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Power and Batteries
The BMPCC uses standard Nikon EN-EL 20 rechargeable batteries, which are available at a capacity of around 850 to 1200mAH. This will give an approximate shooting time between 50 and 70 Minutes. So while it is nice that the BMPCC has exchangeable internal Batteries and can be used in a minimal setup, longer shootings will most probably require the use of an external power source.
The good thing is that the Power Connector on the camera accepts a wide voltage range (12-18v), so there are plenty of external solutions to choose from.
Dedicated External Solutions
DIY Solutions
- Power works with a custom Cable and LiPo 3S or 4S RC Battery like: http://www.hobbyking.com/hobbyking/store/__9162__ZIPPY_Flightmax_2200mAh_4S1P_30C.html
Power Specs
| External Power | 1 x 0.7mm DC Jack for power and battery charging. |
| Power | Removable, rechargeable Lithium Ion battery for EN-EL20, 12V-20V DC port for external power and battery recharging. |
| Battery Life | Approximately 1 hour of continuous recording time. |
| Battery Charge Time | Approximately 1 hour 15 minutes when camera is off, and approximately 2 hours when in use. |
Power Connector
If you want to use an external power source, use a barrel connector with the following dimensions:
Length of plug: 9.5 mm Hole diameter: 0.7 mm External diameter: 2.35 mm
To prevent interfering with HDMI connectors that may also be connected to the camera at the same time, it is recommended that your connector has an external body diameter of not more than 8.3 mm.
Voltage External Power
What is the maximum power I can send to the Pocket Cinema Camera?
The maximum input voltage limit is +18V. When using an external power source, it is very important to make sure you do not exceed the 18V limit or you will risk damaging the Pocket Cinema Camera.
How much power does the Pocket Cinema Camera consume?
The typical power consumption of the Pocket Cinema Camera is approximately 6.8W while recording to an SD card with an active MFT lens. If the HDMI output is also used, the power consumption is approximately 7W. The power consumption of SD media may differ and the following figures are calculated based on using the Sandisk 128GB Extreme SDXC card.
