What battery does a Minolta XD-11 use?

1.35V Mercury Oxide batteries are now banned. These batteries were popular in cameras as they held a constant 1.35V while discharging which was good for accurate light meter readings in older cameras of the 1950s and 1960s.

Newer cameras like your XD-11 have “bridge circuits” that do not need a specific voltage to maintain accurate light meter readings. The user manual for the XD-11 specified S76 1.5V “Siver Oxide” batteries but these can be difficult to find.

1.5V LR44 lithium batteries are most often used as replacements because they are the same size and voltage. The Minolta XD-11 uses two of these batteries to produce 3 volts.

Here is a full list of comparable S76 replacement batteries:

G13, AG13, LR44, L1154, LR1154, 357, SR44, A76, SG13, 303, 303-1, V303, D303, SP303, V303, 357, D357, V357, GS14, SR44W, SR44SW, MS76, GP76, V76HS, WS16, 280-08, A, SB-A9, S1154, SR1154, SR47, S76E, S06, 1130SO, G13A, RPX675, D76A, V13GA, PX76A, PX675A, GPA76, 1128MP, 1166A

Another battery which some people use is a single 1/3N which is 3V and the same size as two LR44 batteries. These are also called 2L76, CR1/3N, and CR11108.