Efest 21700 Vape Battery 3700mAh in Dubai

Description

Discover Efest IMR 21700 3700mAh Vape Mod Battery: More Power, More Runtime for 21700-Compatible Mods in the UAE

A 3000mAh 18650 cell at 20A continuous discharge rate is adequate for moderate-wattage single-cell regulated mods but for vapers in Dubai who run consistently at 60W and above, or who use dual-battery mods for extended all-day sessions, the 18650’s energy capacity and current delivery become limiting factors. The genuine Efest 21700 vape battery addresses both.

3700mAh of stored energy in a cell rated at 30A continuous discharge, in the 21.5mm x 70.4mm format now supported by a growing range of regulated box mods including the Vaporesso Armour S, GeekVape Aegis series with 21700 support, and equivalent high-output devices. Available at Vape Dubai with fast delivery across Dubai, Abu Dhabi, Sharjah, and the entire UAE.

3700mAh Large Energy Capacity

With a 3700mAh capacity, the Efest IMR 21700 stores a substantial amount of energy for extended use between charges. This larger energy reserve helps support longer vaping sessions, reduces charging frequency, and provides dependable all-day performance for users running their devices at moderate to high wattages.

30A Continuous Discharge Rate

At 30A continuous discharge rate and 3.7V nominal voltage, the 21700 cell safely supports approximately 111W of regulated mod output under sustained draw. The practical benefit at 80W operation is reduced voltage sag: the cell delivers current more comfortably within its continuous rating, maintaining stable output voltage throughout the discharge cycle. Consistent voltage means more consistent flavor and vapor production from full charge to low battery.

IMR LiMn Chemistry: Efest’s Safety Priority

The 3700mAh Efest 21700 battery uses the same IMR Lithium Manganese Oxide chemistry that Efest applies across their 18650 range, chosen specifically for its non-toxic composition and improved thermal stability compared to Lithium Cobalt Oxide alternatives. The unprotected design (no built-in PCB) keeps internal resistance low for optimal high-drain performance, the regulated mod’s own battery management system provides the over-discharge, short circuit, and over-current protection the cell relies on.

Technical Specifications

• IMR LiMn Chemistry: Thermally stable lithium-manganese chemistry for reliable high-drain performance.
• 21700 Battery Format: Larger cell size designed for extended runtime and power output.
• 3700mAh Capacity: High energy storage for longer use between charging cycles.
• 3.7V Nominal Voltage: Standard operating voltage for consistent device performance.
• 4.2V Max Charge Voltage: Supports safe charging up to full capacity.
• 2.5V Cut-Off Voltage: Designed to operate within safe discharge limits.
• 30A Continuous Discharge: Handles sustained high-power vaping without performance loss.
• 35A-50A Pulse Discharge: Supports short bursts of increased power demand.
• 21.5mm x 70.4mm Dimensions: Standard 21700 sizing for compatible devices.
• Flat-Top Terminal: Suitable for regulated mods designed for flat-top cells.
• Unprotected Cell: Intended for use in devices with built-in battery protection systems.
• Sold Individually: Available as a single battery for replacement or spare use.

21700 vs 18650: Should You Upgrade?

Factor	18650 (Efest 3000mAh)	21700 (Efest 3700mAh)
Capacity	3000mAh	3700mAh (+23%)
Continuous CDR	20A	30A (+50%)
Voltage	3.7V nominal	3.7V nominal
Compatible mods	Most regulated mods	21700-specific mods only
Daily runtime at 50W	~5-7 hours moderate use	~7-9 hours moderate use
Cell size	18.2mm x 65mm	21.5mm x 70.4mm

The upgrade is worthwhile if your mod supports 21700 cells and you currently experience battery depletion before your day ends. Check your device’s specification before purchasing.

Compatible Mods in Dubai

• Vaporesso Armour S (21700 primary)
• Vaporesso Target 200 (dual 21700)
• GeekVape Aegis Legend 2 (dual 21700)
• GeekVape Obelisk 120 (single 21700)
• SMOK Morph 3 (dual 21700)
• Lost Vape Centaurus M200 (dual 21700)

Always verify your specific device’s battery bay specification before purchasing.

Battery Safety Note

Unprotected IMR cell. Use only in regulated mods with built-in battery management. Never discharge below 2.5V. Never charge above 4.2V. Store and carry in a dedicated battery case, never loose with metal objects. Charge on a fireproof surface. Never leave unattended while charging. Replace immediately if the wrapper shows any damage.

Buy Efest 21700 Battery in Dubai, UAE

3700mAh battery capacity. 30A continuous discharge rate. IMR LiMn chemistry for thermal stability. Flat-top for all 21700-compatible mods. More runtime and more current headroom than any 18650. The upgrade for vapers who need all-day power from a single cell. Order today at Vape Dubai for fast delivery across Dubai, Abu Dhabi, Sharjah, and anywhere across the UAE.

FAQs

Will the Efest 21700 fit in my current vape mod?

Only if your mod specifically supports 21700 batteries. At 21.5mm diameter, the 21700 is physically too large for standard 18650-only battery bays without an adapter sleeve. Check your mod’s specification before purchasing.

What is the difference in daily use between the 21700 and an 18650?

At 50W with moderate daily use, the 3700mAh 21700 typically provides 1-2 hours more use than a 3000mAh 18650 cell before reaching low battery. The 30A continuous discharge also provides more stable voltage output under high-wattage sustained draws.

Do I need two Efest 21700 cells for a dual-battery mod?

Yes, always purchase two cells simultaneously for dual-battery use and use them exclusively as a matched pair. Never mix different brands, models, or purchase batches in a dual-cell mod.

How should I charge the Efest 21700?

Via any quality Li-ion charger supporting 21700 format at CC/CV 4.2V. Confirm your charger accepts the 21700’s 21.5mm diameter before use, standard 18650-only chargers may not fit.