Specifications:

ANR26650-M1B Rechargeable 26650 LiFePO4 Batteries Bithium ion Battery For Electric Car 
                

Specification:

Nominal capacity:  2.5Ah

Nominal Voltage:   3.3V 

Size:       26.25mm*65.00mm( Max )

Weight:    72.25 grams

Constant discharge rate: 30C

Constant discharge current:  75A

Burst discharge current : 150A

Internal impedance: (1kHz AC) 8 mΩ

 typical Typical fast charge current: 10A to 3.6V CCCV

 Cycle life at 10C discharge, 100% DOD: over 2000 cycles

 Benefits: 
   The ANR26650M1B is A123 Systems' pioneering product, originally designed for a new class of power tools,
    Applicable to a wide variety of system designs.Power: 
   Over 3000 W/kg and 5800 W/L Safety: Excellent abuse tolerance and environmentally friendly
    Safety: Excellent abuse tolerance and enviromentally friendly

 Battery photo