Kokam has just developed a new type of Li-Po cell with the following astonishing characteristics :

Cell : 3.7 V
Capacity : 5 Amps (!!!)
Weight : 60 grams (!!!!) (2,11 ounces)
Discharge : max 20C (but 40 C is now in developement and will be soon tested in R/C)
Charge rate : 1,5 C max
Life span : 500 cycles


For more info check out the following link:

Electric powered Byron F16