Insten Compatible Li-ion Battery for Sony nex-6, a3000 / Sony NP-FW50 NEX-5R Never run out of battery power when you're just about to capture the perfect moment with this Sony NP-FW50 compatible li-ion battery. Time to get extra power for your digital video camera/camcorder. High capacity / rechargeable Li Ion Battery with premium battery cell. Color: Black. Voltage: 7.4V. Accessory ONLY, camera not included. Best replacement for the original Sony NP-FW50 battery pack.