Nextop-Olympus LI-40B/LI-42B Brand New 1200mAh COMPATIBLE Battery for Olympus AU 700 740 720sw 725sw 730 740 750 FE 300 320 330 340 350 5500 Stylus 720sw 730 740 750 760 770sw 780 790sw 820 830 840 850sw 1200 u 795 820 830 840 850sw X785 X790 X795 X800 Brand New High Capacity Rechargable Battery No memory loss effect Integrated microchip prevents overcharging & lengthens battery life premium Japanese cell for top performance