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BlackCell 20700 Nucleus Li-ion Rechargeable Battery

The Nucleus’ cell is capable of a 3100 mAh capacity, as well as producing a max discharge of 30 A and a max charge current of 4A.

$14.99 0 % $14.99
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Product description
Product description


BlackCell’s Nucleus series batteries are here! The Nucleus batteries feature an innovative Graphene Li-Ion cell in order to produce the best conductivity and maximum charge speeds possible. Unlike other 20700 batteries on the market, all BlackCell batteries come with a secondary ventilation system on the base, designed to deform in the event of the top vent failing.




Material Li-CoMnNi
Normal Capacity 3100mAh
Normal Voltage 3.6V
Charging Voltage 4.2±0.05V
Discharge Cut-Off Voltage 2.5V
Max Charge Current 4A
Continue Discharge Current 30A


Material & Features

  • Secondary Ventilation Disk
  • Graphene Composite



Global product liability insurance (No. B0180PN1803040)  (click to view certificate)



- Do not use if damaged or temperature is above 212°F/100°C

- Do not disassemble or modify the battery

- Do not carry batteries in your pockets or purse

- Batteries may explode or catch fire if not used correctly

- Do not discharge batteries beyond the recommended voltage.