EFest IMR 3.7v 3500mah 20a High Drain 18650 Battery

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EFest IMR 18650 batteries have been specifically designed for Vaping devices. These batteries can deliver short burst of high currents required by popular Vapers without damage. With the ability to provide high currents safely, the EFest 18650 batteries are also an ideal solution for high powered LED torches.

The EFest 3500mah is our number one recommended 18650 battery for Vapers. Capable of providing 20a burst current and offering excellent running time and featuring flat top positive terminal.

All Mr Positives EFest products are sourced directly from the manufacturer and carry all manufacturer verification codes. Always ask your retailer if they are a verified EFest reseller before buying.


Nominal Voltage: 3.7v
Nominal Capacity: 3500mah
Max Current Draw: 10a Constant / 20a Burst
Discharge Voltage: 2.5v
Max Charge Current: 4a
Charging Temperature Range: 0-45 Degrees Celsius
Discharge Temperature Range: -20-70 Degrees Celsius
Internal Resistance: 20 Megaohm
Dimensions: 18.5mm +/- 0.2mm (Diameter) x 65.2mm +/- 0.2mm (Length)
Chemistry: Li-Ion / IMR


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SKU EF1865020A
Barcode # 6958946201972


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