Efest has a new 26650 with a higher capacity - a whopping 4200mAh. These have a 20A/50A amp rating making them suitable for most regulated, unregulated applications. They are $10.97 each but if you buy them in packs of 2 or 4 - they come in under $10.00 ea.
All batteries come with free shipping.
Specifications:
Rated Capacity: 4200mAh
Nominal Voltage: 3.7V
Voltage at end of Discharge: 2.75V
Max Charging Current: 6.4A
Standard Charge: 3.2A
Max. continuous discharge current:
Continuous discharge current: 20A
Pulse discharging current: 50A
WHERE: >> HERE <<
$10.97 + FREE SHIPPING