A starter kit:

Main:
https://www.fasttech.com/products/3032/10011436/1986505
https://www.fasttech.com/products/3006/10008618/1772505
https://www.fasttech.com/product/1738300

Backup:
https://www.fasttech.com/products/3028/10008103/1754904
https://www.fasttech.com/p/1770100
https://www.fasttech.com/products/3027/10005381/1617900
https://www.fasttech.com/products/0/10011166/1670801-authentic-sigelei-variable-wattage-kick-module