Battery Equivalents to SR626SW

As a battery expert, I understand the importance of finding the perfect battery replacement for your device. The SR626SW is a widely used button cell battery commonly found in watches, small electronic devices, and even some medical equipment.

In this comprehensive guide, we will delve into the world of SR626SW battery equivalents, discuss their advantages and disadvantages, and help you find the best alternative for your needs.

Understanding the SR626SW Battery

SR626SW specBefore diving into the world of battery equivalents, it is crucial to understand the specifications of the SR626SW battery. The SR626SW is a silver oxide (Ag2O) battery with the following characteristics:

  • Nominal voltage: 1.55V
  • Nominal capacity: 25-30 mAh
  • Diameter: 6.8mm
  • Height: 2.6mm

These specifications make the SR626SW an ideal choice for devices that require a stable voltage, low self-discharge rate, and a compact size.

SR626SW Battery Equivalents

When looking for an equivalent to the SR626SW battery, it is essential to find a battery that matches its specifications. Here are some popular SR626SW battery equivalents:

  1. Energizer 377 / 376

The Energizer 377/376 is a silver oxide battery that shares the same physical dimensions as the SR626SW, making it an ideal replacement. With a 1.55V nominal voltage and a capacity of approximately 28 mAh, the Energizer 377/376 offers a reliable and long-lasting performance.

  1. Duracell D377 / D376

Another suitable SR626SW equivalent, the Duracell D377/D376, is also a silver oxide battery. With a nominal voltage of 1.55V and a capacity of around 28 mAh, this battery is known for its consistency and long shelf life.

  1. Maxell SR626SW

Maxell offers its own version of the SR626SW, which shares identical specifications with the original battery. This silver oxide battery has a 1.55V nominal voltage and a capacity of approximately 27 mAh, making it a reliable choice for your devices.

  1. Renata 377

Renata is a Swiss battery manufacturer known for its high-quality products. The Renata 377 is a silver oxide battery that offers the same specifications as the SR626SW. With a nominal voltage of 1.55V and a capacity of 28 mAh, this battery is an excellent alternative for those looking for a premium option.

III. Alkaline Battery Alternatives

While silver oxide batteries are the best match for the SR626SW, alkaline batteries can be a more affordable option. However, they typically have a lower capacity and shorter shelf life. Some alkaline battery alternatives include:

  1. LR626 / AG4

The LR626, also known as AG4, is an alkaline battery with a nominal voltage of 1.5V. It has a slightly lower capacity compared to the SR626SW (15-20 mAh), which may result in a shorter lifespan. Nonetheless, this battery can be used in devices that are less demanding in terms of power requirements.

  1. LR66 / AG4

Another alkaline battery equivalent, the LR66/AG4, has a nominal voltage of 1.5V and a capacity of approximately 18-22 mAh. While it may not last as long as a silver oxide battery, it can be an affordable alternative for devices with low power consumption.

SR626SW Battery Alternative Table

ModelTypeSize (Diameter x Height)VoltageCapacity (mAh)Additional Information
Energizer 377 / 376Silver Oxide6.8mm x 2.6mm1.55V28Reliable and long-lasting performance
Duracell D377 / D376Silver Oxide6.8mm x 2.6mm1.55V28Consistent performance and long shelf life
Maxell SR626SWSilver Oxide6.8mm x 2.6mm1.55V27Reliable choice for various devices
Renata 377Silver Oxide6.8mm x 2.6mm1.55V28Premium option from Swiss manufacturer
LR626 / AG4Alkaline6.8mm x 2.6mm1.5V15-20Affordable option, shorter lifespan
LR66 / AG4Alkaline6.8mm x 2.6mm1.5V18-22Affordable alternative for low power consumption devices

How to Change a SR626SW Battery in a Watch