7mr9. Battery Details Page.

Equivalents:

7LR44, 7MR9, 7MR44, 7NR44, 177A, 1606, 1606A, 1606M, A177, E177, E-177, EN177, EN177A, EN177S, H-7C, PC177A, PC177S, S177, TR-177, TR-177R, TR177R,

Image
not to scale. Common
Name. Dimensions.
Length × Diameter. Chemical Composition. Nominal Voltage.

E177. 48.5 mm × 13.9 mm
Contacts:
Small snaps, 1 either end.
Alkaline,
Silver Oxide (Ag₂O),
(Mercury, now banned).
10.5 volts.
(Mercury were 9.45 volts).

Image not to scale.	Common Name.	Dimensions. Length × Diameter.	Chemical Composition.	Nominal Voltage.
	E177.	48.5 mm × 13.9 mm Contacts: Small snaps, 1 either end.	Alkaline, Silver Oxide (Ag₂O), (Mercury, now banned).	10.5 volts. (Mercury were 9.45 volts).

Back to Equivalents page.