Best Replacement Battery for Sony NP-F970 NP-F960 NP-F975 NP-F950 NP-F930 NP-F330 NP-F550 NP-F570 NP-F750 NP-F770; Suitable for Neewer CN160, NW759/74K/760 FW759/74K/760 and Other LED Video Light or Monitor 6600mAh Li ion Battery: High capacity and rechargeable Li ion Battery with premium cell passed UL for longer battery life. NOTE: For optimal battery longevity, please fully charge the battery before first use Portable Design: Easy to carry when out or travel Function: Provides extra power for your digital video camera/camcorder, LED video light or monitor Never run out of battery power when you're just about to capture the perfect moment