No longer available:
We highly recommend using the superior Molicel P42A 21700
Battery Specifications
Brand: Samsung
Model: 40T
Size: 21700
Nominal Capacity: 4000mAh
Nominal Voltage: 3.6V
Maximum Voltage: 4.2V
Discharge Current: 30A Maximum Continuous
Style: Flat Top
Protected: Unprotected
Approximate Dimensions: 21.1mm x 70.4mm