAh capacity and up to 6A continuous discharge. Built-in protection circuit ensures safety from overcharge and short-circuit. Designed for 500+ recharge cycles, with CE, FCC, MSDS, and UN38.8 certifications. Includes protective case for safe storage and transport.

 

Power your gear with UltraFire—trusted, durable, and ready for high-performance devices.

Use Cases

DIY Powerwall Cell Banks

Cordless Power Tool Battery Replacement

Power Tool Battery Rebuilding

High-Performance LED Flashlights

EDC (Everyday Carry) Tactical Flashlights

E-Bike Battery Pack Building

PEVs (Personal Electric Vehicles) Power

Custom Electric Skateboard (esk8) Packs

Solar Energy Storage Systems

Off-Grid Solar Battery Banks

Portable Power Stations

Custom Lithium-Ion Battery Packs

Emergency Survival Gear Power

RC (Radio Control) Transmitters and Vehicles

Robotics and DIY Electronics Power

Arduino and Microcontroller Battery Shields

Ham Radio Portable Power

Solar Garden Light Upgrades

Specifications

Battery Type

18650 Rechargeable Li-ion
Title

Voltage

3.7 V
Title

Max Continuous Discharge

6A
Title

Capacity

3000mAh
Title

Energy

11.1 Wh
Title

Cycle Life

500+ full charges
Title

Charging Port

Charger Dock
Title

Protection Circuit

Built-in (overcharge, short-circuit)
Title

Operating Temp

-20°C to 60°C (-4°F to 140°F)
Title

Weight

50g
Title

Size

68.3mm×10×10mm
Title

Protective Case

Yes
Title

Certifications

CE, FCC, MSDS, UN38.8

Reviews

Customer Reviews

Based on 1 review
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L
LanternLover
Top-notch Performance

Top-notch performance from these batteries. They power my LED camping lanterns with ease, providing bright light throughout the night.
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
UltraFire_HIGH_DRAIN_LI-ION_RECHARGEABLE_BATTERY_12 - UltraFire
Continuous_Discharge_Current_2 - UltraFire
Internal_Safety_Features_2 - UltraFire
UltraFire 10440 500mAh 3.7V Batteries (2/10-Pack) - Protected - UltraFire
Mercury_Free_Lead_Free_Cadmium_Free_1 - UltraFire
SafeandReliable_2 - UltraFire
Low_Cost_and_Environmentally_Friendly_3 - UltraFire
1-Year_Free_Warranty - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire
18650 3000mAh 3.7V Pro Rechargeable Batteries (2-Pack) - UltraFire

UltraFire® Pro 18650 Rechargeable Battery 3000mAh

$27.99