Skip to content

LG

LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp

LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp is a flat-top 18650 lithium-ion cell delivering 3000 mAh capacity and a continuous 20 A discharge at $5.99, ideal for high-drain vaping mods that require reliable power for sub-ohm coils and extended sessions.

$5.99

● In stock

Buy at Central Vapors →

Price and availability may change. Click to see current details on Central Vapors.

Key features

  • Capacity — 3000 mAh for long vaping sessions
  • Continuous discharge — 20 A rating for sub-ohm coils
  • Voltage — 3.6-3.7 V nominal, 4.2 V max charge
  • Flat top — fits standard 18650 slots in mods
  • LG Chem quality — built-in safety protections
  • Versatile — works in flashlights and power tools

Pros

  • +20 A continuous discharge supports high-drain mods
  • +3000 mAh capacity reduces recharge frequency
  • +Flat-top design ensures broad device compatibility
  • +LG Chem manufacturing guarantees safety standards
!

Cons

  • Requires charger that can handle 20 A draw
  • Pricier than basic low-drain 18650 cells

About LG LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp

What is LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp?

The LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp is a flat-top 18650 lithium-ion cell engineered for high-drain applications. With a nominal capacity of 3000 mAh and a continuous discharge rating of 20 A, it delivers both endurance and power. Manufactured by LG Chem, the cell operates at a nominal voltage of 3.6-3.7 V and can be charged to 4.2 V. Its flat-top design fits standard battery compartments in box mods, mechanical mods, and other 18650-compatible devices. The cell’s internal chemistry is lithium-manganese (LiMn), which balances energy density with thermal stability. It supports fast charging cycles up to 1 C, allowing users to recharge from empty to full in roughly an hour with a compatible charger. Safety features include built-in protection against over-charge, over-discharge, and short-circuit conditions.

Key features

  • Capacity — 3000 mAh provides long vaping sessions.
  • Continuous Discharge — 20 A rating supports sub-ohm coils.
  • Voltage Range — 3.6-3.7 V nominal, 4.2 V max charge.
  • Flat Top Design — Fits standard 18650 slots in mods.
  • LG Quality — Produced by LG Chem with strict safety standards.
  • Versatile Use — Suitable for flashlights and power tools.

Who is LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp for?

The battery targets vapers who build sub-ohm tanks, cloud-chasing enthusiasts, and anyone using high-drain mods that demand steady current. It also appeals to DIY hobbyists who need a reliable power source for high-lumens flashlights, cordless drills, or portable electronics. Because the cell meets strict safety certifications, it is a solid choice for both seasoned mod users and newcomers who want a proven, high-performance battery without the guesswork. Its low internal resistance ensures minimal voltage sag under load, preserving flavor and vapor production. The battery’s consistent performance across temperature ranges makes it reliable for outdoor vaping or use in rugged environments.

How does LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp compare?

Compared with standard 18650 cells that typically offer 2000-2500 mAh and 10-15 A discharge, the HG2 doubles capacity while maintaining a 20 A drain, placing it in the premium high-drain segment. It outperforms generic low-cost alternatives that may lack consistent current delivery, yet it remains more affordable than specialty high-drain cells that exceed 30 A. The flat-top form factor also gives it broader compatibility than button-top variants. For users who prioritize longevity, the HG2’s cycle life typically exceeds 500 full charge-discharge cycles, translating to years of dependable service. When paired with a quality mod, the battery’s stable output helps prevent coil burnout and extends coil lifespan.

🎯

Best use cases

  • Sub-ohm cloud-chasing vape mods
  • High-lumens tactical flashlights
  • Cordless power drills and drivers
  • Portable Wi-Fi routers and networking gear
🛒

Is LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp right for you?

Buy the LG HG2 if you run high-drain vape mods or need a robust power source for demanding devices. It suits experienced vapers comfortable with battery safety and users of high-output flashlights or cordless tools. Beginners may start with lower-drain 18650 cells, while power-hungry users might consider 30 A specialty batteries for extreme loads. Check that your mod’s battery compartment accepts flat-top cells and that your charger can handle the 20 A discharge safely.

How it compares: When stacked against standard 18650 cells, the HG2 offers roughly 20 % more capacity and double the continuous discharge rating, positioning it between everyday low-drain batteries and premium high-drain 30 A cells that command higher prices. Its flat-top shape also gives it broader compatibility than button-top alternatives, making it a versatile choice for most mods.

More from Central Vapors

?

Frequently Asked Questions

What capacity does the LG HG2 provide?

The LG HG2 delivers a nominal capacity of 3000 mAh, which translates to longer vaping sessions or extended runtime for high-drain devices before needing a recharge. This capacity is higher than many standard 18650 cells, allowing users to enjoy more consistent power output across the battery’s life cycle.

Does the battery support fast charging?

Yes, the HG2’s lithium-manganese chemistry permits fast charging up to a 1 C rate, meaning a full charge can be achieved in about an hour with a compatible charger. Fast charging does not compromise safety, as the cell includes built-in protection against over-charge and overheating.

How does the HG2 compare to lower-drain 18650 batteries?

Compared with lower-drain 18650 cells that typically offer 2000-2500 mAh and 10-15 A discharge, the HG2 provides a larger 3000 mAh capacity while maintaining a 20 A continuous rating. This makes it suitable for more demanding setups, though it may cost slightly more than basic cells.

Is the flat-top design compatible with most mods?

The flat-top shape of the HG2 is designed to fit the majority of 18650 battery slots found in box mods, mechanical mods, and many high-drain flashlights. Users should verify that their device’s battery compartment accepts flat-top cells, as some older models may only accommodate button-top designs.

Can the HG2 be used in power tools?

Yes, the HG2’s high-drain capability and robust 3000 mAh capacity make it a viable power source for cordless drills, impact drivers, and other battery-powered tools that accept 18650 cells. Ensure the tool’s voltage requirements match the battery’s 3.6-3.7 V nominal range for optimal performance.

How much does LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp cost?

LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp is $5.99 at Central Vapors. Prices may change — click through to Central Vapors for the latest.

Is LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp in stock at Central Vapors?

Yes, LG HG2 INR18650 LiMn 3000mAh Battery - 20 Amp is currently in stock at Central Vapors.

Specifications

Brand
LG
Category
Tobacco
SKU
493-1062
Last updated May 14, 2026