Although the battery name fits (NP-FH50) If the voltage specifications do not match! This battery is not compatible with the digital SLR Sony Alpha330!
Original Battery Sony NP-FH50: 6.8 V and 870 mAh and min. 5.9 Wh (Od no mAh Wh information on the battery.) 7.2V: VHBW Replacement for NP-FH50