This Panasonic AG-VBR59EC battery is a rechargeable lithium-ion power source designed for various Panasonic camcorder models. It offers a 5,900mAh capacity and 7.28V for optimal performance. Compatible cameras include the Panasonic X1, X1000, X1500, X2000 4K camcorder models, as well as the AG-DVX200 4K Camcorder, AJ-PX270 Handheld HD Broadcast Camcorder, and the Panasonic LUMIX BGh2 Modular 4K Cinema Camera. The battery has a 43Wh capacity and can be recharged using the Panasonic AG-BRD50 charger, with a full charge taking approximately 3 hours and 20 minutes. Key features include its lithium-ion technology, 5,900 mAh capacity, and rechargeability.