Those cells suck! China has some other kind of mAh-meassurement...
I recently tested one Ultrafire 3200mAh in my "liito-kala 500" and got 700mAh...
These cells though. 200 usd/kWh for really good cells!:
NKON | Samsung ICR18650-28A 2800mAh - 6A - 18650 size - Rechargeable batteries