snippet: Epoch 21700 5000mAh 10A - Button Top Battery (50G) Tested on par with the Samsung 50G Specifications: Model: Epoch-21700-5000mAh Size: 21700 Style: BUTTON TOP Nominal Capacity: 5000mAh Continuous Discharge Rating: 10A , 15A Temperature limited rating Nominal Voltage: 3.60V End of Charge Voltage: 4.20V End of Discharge (Page 1)