If you are unsure that you need a 391 and/or 381 battery and need to find the equivalent of that size, simply check out our Watch Size Battery Guide.

Do not leave the cheaper button batteries in watches or any other electronic equipment for any length time unless you are using them on a daily basis. We don’t share your credit card details with third-party sellers, and we don’t sell your information to others. Be sure to check back frequently as we are constantly adding new batteries to our lineup of high quality products. Smooth discharge curve, high capacity, long storage time, be applicable to wide-range temperature and excellent leakage resistance. This battery contains advanced technical components and has been tested according to strict CE safety standards.If there is any doubt contact us first and we can advise if this is a suitable replacement for your device.

Coin cell batteries are perfect for household electronics, including your garage door remote, glucometer, camera, calculator, car key fob, and more. REPLACEMENT BATTERIES: This backup battery is great for household uses, industrial tools, and many more applications. SR1130W, SR54, SR1130, SB-BU, 280-15, M, V389, D389, 626, S1131E, GP389, AG10, AG-10, 389, 189, L1131, G10, V10GA, LR1130, GP189, LR54, SG10, A389, L1131, RW89.

mm batteries are no longer in use - they were labeled as AC41E, PR43, or 7001Z and were used as hearing aid batteries. LR43 can be utilized in many devices such as watches, electronic toys, remote controls, and calculators. SR1130W, SR54, SR1130, SB-BU, 280-15, M, V389, D389, 626, S1131E, GP389, AG10, AG-10, 389, 189, L1131, G10, V10GA, LR1130, GP189, SG10, A389, L1131, RW89.