Efest IMR 18650 3000mAh Battery
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Description
High-Drain 18650 Battery with Stable Output
This is an unprotected lithium-ion battery. Use only with regulated devices and approved chargers.
Regulatory Note: Intended for adult users (18+) in Ireland.
Efest IMR 18650 3000mAh Battery is a proven solution for vapers in Ireland seeking a balance between extended runtime and stable discharge performance. The use of IMR (lithium-manganese) chemistry provides improved thermal stability, which is essential for modern regulated devices operating in wattage and temperature control modes.
With a capacity of 3000mAh and a ~20A continuous discharge rating, this battery is optimised for consistent daily use while maintaining predictable performance under load.
Key Features
- 3000mAh capacity for extended usage
- IMR chemistry for improved thermal stability
- ~20A continuous / up to ~35A pulse discharge
- Flat-top design for vape mods
- Balanced performance for regulated devices
Technical Specification
| Parameter | Specification | Usage Context | Compatibility | Technical Notes |
|---|---|---|---|---|
| Capacity | 3000mAh | Runtime | Single/Dual 18650 mods | Extended daily use |
| Discharge | ~20A continuous | Power delivery | Voopoo, Geekvape, Smok | ~35A pulse |
| Voltage | 3.7V nominal | Operation | Regulated devices | 4.2V full charge |
| Type | IMR | Safety | Modern chipsets | Thermally stable chemistry |
Real-World Performance
Eirhorse Staff Verdict: In our testing with external chargers such as Nitecore units, these cells maintain stable voltage output closer to 3.7V for longer compared to lower-capacity batteries. They perform consistently in devices like Voopoo Drag and Geekvape Aegis series, where power demand around 50–60W remains steady.
Performance & Use Case
This battery is best suited for regulated devices operating in the 40–80W range, offering a strong balance between discharge capability and runtime.
Battery Safety & Handling
This is an unprotected cell — always inspect wraps, avoid short circuits and never carry loose batteries with metal objects. Improper use may result in overheating or failure.
Charging Guidelines
Use a dedicated external charger with CC/CV charging profile. Avoid overcharging and deep discharge.
Helpful Guides
What Is a Battery in a Vape Device? WEEE Recycling & Take-Back Battery Error Diagnostics
Regulatory & Safety – Ireland
This product must be disposed of according to WEEE regulations.
Frequently Asked Questions
Is this battery suitable for vaping?
Yes, it is designed for regulated devices requiring stable high-drain performance.
What does 20A continuous discharge mean?
It defines the safe level of current the battery can supply continuously without overheating.
Is it better than 2600mAh batteries?
Yes, it offers around 15% more capacity, though lower-capacity cells may perform better in extreme sub-ohm setups above 80W due to higher discharge headroom.
Safety
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