One of the top performing Samsung 21700 size batteries, the Samsung 40T is an amazing battery which performs closely to the Samsung 30T in terms of overall power, while offering a superior 4000mAh of capacity.

Features:
Size: 21700
Approximate Diameter: 21.1mm (max)
Approximate Length: 70.4mm (max)
Brand: Samsung
Manufacturer Rated Capacity: 4000mAh
Manufacturer Rated Standard Discharge Capacity: 3900mAh
Manufacturer Rated Max Discharge Current: 30A
Nominal Voltage: 3.6V
Peak Voltage: 4.2V
Style: Flat Top

Batteries are sold individually.