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OpenRex Running from a Battery

c3mdc , 03-03-2017, 04:44 AM

Has anyone tried to run the OpenRex off of a battery. I'm thinking of trying to run it off 4 AA batteries. Run time is not critical, I just want to be sure it will boot and run for a few hours. I will most likely regulate the battery voltage to 5V with a buck-boost.


robertferanec , 03-03-2017, 11:40 AM
I tried to run OpenRex SOLO from battery, no problem. I used one of the travel USB chargers, like this Anker Astro E1 5200mAh Candy bar-Sized Ultra Compact Portable Charger (you may want to play with different capacity): https://www.amazon.com/dp/B00P7N0320..._TE_item_image

c3mdc , 03-09-2017, 08:02 AM
Thanks. I was able to run the board from 4 AA Alkaline batteries through the Linear Tech LTC3119 Buck-Boost Regulator, regulated to 5V with no issues. I have no idea on run time though.
robertferanec , 03-10-2017, 08:38 AM
Thanks for sharing the info
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