Pownergy 21700 4000 mAh 40A


The Pownergy 21700 4000 mAh 40A battery is constructed with the highest grade materials!

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If you’re looking for a reliable, lasting and high-drain 21700 battery, the Pownergy 21700 should be your number one choice! Featuring a 4000mAh rating and a continuous discharge of 40A, which is more than enough power to support any energy guzzling device!

This Product Features:

Nominal Capacity: 4000 mAh
Nominal Voltage: 3.7V
Charging Voltage: 4.2V
Max. Continuous Discharging Current: 40A
You Will Receive:

1x – Pownergy 21700 4000 mAh 40A