AG4 Battery (LR66, LR626, SR626SW, 377)


AG4 Battery (LR66, LR626, SR626SW, 377)


Includes 10 AG4 batteries in a convenient blister pack for storage. These batteries ship free from the United States. Use our batteries to power your small electronics, lights, and toys. With 10 batteries per pack you’ll have extra to keep around.  Don’t get stuck without these batteries when you need them most. Save money off big name brands plus get more!

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Battery Properties
Diameter 6.8 mm
Height 2.6 mm
Voltage ~1.5V (alkaline) / ~1.55V (silver oxide)
Capacity ~18 mAh (alkaline) / ~26 mAh (silver oxide)
Silver oxide batteries can be substituted for any alkaline battery because the size is the same. Using alkaline batteries to substitute silver oxide batteries works most of the time depending on the device. You may experience shorter battery life using alkaline cells in certain cases if the device requires a high voltage to operate.
Alkaline Equivalent Names
Common: AG4, LR66, LR626, 177
Silver Oxide Equivalent Names
Common: SG4, SR626, SR626SW
Citizen: 280-39
Energizer: 377
Duracell: D377
Maxell: SR626SW
Panasonic: SP377
Renata: 37
Seiko: SR/TR41SW, SR/TR41W
Toshiba: MR41
Ultralast: UL377
Varta: V377
Other: BA


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