EFest IMR 3.7v 5000mah 10a High Drain 21700 Battery

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EFest IMR 21700 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 21700 batteries are also an ideal solution for high powered LED torches.

The EFest 5000mah is our number one recommended 21700 battery for Vapers. Capable of providing 10a 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: 5000mah
Max Current Draw: 10a
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: 21mm +/- 0.2mm (Diameter) x 70mm +/- 0.2mm (Length)
Chemistry: Li-Ion / IMR


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SKU EF12170010A
Barcode # 6958946202290


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