Logitech partners with iFixit for self repairs | Official spare parts, batteries, and repair guides for select Logitech hardware will be available through iFixit starting 'this summer.' : r/UpliftingNews
Replacement Spare Parts Shell/Cable/Weight block for Logitech G502 RGB Mouse TR | eBay
Logitech G Powerplay Wireless Charging System for G502 Lightspeed, G703, G903 Lightspeed and PRO Wireless Gaming Mice, Cloth or Hard Gaming Mouse Pad - Black - Newegg.com