I broke up with neovim....vim is my best friend now

dot_vim/plugged/vim-airline/autoload/airline/extensions/battery.vim

@@ -0,0 +1,23 @@
+" MIT License. Copyright (c) 2014-2021 Mathias Andersson et al.
+" Plugin: https://github.com/lambdalisue/battery.vim
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+if !exists('g:loaded_battery')
+  finish
+endif
+
+function! airline#extensions#battery#status(...) abort
+  if !exists('g:battery#update_statusline')
+    let g:battery#update_statusline = 1
+    call battery#update()
+  endif
+
+  let bat = battery#component()
+  return bat
+endfunction
+
+function! airline#extensions#battery#init(ext) abort
+  call airline#parts#define_function('battery', 'airline#extensions#battery#status')
+endfunction