https://claytonecramer.blogspot.com/2018/06/lr-1330-watch-battery-where.html
Clayton Cramer.: LR 1330 Watch Battery: Where? (LR1130)
I need some of these as spares for the new finder on Big Bertha. Celestron thinks these are available at drug stores like Walgreen's. Nope...
clayton cramerwatch batterylr
https://ec2-44-198-217-68.compute-1.amazonaws.com/tienda/pack-de-10-pzas-pila-alcalina-tipo-boton-389a-ag10-lr1130/
Pack de 10 Pzas Pila Alcalina Tipo Boton 389a AG10 LR1130 - Rantec Electronics
Apr 23, 2026 - Pack de 10 Pzas Pila Alcalina Tipo Boton 389a AG10 LR1130