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21700 vape batteries, are slightly larger than 20700s and ofer a high power output. A line of single and dual battery mods have been designed to utilise the 21700; from Wismec, Lost Vape and iJoy.

Again, we offer a variety of 21700 batteries from different manufacturers, including Basen Efest. In terms of power and output they offer up to a 3900mAh Capacity, 3.7V output and 35 Amp Discharge - dependent on the model.

Efest IMR 21700 Rechargeable Vape Battery (3700mAh, 35A)
from £9.99
 
Efest IMR 21700 Rechargeable Vape Battery (3700mAh, 35A)
3700mAh, 35A Continuous Discharge, 40A Pulse Discharge
Basen 21700 Rechargeable Vape Battery (4000mAh 20A)
from £8.99
 
Basen 21700 Rechargeable Vape Battery (4000mAh 20A)
4000mAh, 20A
OUT OF STOCK
Dual 20700 / 21700 Vape Battery Case (Clear)
£1.99
 
Dual 20700 / 21700 Vape Battery Case (Clear)
20700 / 21700
OUT OF STOCK