Free Shipping on $50+ Orders
SR521 silver oxide (SR) and alkaline batteries (LR) are commonly used in watches, clocks, timers, calculators, laser pointers, toys, and LED "blinkies". Batteries that meet the IEC 60086-3 standards for watch batteries carry a "W" suffix. The functional differences between silver oxide and alkaline are:
SR521 batteries can be used to replace the following: SR521SW, SR63, SR521, SB-AC/DC, 280-59, JA, V379, D379, 618, GP379, S521E, 379, LR521, AG0, 379A, 379X, AG0, AG-0, 521A, UC379, SR418SW, SB-AC, 379LD, E379. All have dimensions of 5.8 mm diameter 2.15 mm height, and a capacity of 16 mAh.
Batteries.com subscribers get exclusive discounts and promotions at Batteries.com that are ONLY available to subscribers. We will soon be sending out another money saving Batteries.com coupon code and will give away more amazing prizes to our subscribers!
Becoming a Batteries.com subscriber is free.