Uupower Battery PACK for SONY Camcorder NP-FM50 NP-FM30 DSC-S70 DSC-S75/-S85 Rechargeable Replacement Camcorder Battery For SONY NP-FM30, NP-FM50, NP-FM51 No memory effect. Chargeable even if it has not been used up yet. Full one year warranty With a fully charged battery, you will never miss the important snap moment when you're just about to capture the perfect moment! Best choice to get extra power for your digital camera, camcorder. Chemistry: Li-ion ,Volts: 7.20V(Compatible with 7.40V) Capacity: 1400mAh The package includes : Battery x 1