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Grumpy Martian

Power source for Celestron Nexstar 5 SE mount.

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Hi. I am looking for advice regarding a power source for my mount. I will sometimes be using an astro video camera or DSLR and monitor. Plus possibly a dew heater strip. FLO shows lithium and LiFePO4 batteries. All at differing Ah outputs. I am trying to understand which would be best to invest in. With an adequate amount of power for an hour or two viewing, video observing or imaging with a DSLR. Any advice would be great. 

Edited by Grumpy Martian
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Look at the power requirements (amps) of all your equipment and add that together. Then think about the longest time you will be outside and multiply that many hours by that figure. Then, because SE mounts do not like running on low power, multiply that figure by 5. You should now never be below the 80% charge level. That is how many Ah you want your power supply to be.

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