DIY Field Battery

Astrophotographers who regularly travel to remote observing sites require a reliable power source to last an overnight imaging session. In this article, I will describe how to construct a DIY field battery — the most essential component of any portable imaging setup. I will also discuss how to calculate the total power requirement of your system in order to determine the recommended battery capacity (ampere-hours) that will provide continuous power that will last overnight (longer than 12 hours).

A DIY field battery to power my DSLR camera, mount, laptop, and dew heaters

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