Cateye Strada Bike Computer - Changing batteries and setting computer. - YouTube
Battery replacement
Battery For Cateye Ba-625 - Mobile Phone Batteries - AliExpress
CatEye CR2032 Lithium Battery - Joe Bike
Cateye Headlight HL-EL135N Black w/battery - SoCal Bike - Oceanside, Carlsbad and north San Diego county's favorite bike shop, Bicycle and ebike rentals, sales, and service
Brompton Cateye Battery Lamp Set - Clever Cycles
ViZ450
Rare NIB/NOS Cateye HL-700 Battery Head Bike Lamp Made in JAPAN CAT EYE | eBay