Eizfan 21700 3750mAh 30/40A Max Battery
The Eizfan 21700 3750mAh Battery is a high-drain rechargeable lithium-ion battery designed for powerful vape mods and high-performance electronic devices. Combining a strong 3750mAh capacity with a 30A continuous discharge rating and up to 40A pulse output, this battery delivers stable power, fast ramp-up times and reliable all-day performance. Built...
The Eizfan 21700 3750mAh Battery is a high-drain rechargeable lithium-ion battery designed for powerful vape mods and high-performance electronic devices. Combining a strong 3750mAh capacity with a 30A continuous discharge rating and up to 40A pulse output, this battery delivers stable power, fast ramp-up times and reliable all-day performance.
Built for demanding applications, the Eizfan 21700 offers an excellent balance between battery life and high-current output. Its low internal resistance helps maintain efficient voltage delivery, making it ideal for sub-ohm vaping and high-wattage devices that require consistent performance.
Engineered with advanced lithium-ion technology, this 21700 battery provides dependable power output across the discharge cycle while supporting fast charging and stable operation under load.
21700 3750mAh Battery Specifications:
- Battery Size: 21700
- Model: IMR21700
- Rated Capacity: 3750mAh
- Nominal Voltage: 3.7V
- Voltage at End of Discharge: 2.9V
- Maximum Continuous Discharge Current: 30A
- Maximum Pulse Discharge Current: 40A
- Standard Charge Current: 740mA
- Maximum Charge Current: 3700mA
- Low Internal Resistance (16mOhm)
- Rechargeable Lithium-Ion Battery
- Flat Top Design
- Approximate Size: 21.8mm x 70.6mm
Safety Information:
- Always use a compatible external battery charger
- Do not overcharge, short circuit or expose to extreme temperatures
- Never carry loose batteries with metal objects such as keys or coins
- Inspect battery wraps regularly and replace damaged wraps immediately
- Only use within manufacturer-recommended limits
What's in the box?
- 2x Eizfan 21700 3750mAh Batteries
Fast UK Wholesale Delivery
We use DPD Next Day for fast and reliable UK vape wholesale delivery. Orders placed before our 3:00pm cut-off are normally dispatched the same working day, subject to payment confirmation, account verification and stock availability. Delivery costs £10, with free UK delivery on orders over £300.
Returns & Product Support
Eligible return requests can be submitted within 30 days of purchase for incorrect items, verified manufacturing faults or products damaged in transit. Items should remain sealed and in their original packaging wherever possible. Approved returns include prepaid return shipping and may be resolved with a replacement, account credit or refund. Clearance, sale and promotional products are not eligible for change-of-mind returns.
To request assistance, contact us through live chat with your #LEG order number, product details and clear photographs or videos of the issue.
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