Panasonic HC-V380, HC-V510, HC-V520, HC-V550, HC-V710, HC-V720, HC-V750, HC-V770, HC-VX870, HC-VX981, HCW580, HCW850, HC-WXF991 Camcorders VW-VBT190 Li-ion Battery for Panasonic HC-V380, HC-V510, HC-V520, HC-V550, HC-V710, HC-V720, HC-V750, HC-V770, HC-VX870, HC-VX981, HCW580, HCW850, HC-WXF991 Camcorders Battery Specifications - Energy Storage Capacity: 1940mAh /Voltage: 3.6 volts /Wh: 7.0 wh - New fully decoded chip works just like the original.(gives time left and does not need a special charger) Battery has a one-year warranty - 100% Safety Guarantee: Built with multiple circuit protection (over-charging, short-circuit, high-temperature, and surge protection), and high-quality, fire-resistant construction Memory free for maximum performance - Absolutely no memory effect so that you can charge battery at anytime - Super Long Time Recording Includes VW-VBT190 Battery + Micro Fiber Cleaning Cloth