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battery transplant

With all the smartphones being discarded there could be an opportunity to perform battery transplanting. Many of the smartphones have cracked screens and the battery, (cell), will probably still be usable.

Lithium Ion series cells and 78xx regulators


series result 3.70
series result 7.40
series result 11.10
series result 14.80
series result 18.50

Use LiIon source 7.40 to produce Vreg 5.00 output

Use LiIon source 11.10 to produce Vreg 5.00 output
Use LiIon source 11.10 to produce Vreg 6.00 output
Use LiIon source 11.10 to produce Vreg 8.00 output
Use LiIon source 11.10 to produce Vreg 9.00 output

Computer laptop battery charging

battery charging laptop linux

A recent adventure into investigating the status of laptop batteries took me down the path of GUI to display the charging situation. Here is a graph of the result.

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