Are Li-Po or Li-ion batteries really useless or even dangerous in low temperatures? Selecting the right battery for our project is very important. Today we will focus on which battery works best in low temperatures.

We will test:
- Several battery technologies, rechargeable, and non-rechargeable
- We will compare their behavior at room temperature and at -18
degrees C
- We will check the discharge behavior of all batteries
- We will try to charge the rechargeable batteries at -18 degrees
- We will use small currents, similar to a typical solar-powered Arduino or ESP project
- In the end, we will know if anything exploded during the tests

Links:
Li-Ion: http://s.click.aliexpress.com/e/XFq5Vve
Li-Ion: http://s.click.aliexpress.com/e/gPLLmIy
Li-Ion: https://amzn.to/2TOFqmU
Li-Po: http://s.click.aliexpress.com/e/G0FM6wy
Small Lead-Acid: http://s.click.aliexpress.com/e/bs3efzoU
Big Lead Acid: http://s.click.aliexpress.com/e/byp9Z8QU
LiFePo4: http://s.click.aliexpress.com/e/ccq9MiqG
Lithium-Thionyl-Chloride : http://s.click.aliexpress.com/e/cgMMByAU
Charger: http://s.click.aliexpress.com/e/bWK2V3Li

Supporting Material and Blog Page: http://www.sensorsiot.org
Github: https://www.github.com/sensorsiot

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