Chopping down 15 centimeters per battery is nothing compared to what they already chop.

Compared to what they are chopping down now 15 centimeters is nothing

Chopping down 15 centimeters is nothing compared to what they already chop down so I'm not too worried about the environment

If they start chopping down tons of trees for this stuff we will all lose oxygen T_T.

That's so cool! I mean a paper battery awesome