Unlock the full potential of your high-drain devices with our premium 30Q 3.7V 3000mAh 18650 Rechargeable Battery (4 Pack). Engineered for superior performance and reliability, these high-quality lithium-ion cells are your go-to power solution for a wide range of applications, from advanced flashlights and vaping devices to power tools and electric vehicles. Manufactured in Korea, you can trust in their real capacity and robust construction to deliver consistent power when you need it most. Say goodbye to frequent battery changes and experience extended runtime and exceptional durability.
Key Features
- High-Performance Lithium-Ion Technology: Experience the benefits of advanced rechargeable lithium-ion chemistry, offering high energy density and a stable power output.
- True 3000mAh Capacity (30Q): Each battery delivers a genuine 3000mAh capacity, ensuring longer operational times and consistent performance across multiple cycles.
- Impressive 20A Discharge Current: Capable of sustaining a maximum continuous discharge current of 20A, these batteries are ideal for power-hungry devices requiring significant current delivery.
- Flat Top Design: Designed with a flat top, these 18650 cells are compatible with a broad spectrum of devices that require this specific terminal type.
- Reliable Korean Manufacturing: Proudly made in Korea, these batteries adhere to stringent quality control standards, guaranteeing safety, consistency, and long-term durability.
Technical Parameters
- Model No.: 18650 (30Q)
- Rated Voltage: 3.6V
- Standard Capacity: 3000mAh
- Maximum Sustainable Discharge Current: 20A (at 25°C), maintaining 60% capacity after 250 cycles
- Standard Charging: CCCV, 1.25A, 4.20±0.05 V, 100mA cut-off
- Fast Charging: CCCV, 4A, 4.20±0.05 V, 100mA cut-off
- Charging Time: Standard: 180min/100mA cut-off; Fast: 60min (at 25°C) / 100mA cut-off
- Discharge Cut-off Voltage: 2.5V
- Battery Weight: 48.0g max.
- Battery Size: Height: 64.85±0.15mm; Diameter: 18.33±0.07mm
- Country of Origin: Made in Korea
The 30Q 3000mAh 18650 Rechargeable Battery 4-Pack offers an unmatched combination of high capacity, powerful discharge current, and premium Korean craftsmanship. Whether you're a professional seeking dependable power for critical equipment or an enthusiast looking to maximize your device's potential, these batteries provide the performance, reliability, and longevity you demand. Invest in superior power and experience the difference.
What is the frequently asked question?
Q: What devices are these 30Q 18650 batteries suitable for?
A: These high-drain 30Q 18650 batteries with a 20A continuous discharge current are ideal for a wide range of devices including high-powered flashlights, regulated and unregulated vaping devices, power banks, certain electric tools, RC hobbies, and other applications requiring reliable, high-capacity 18650 cells with significant current output.
Q: What does "Flat Top" mean, and why is it important?
A: "Flat Top" refers to the positive terminal design of the battery, which is completely flat and flush with the battery's body. This is important because many devices are designed to use either flat top or button top (protruding positive terminal) batteries. These flat top 30Q cells are perfect for devices that specifically require or are optimized for flat top batteries for proper contact and fit.
Q: How should I properly charge these batteries for optimal lifespan?
A: For optimal lifespan and safety, we recommend using a dedicated lithium-ion battery charger that supports 18650 cells. The standard charging method involves a CCCV (Constant Current, Constant Voltage) protocol at 1.25A, reaching 4.20V with a 100mA cut-off. For faster charging, a 4A CCCV method can be used, also reaching 4.20V with a 100mA cut-off. Always ensure your charger is compatible with Li-ion 18650 batteries.
Q: Are these batteries protected?
A: These are unprotected 18650 cells, meaning they do not have an integrated PCB (Protection Circuit Board) to prevent overcharge, over-discharge, or short-circuiting. Unprotected cells are generally for experienced users and devices with their own built-in protection circuits. Always use them with caution and proper charging/discharging practices.
Q: What is the expected lifespan of these batteries?
A: The lifespan of these 30Q batteries is excellent, designed for durability. Under optimal conditions (such as maintaining proper charging/discharging practices and avoiding extreme temperatures), they are rated to retain 60% of their initial capacity after 250 cycles at a 20A discharge (at 25°C). Actual lifespan can vary based on usage patterns, charging habits, and environmental factors.