Commit 460db7fa authored by Grace Copplestone's avatar Grace Copplestone

Update README.md

parent 4ab656f0
...@@ -33,10 +33,10 @@ P = IV = 5 * 10^{-3} * 3.3 * 0.05 = 0.825 mW ...@@ -33,10 +33,10 @@ P = IV = 5 * 10^{-3} * 3.3 * 0.05 = 0.825 mW
0.825~mW~for~365~days = 7.2 Wh 0.825~mW~for~365~days = 7.2 Wh
``` ```
```math ```math
E [Wh] = (Q [mAh] * V [V])/1000 E [Wh] = \frac{Q [mAh] * V [V]}{1000}
``` ```
```math ```math
Q = (1000 * 7.2)/3.3 = 2181 mAh Q = \frac{1000 * 7.2}{3.3} = 2181 mAh
``` ```
The CR2477 is one of the largest coin cell batterys (20mm diameter and 4.7mm thickness) and has a capacity of ~1000 mAh. The CR2477 is one of the largest coin cell batterys (20mm diameter and 4.7mm thickness) and has a capacity of ~1000 mAh.
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