iPod 4th Gen Battery Replacement/Repair

How to replace Apple iPod touch 4th gen.

Parts:
Etrade Parts & Screen: http://www.etradesupply.com/apple/ipod/apple-ipod-touch-gen-4.html?acc=f4b9ec30ad9f68f89b29639786cb62ef
Amazon Screen: http://amzn.to/1UaI4NG
Amazon Parts: http://amzn.to/1nxrhtC
Amazon Battery: http://amzn.to/1UaIeEM
ebay Screen: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=9&pub=5575111379&toolid=10001&campid=5337765660&customid=&icep_uq=ipod+4th+generation+lcd&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
ebay Parts: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=9&pub=5575111379&toolid=10001&campid=5337765660&customid=&icep_uq=ipod+touch+4th+generation+parts&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
ebay Battery: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=9&pub=5575111379&toolid=10001&campid=5337765660&customid=&icep_uq=ipod+touch+4th+generation+battery&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

-TOOLS Etrade Supply
Metal Spudger: http://goo.gl/TMDd5T
Basic: http://goo.gl/MR3HFV
All Tools: http://goo.gl/5Y0eZt

-Tools Amazon
Heatgun: http://amzn.to/1kUtNsE
Screwdriver: http://amzn.to/1KjJ8Ja
Spudger\Opening tools: http://amzn.to/1KjKh3q
Tape: http://amzn.to/1LjAJd6

-Tools ebay
Screwdriver: http://goo.gl/odpWej
Spudger\Opening tools: http://goo.gl/ysLka6
VHB Tape: http://goo.gl/fQcSo9
Double sided Tape: http://goo.gl/uyKrL3

I buy parts and tools from ebay, amazon and etradesupply.
Buying from the link below I get a small commission.
http://www.etradesupply.com/?acc=f4b9ec30ad9f68f89b29639786cb62ef