G502 lightspeed battery upgrade, new Vs old, 900mah Vs 240mah : r/G502MasterRace
Logitech G502 X LIGHTSPEED Wireless Gaming Mouse, HERO 25K gaming sensor, for PC/Mac- Black | Very Ireland
Amazon.com: Logitech G502 X LIGHTSPEED Wireless mouse with LIGHTFORCE hybrid optical-mechanical switches, HERO 25K gaming sensor, compatible with PC - macOS/Windows - Black : Video Games
Logitech G502 Lightspeed review: a gaming mouse for the ages | PCGamesN