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Description

Product information

The Varta V377, internationally known as SR626SW, is one of the most popular premium silver oxide button cells, specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and optimised capacity of 27 mAh, it ensures maximum accuracy and protects your valuable timepiece.

Highlights at a glance

  • Premium quality: High-quality silver oxide technology for watches and precision devices
  • Extremely stable voltage: Constant 1.55 V for maximum accuracy and reliability
  • Long service life: Optimised capacity and minimal self-discharge for years of operation
  • High leakage safety: Maximum protection for your valuable and delicate watch movement
  • Tested quality: Reliable energy from one of the leading manufacturers

Precision energy for high-quality watches

The Varta V377 is a widely used power source for a variety of analogue and digital quartz watches. Its cell chemistry is optimised for a low, constant power consumption, as is typical for movements without additional functions. Its compact size makes it the perfect choice for a wide range of men's and women's watches.

Superior silver oxide technology

Compared to conventional alkaline batteries, the silver oxide technology of the V377 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, ensuring the precision of the device. The high energy density enables a long runtime in a very small format. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.

Efficiency and safety for your movement

Varta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V377 cell offers reliable protection against leakage and thus protects the sensitive movement from damage. Trust tested quality for your valuable devices.
 

Features

 
ModelVarta V377 / SR626SW
TechnologySilver oxide-zinc (Low Drain)
SizeSR626SW / 377
Nominal voltage (V)1.55
Capacity (mAh)approx. 26
Dimensions (Ø x H, mm)approx. 6.8 x 2.6
Weight (g)approx. 0.35
RechargeableNo
 

FAQs about the Varta V377 watch battery

What does the designation SR626SW mean?

The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "626" for the dimensions (6.8 mm x 2.6 mm) and "SW" at the end identifies a "Low Drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.

Is this battery compatible with the designation SR66SW?

The Varta 377 corresponds to the internationally standardised IEC designation SR626SW. The designation SR66SW is not standardised. Please check the number on your old battery. If it shows 377 or SR626SW, this is the correct and suitable replacement.

Can I replace an LR626 alkaline battery with this V377?

Yes, this is possible in almost all cases and represents a clear upgrade. The V377 (SR626SW) offers a longer service life and a more stable voltage, improving the accuracy of your watch. For high-quality watches, it is strongly recommended to use a silver oxide battery such as the V377.

How should this watch battery be disposed of?

Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres for environmentally sound recycling.

Properties
Capacity: 0.024Ah
Tension: 1,55V
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