Varta Silver oxide watch battery V371 / SR920SW 1.55 V
Product information
The Varta V371, internationally known as SR920SW, 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 an optimised capacity of 35 mAh, it ensures maximum accuracy and protects your valuable movement.
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 V371 is a widely used power source for a variety of analogue and digital quartz watches. Its cell chemistry is optimised for low, constant power consumption, which 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 V371 offers decisive advantages. The voltage remains stable throughout almost the entire service life of the battery, which ensures the precision of the device. The high energy density allows for a long runtime in a very small format. Thanks to minimal self-discharge, the battery also has an extremely long shelf life.
Efficiency and safety for your watch 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 V371 cell provide reliable protection against leakage and thus protect the sensitive movement from damage. Trust in tested quality for your valuable devices.
Battery features
| Model | Varta V371 / SR920SW |
| Technology | Silver oxide-zinc (Low Drain) |
| Size | SR920SW / 371 |
| Nominal voltage (V) | 1.55 |
| Capacity (mAh) | approx. 40 |
| Dimensions (Ø x H, mm) | approx. 9.5 x 2.1 |
| Weight (g) | approx. 0.6 |
| Rechargeable | No |
FAQs about the Varta V371 watch battery
What does the designation SR920SW mean?
The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "920" for the dimensions (9.5 mm x 2.1 mm), and the "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 SR69SW?
The Varta 371 corresponds to the internationally standardised IEC designation SR920SW. The designation SR69SW is not standardised. Please check the number on your old battery. If it says 371 or SR920SW, this is the correct and suitable replacement.
What is the difference between a V371 (SR920SW) and a V370 (SR920W)?
Both are high-quality silver oxide batteries of the same size. However, the V371 is the "Low Drain" version specially optimised for the low, constant current needs of simple wristwatches and provides maximum efficiency there. The V370 (SR920W) is designed as a "High Drain" version for devices with higher power consumption (e.g. watches with lighting).
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 to ensure environmentally friendly recycling.
| Capacity: | 0.03Ah |
|---|---|
| Tension: | 1,55V |
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