Battery Life
The highly efficient components in every EOS camera keep power consumption to an absolute minimum, allowing you to shoot for longer on a single charge. The CMOS image sensor, for instance, requires significantly less power than CCD sensors. And by integrating all key camera processes on a single chip, DIGIC technology works more efficiently than conventional image processors.
The table below details approximate battery performance for current EOS models. Turning off the image preview function on your camera gives you significantly more shots per charge.
| Model | Frames per charge |
| EOS-1D Mark IV | 1500 (at 23°C) - 1200 (at 0°C) |
| EOS-1Ds Mark III | 1800 (at 23°C) - 1400 (at 0°C) |
| EOS-1D Mark III | 2200 (at 23°C) - 1700 (at 0°C) |
| EOS 7D | 640 (at 20°C) – 540 (at 0°C) |
| EOS 5D Mark II | 850 (at 20°C) – 750 (at 0°C) |
| EOS 5D | 800 (at 20°C) - 400 (at 0°C) |
| EOS 50D | 640 (at 23°C) – 540 (at 0°C) |
| EOS 40D | 800 (at 23°C, AE 50%, FE 50%) |
| 700 (at 0°C, AE 50%, FE 50%) | |
| EOS 500D | 400 (at 23°C, AE 50%, FE 50%)- |
| 380 (at 0°C, AE 50%, FE 50%) | |
| EOS 450D | 500 (at 23°C, AE 50%, FE 50%)- |
| 400 (at 0°C, AE 50%, FE 50%) | |
| EOS 400D | 360 (at 23°C, AE 50%, FE 50%)- |
| 280 (at 0°C, AE 50%, FE 50%) | |
| EOS 1000D | 500 (at 23°C, AE 50%, FE 50%)- |
| 400 (at 0°C, AE 50%, FE 50%) |
All estimates based on the CIPA Standard using the standard battery supplied with the camera and a Compact Flash memory card.
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