This JVC GY - HM620U ProHD handheld camera comes with a battery. However, it doesn't include a battery charger or an external power supply. The main included item is the battery. Please note that there is a known issue: the HDMI output doesn't work.

Using your JVC GY - HM620U ProHD handheld camera is easy. First, insert the included battery into the camera. Make sure it's properly seated. You can then start shooting your mobile news footage. Remember, since there's no battery charger included, you'll need to get one separately to recharge the battery. When it comes to the HDMI output, as there's a known issue, don't rely on it for connecting to external displays. For maintenance, keep the camera in a dry and clean place. Wipe it gently with a soft cloth after use to keep it in good condition. Also, avoid exposing it to extreme temperatures or humidity.