Calculating battery life is non-trivial. It depends on the camera model, firmware version, SD card speed, lighting conditions, battery size, age of the battery, ambient temperature, and more. To help you understand the issues and to calculate estimated battery life, consult the Camera Power Consumption Study and our Time Lapse Calculator.
Two Power Output Ports
Reliable Charging Circuit
LED Power Indication
16.8 Watt Solar Panel Specifications
If you have a problem with your battery or need more detailed information, you can ask the folks at Voltaic. They will be most helpful. Voltaic Support.
How long will the battery last before it is discharged?
It depends on many factors: the controller you are using, the camera you are using and the shooting schedule you have programmed. There are just too many variables to give an accurate answer.
An analysis of the power consumption of the various GoPro cameras and an explanation of how to calculate the theoretical battery life is outlined on the GoPro Power Consumption page.
Has the V72 battery been used for long term projects?
The V72 battery stays on if sufficient power is being drawn. If the camera is powered from the V72 battery with no battery in the camera, the battery should not shut down and the camera can operate for long periods. In our tests, the HERO3+ Black operated for over 24 hours in video loop mode starting with a fully charged V72 battery.
With the WiFi turned on, even if the camera is off, sufficient power is drawn to keep the battery from shutting down. In this mode, the HERO3+ Black, with no battery in the battery compartment draws about 0.4 watts. So the camera can remain in standby mode with a WiFi connection for 150 hours.One of our customers reported using the V72 battery with the BE-12V Battery Eliminator (discontinued) powering a HERO3 Black for a 24+ hour time lapse at one shot per 10 seconds using the GoPro Time Lapse function and no intervalometer. The camera took 11,000 photos and used 33GB of SD card space.
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