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jvoermans / Vibration_Logger

Logger to measure sea ice vibrations
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battery #34

Closed jvoermans closed 3 years ago

jvoermans commented 3 years ago

@jerabaul29 For Svalbard deployment, I'll attach a solar panel. The Geo will be running continuously, say at about 150mA, having a battery of 60Ah gives ~16 days of power, the 110Ah battery ~30 days. What do you think? I guess we better take the 110Ah one...

https://shop.gwl.eu/LiFePO4-cells-3-2-V/IFPE110-Lithium-Cell-LiFePO4-3-2V-110Ah.html https://shop.gwl.eu/LiFePO4-cells-3-2-V/LiFePO4-High-Power-Cell-3-2V-60Ah-Alu-case-CE.html

jerabaul29 commented 3 years ago

Sorry, I had somehow missed this.

Which battery cell did you choose?

I think the important thing too is your choice of solar panel. At least the 6W ones (large), maybe even the 9W (colossal). Have you already decided on this point or are you still to order the solar panels?

jerabaul29 commented 3 years ago

@jvoermans the idea is to use the LiFePO4 chargers you had found, right? :)

jvoermans commented 3 years ago

I've ordered the 6W (Adafruit) already for all loggers. The three loggers that are there don't have solar panel, but they have a 100Ah cell in it.

jerabaul29 commented 3 years ago

Ok, sounds good! 6W should still be enough with good margin in March when the sun starts to be really strong in Svalbard anyways :) .