Quickly find equivalent coin and button cell battery codes by entering a model number such as CR2032, LR44, AG13, SR626SW, 377, 364, 395, or 389. The tool helps compare voltage, chemistry, size, and common replacement codes for lithium coin cells, alkaline button cells, silver oxide watch batteries, and zinc-air hearing aid batteries.
Frequently Asked Questions (FAQ)
Q1: If I search AG13, why should Main Code show AG13?
Because AG13 is the exact code being searched. Compatible batteries such as LR44, SR44, A76, 357, and 303 should appear under Common Equivalents, not replace the searched code.
Q2: Can I replace LR44 with SR44, 357, or AG13?
LR44, AG13, A76, SR44, 357, and 303 are commonly cross-referenced in the same physical size group, but LR44 is alkaline while SR44 / 357 is silver oxide. Silver oxide is usually better for watches, meters, and precision electronics.
Q3: What is the equivalent of SR626SW?
SR626SW is commonly cross-referenced with 377, 376, AG4, LR626, LR66, V377, D377, GP377, SB-AW, and 280-39. For watches, silver oxide SR626SW / 377 is usually preferred.
Q4: Are CR2032, CR2025, and CR2016 interchangeable?
They have the same 20 mm diameter but different thicknesses. CR2032 is 3.2 mm thick, CR2025 is 2.5 mm, and CR2016 is 1.6 mm. Do not assume they fit the same holder.
Q5: What should I check before replacing a coin or button cell?
Check diameter, thickness, voltage, chemistry, polarity, drain type, discharge profile, device manual, and whether the original battery has tabs or special terminals.
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