Vapcell U30 18650 3000mAh 30A/45A Battery

18650 Li-ion INR · 3000mAh capacity · 30A continuous discharge · 45A max pulse · 3A rapid charge · Gold wrap · No BMS · High-drain performance cell.

The Vapcell U30 is a high-drain 18650 Li-ion INR cell built for demanding applications — delivering 3000mAh capacity with a 30A continuous discharge rating and a 45A maximum pulse discharge. This makes it one of the highest-CDR 18650 cells in the Vapcell range, suited to regulated mods running at higher wattages and sub-ohm builds that draw significant current. Rapid charging at up to 3A, wide operating temperature range, and no BMS protection circuit (standard for vape mod batteries). A serious high-drain cell for retailers serving performance-focused vapers. Browse our full Vape Batteries & Chargers Wholesale range for all available cells and chargers.

Key Specifications

⚡ 30A Continuous Discharge · 45A Max Pulse

30A CDR with a 45A maximum short pulse discharge — one of the highest discharge ratings available in an 18650 cell, suited to high-wattage regulated mods and demanding sub-ohm builds

🔋 3000mAh Capacity

3000mAh nominal capacity (2900mAh minimum rated) — strong capacity for a high-drain cell, balancing performance and battery life in a single 18650 format

🔌 Li-ion INR · 11.1Wh Energy Density

INR chemistry with 11.1Wh energy density — a thermally stable, high-drain cell type well-suited to vaping applications requiring consistent high-current output

⚡ 3A Rapid Charging

Supports rapid charging at up to 3A CC (standard charge at 1500mA) via CC/CV at 4.2V — faster recharge times for customers who use their batteries heavily

🌡️ Wide Operating Temperature Range

Charge: 0°C to 45°C · Discharge: -20°C to 60°C — a wide discharge temperature range that maintains performance in varied environments

⚠️ Unprotected — No BMS Circuit

No built-in BMS protection circuit — standard for vape mod batteries. Protection is provided by the regulated mod’s chipset. Not suitable for use in unregulated or mechanical mods without appropriate user knowledge

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Full Technical Specifications

Brand	Vapcell
Model	U30
Battery Size	18650 (18.10mm × 65.00mm)
Chemistry	Li-ion INR (rechargeable)
Nominal Capacity	3000mAh
Minimum Rated Capacity	2900mAh
Energy Density	11.1Wh
Continuous Discharge Current (CDR)	30A
Max Short Pulse Discharge Current	45A
Discharge Cut-off Voltage	2.7V
Charging Method	CC/CV — 4.2V
Standard Charging Current	1500mA (1.5A)
Rapid Charging Current	3A
Charge Temperature Range	0°C to 45°C
Discharge Temperature Range	-20°C to 60°C
Wrap Colour	Gold
Weight	100g
BMS Protection Circuit	No — unprotected cell

Educational Guide: High-Drain 18650 Cells Explained

What Makes the U30 a High-Drain Cell?

The Vapcell U30’s 30A continuous discharge rating places it firmly in the high-drain category of 18650 cells. Most standard 18650 cells are rated at 10–20A CDR — the U30’s 30A CDR (with a 45A max pulse) means it can safely deliver significantly more current without exceeding its thermal limits. This makes it the right choice for regulated mods running at higher wattages where lower-CDR cells would be operating closer to or beyond their safe limits.

What Is the Difference Between CDR and Max Pulse Discharge?

CDR (Continuous Discharge Rating) is the maximum current a cell can safely deliver on a sustained, continuous basis. Max pulse discharge (45A on the U30) is the maximum current the cell can deliver in short bursts — typically a few seconds. In vaping, the initial firing of a coil often draws a brief pulse of higher current before settling to a sustained draw. The U30’s 45A pulse rating provides additional headroom for this initial spike, reducing stress on the cell during firing.

How Does the U30 Compare to Other Vapcell 18650 Cells?

The U30 is Vapcell’s highest-drain 18650 option in this range. The Vapcell K30 offers the same 3000mAh capacity at 15A CDR — suited to moderate wattage use. The Vapcell M35A steps up to 3500mAh at 20A CDR for customers who want more capacity with a higher discharge headroom. The U30 is the choice for customers who specifically need maximum current output and are willing to trade some capacity for a significantly higher CDR.

Why Stock High-Drain Cells?

Performance-focused vapers running high-wattage regulated mods specifically seek out high-CDR cells — they understand battery specs and will not accept a lower-rated cell as a substitute. Stocking a range of 18650 cells across different CDR profiles ensures you can serve both everyday vapers and performance users. Browse the full Vape Batteries & Chargers Wholesale range for all available options.

Frequently Asked Questions

What is the continuous discharge rating of the Vapcell U30?

The Vapcell U30 has a continuous discharge rating (CDR) of 30A, with a maximum short pulse discharge of 45A.

What is the capacity of the Vapcell U30?

The Vapcell U30 has a nominal capacity of 3000mAh, with a minimum rated capacity of 2900mAh.

Does the Vapcell U30 have a protection circuit?

No — the Vapcell U30 is an unprotected cell with no built-in BMS. Protection is provided by the regulated mod’s chipset. It should only be used in regulated devices.

What is the charging specification?

The U30 charges via CC/CV at 4.2V. Standard charging current is 1500mA (1.5A); rapid charging is supported at up to 3A. Charge temperature range is 0°C to 45°C.

What is the difference between the U30 and the K30?

Both cells offer 3000mAh capacity, but the U30 has a 30A CDR (vs 15A on the K30) and a 45A max pulse rating. The U30 is the high-drain option for higher-wattage regulated mods; the K30 is suited to moderate wattage use.

Can I buy the Vapcell U30 in bulk for wholesale?

Yes — the Vapcell U30 18650 battery is available for wholesale purchase. Please contact us directly for bulk pricing and availability.

⚠️ Important Safety Warning

18650 rechargeable Li-ion batteries can be dangerous if used improperly. The Vapcell U30 is a high-drain unprotected cell — always use in regulated devices with appropriate protection circuits. Never use in mechanical or unregulated mods without thorough knowledge of battery safety. Do not short circuit, overcharge, over-discharge, crush, puncture, or expose to extreme heat. Never use a battery with a damaged wrap. By purchasing Li-ion batteries from London Vape Wholesale, the buyer assumes all associated risks. For wholesale enquiries, please contact us directly.

Vapcell U30 18650 3000mAh 30A/45A Rechargeable Battery