The SR626SW battery is non-rechargeable, comes with sodium hydroxide electrolyte, and has dimensions of 6.8 x 2.6 mm. Button cells can be seen in different toys and other small electronic devices. In this tutorial, we will cover details for the SR626SW battery and related factors. Let’s get started. What is the SR626SW battery?
What is the SR626SW Battery?
- SR626SW is a button cell battery that comes with silver oxide chemistry, and the dimensions are 2.6 mm in length and 6.8 mm in diameter.
- It is a non-rechargeable battery with a working voltage of 1.55 volts, but it provides steady operation during its shelf life.
- Its main features are stable voltage at output terminals, making it suitable for watches and compact devices.
- The capacity of the battery is 25to 27 mAh, so it provides power to different devices for a longer time than other replacements.
- SW in the battery name shows silver oxide, which means it supports the IEC 60086-3 standard for watch batteries.
- Its other feature is a longer working life than other alkaline batteries.
SR626SW stands for
- By using battery names, we can get an idea about chemistry and size. SR626SW is set according to the International Electrotechnical Commission (IEC). so it stands for
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SR626SW Battery Technical Features
Chemistry
- The SR626SW battery comes with silver oxide chemistry, and the nominal voltage is 1.55 volts. Its main feature is voltage stability as working life continues. So it was used in watches and medical tools where constant voltage was needed.
Capacity
- The capacity for the battery is 25 to 27 mAh, so the working life is about five to seven years or higher. Its capacity helps to get longer runtime in low-drain devices.
- Its self-discharge rate is 2 percent, so it can be stored for a longer time as a backup.
Dimension
- The SR626SW battery dimensions are 6.8 mm in diameter and 2.6 mm in height, and the weight is 0.39–0.40 g.
Operating Temperature
- The SR626SW battery works in working conditions in the range of −10°C to +60°C, so it works in different conditions. The standard discharge current is ~40 µA under a 24 kΩ load at 23°C. The new cell has an inner resistance (≤ 8 Ω) that helps to get stable working in low- and moderate-drain applications.
Applications
- It is used as multi-drain cells and is compatible with high-drain and low-drain applications. These features make them a replacement for 377 batteries and also 376 batteries.
| Feature | SR626SW Battery features |
| Dimensions | 2.6 mm (diameter) x 6.8 mm (height) |
| Voltage | 1.55 volts |
| Advantages | Longer lifespan compared to alkaline batteries; widely available |
| Operating Temperature Range | -10°C to +60°C |
| Shelf Life | Up to 3 years |
| Rechargeable | No |
| Capacity | 25-27 mAh |
| Chemistry | Silver oxide |
| Discharge Characteristics | Stable voltage output |
| Common Uses | Analog and digital watches, hearing aids, calculators, |
| Equivalent Designations | 377, LR626, AG4, SR66, 1120 |
SR626SW Battery Equivalent
- The SR626SW battery is commonly part of different electronic devices and used as a silver oxide battery that is used for small devices and watches. Its main equivalents are
377:
- This battery is a commonly used equivalent and is normally seen as a replacement for SR626SW.
SR66:
- It is used in the same applications since it has direct equivalent features.
AG4 / LR626:
- An alkaline battery batterythat also used as a replacement comes with different discharge features than silver-oxide batteries.
D377 / D376:
- Their manufacturers are Duracell, and they are compatible with different devices for SR626SW.
Features of equivalent batteries of SR626SW batteries are
| Battery Type | Dimensions (mm) | Voltage (V) | Chemistry |
| SR626SW | 6.8 x 2.6 | 1.55 | Silver Oxide |
| D377/D376 | 6.8 x 2.6 | 1.55 | Silver Oxide |
| 377 | 6.8 x 2.6 | 1.55 | Silver Oxide |
| AG4 | 6.8 x 2.6 | 1.5 | Alkaline |
| LR626 | 6.8 x 2.6 | 1.5 | Alkaline |
SR626SW, LR66, LR626, 377, and AG4 Batteries Comparsion
| Batteries | IEC Standard | codes | Chemistry | Voltage | Capacity |
SR626SW | SR66 | 377, SB-AW, SG4 | Silver Oxide | 1.55V | Higher |
| 377 | SR66 | SR626SW, SG4 | Silver Oxide | 1.55V | Higher |
| 376 | SR66 | SR626W, SG4, 377 | Silver Oxide | 1.55V | Higher |
| LR626 | LR66 | AG4, 177 | Alkaline | 1.5V | Lower |
| LR66 | LR66 | AG4, LR626 | Alkaline | 1.5V | Lower |
| AG4 | LR66 | LR626, 177 | Alkaline | 1.5V | Lower |
| 177 | LR66 | AG4, LR626 | Alkaline | 1.5V | Lower |
SR626SW Battery vs LR626 Battery
| Spec | SR626SW | LR626 | Details |
| Chemistry | Silver Oxide (Ag₂O) | Alkaline Manganese | Different chemistry |
| Nominal Voltage | 1.55 V | 1.5 V | same at start, but SR626SW holds voltage steady |
| Leakage Resistance | High | Moderate | Alkaline is causes leakage |
| Dimensions | 6.8 mm × 2.6 mm | 6.8 mm × 2.6 mm | same |
| standard | IEC 60086-3 “Watch Standard” | General-purpose | SR626SW is designed for precision timekeeping |
| Voltage | Stable until ~1.2 V cutoff | Declines steadily to ~1.0 V | Silver oxide causes consistent performance |
| Capacity | 25–27 mAh | 15–17 mAh | SR626SW work 30–50% longer |
| Operating Temp. | –10°C to +60°C | –10°C to +55°C | similar range |
| Shelf Life | 5–7 years | 2 to 3 years | Silver oxide has good storage stability |
SR626SW and SR621SW Batteries
| Feature | SR626SW Battery | |
| Dimensions | 2.6 mm (diameter) x 6.8 mm (height) | 2.1 mm (diameter) x 6.5 mm (height) |
| Equivalent Designations | LR626, 377, AG4 | LR621, 364, AG1 |
| Weight | Heavier | Lighter |
| Shelf Life | Up to 3 years | Up to 3 years |
| Operating Temperature Range | -10°C to +60°C | -10°C to +60°C |
| Voltage | 1.55 volts | 1.55 volts |
| Capacity | 25-27 mAh | 30 mAh |
| Chemistry | Silver oxide | Silver oxide |
| Discharge Characteristics | Stable voltage | Stable voltage output |
| Uses | analog and digital watches; | hearing aids, and smaller watches |
SR626SW Battery vs CR Batteries
- SR626SW batteries and CR batteries come with their own features and uses. The SR626SW battery is a silver oxide battery that has 1.55 volts, and CR batteries are lithium batteries with a voltage of 3 volts used for high-energy needs. Their comparison was made according to their features.
Read moreCR2032 battery equivalent: Features, Types, DImensions
| Feature | SR626SW | CR Batteries |
| Battery Type | Silver Oxide | Lithium ) |
| Voltage | 1.55V | 3.0V |
| Rechargeable | No | No |
| Best For | Precision low-drain devices | High-drain or long-lasting needs |
| Chemistry | Silver Oxide | Lithium Manganese Dioxide |
| Interchangeable | No | No |
| Safety | Low risk | Can be dangerous if swallowed |
| Voltage Stability | stable over time | Stable, but high initial voltage |
| Common Use | Watches, calculators, small electronics | remotes, medical devices, Key fobs, cameras |
| Size | 6.8 mm diameter × 2.6 mm height | different, CR2032 are 20 mm × 3.2 mm |
| Capacity | 25–27 mAh | 200–240 mAh CR2032) |
Temperature Range | Works at room temp | well in wide temperature ranges |
| Shelf Life | 3–5 years | 8–10 years |
SR626SW Battery vs Energizer 377/376 Battery
Read also 377 Battery Equivalent, Voltage, Size, Life & Uses
| Feature | SR626SW | Energizer 377/376 |
Size (Diameter x Height) | 6.8 mm x 2.6 mm | 6.8 mm x 2.6 mm |
Battery Chemistry | Silver Oxide | Silver Oxide |
| Voltage | 1.55V | 1.55V |
| Use | Watches, calculators, small electronics | medical devices, small electronics |
Replacement | 377, AG4, LR626, S626E, SR66 | 377, 376 |
| Capacit | 25–30 mAh | 28–30 mAh |
Voltage Stability | Good | Excellent |
Shelf Life | 3–4 years | Up to 5 years |
Operating Temperature Range | -10°C to +60°C | -10°C to +60°C |
| Drain | Low Drain | Dual Drain |
Brand Variability | Different manufacturers, quality may vary | Consistent quality from Energizer |
Leak Resistance | Standard | High |
Mercury-Free | Yes | Yes |
Eco-Friendliness | Mercury-free, | Mercury-free, RoHS compliant |
| Price | lower | higher |
Availability | available, | Widely available, |
Best For | low-drain devices | Devices with low or moderate power needs |
Is 377 Battery equivalent SR626SW?
Physical Dimensions:
- Both batteries come with dimensions of 6.8 mm in diameter and 2.6 mm in height and support different devices.
Voltage:
- • The voltage for these two is 1.55 volts, which is standard for silver oxide batteries like those in small electronics and watches.
Compatible features
- 377 is equivalent to SR626SW, which means it can be replaced with different devices like watches and medical devices.
- These two are non-rechargeable silver oxides and part of low-drain devices.
SR626SW Battery Advantages
Energy Density:
- The SR626SW battery comes with high power in a small size. that helps devices to work longer
Compact Size:
- Its dimensions are compact, and confined space work is done well.
Higher Capacity:
- Its capacity is higher compared to alkaline batteries, which work longer.
Consistent Performance:
- According to the SR626SW battery datasheet, it works well for devices where constant changes are needed.
Low Internal Resistance:
- Its low internal features make it work well where high power is needed.
Stable Voltage Output:
- It holds a steady voltage for working life and increases working life.
Long Shelf Life:
- Its working life range is 3 to 5 years.
Temperature Range:
- It works well in different temperature conditions.
Low Self-Discharge Rate
- If in storage, this battery remains charged for a longer time.
Applications:
- It is used for different applications like hearing aids, watches, etc.
Environmentally Friendly:
- Silver oxide battery: environmentally friendly chemistry since it has no mercury or hazardous materials
Wide Availability:
- It can be bought from different online stores and shops.
SR626SW Battery Applications
The SR626SW battery’s common uses are
- It is used in watches that provide a longer working life in quartz watches.
- Medical devices like glucometers and hearing aids use this battery.
- It is used for giving power to low-energy devices like calculators.
- It is used for small devices and toys that are battery-operated.
- Remote controls, like TVs, and other devices operated with this battery.
- Trackers also employed SR626SW batteries.
- Cameras use this battery, such as light meters.
- Key fobs and circuits use this battery, and remotes control the keyless system of cars.
- LED flashlights and portable lights also use these batteries.
- Different security systems, like sensors and surveillance cameras, use this battery.
- digital thermometers that are used for medical employees’ batteries.
- Digital clocks, pedometers, and other devices use this battery.
Conclusion
Read also CR2430 Battery Equivalent: Features, Types, Dimensions, & Uses
The SR626SW battery is small in size with dimensions of 6.8 × 2.6 mm, silver oxide, and part of different devices like watches, calculators, thermometers, and other compact devices. Its equivalents are LR626, AG4, 377, 376, SR66, etc.
Frequently Asked Questions (FAQs)
What are the uses of the SR626SW battery?
- SR626SW battery used in medical devices, watches, thermometers, toys, and small devices, where compact dimensions are needed
Is the SR626SW battery like the 377?
- The SR626SW and 377 batteries are silver oxide cells. Both are 6.8 × 2.6 mm in dimension, and the chemistry is silver-oxide battery, and their nominal voltage is 1.55 V.
Are 376 and 377 batteries the same?
- 376 and 377 are silver oxide batteries with the same size and are used to provide different power requirements. 376 is used for high-drain devices where high power is needed, and and377 is for low-drain device applications such as watches.
What is the SR626SW battery’s working life?
- The SR626SW battery’s working life is 1 to 3 years, according to the application. In watchwork for 2 years
Do LR626 and SR626 batteries work to be used?
- LR626 and SR626 batteries are safe to connect, but not safe for kids to swallow.
What does a 626 battery mean?
- 626 battery numbers show button cell batteries, used for LR626 and SR626SW batteries, that are part of watches, calculators, and remote controls.
- 626 shows dimensions of 6.8 mm and a height of 2.6 mm. Sr shows silver oxide.
Can a 377 battery be replaced with a 626?
- Battery 377 can be replaced with an SR626SW battery. since they are the same dimensions and use silver oxide chemistry
Can a 364 battery be replaced with a 377 battery?
- No, both have different dimensions, so they are not used as replacements.
Can SR626SW batteries be recharged?
- No, it is a non-rechargeable battery; if we attempt to charge it, it can cause damage to the battery and devices.
Why do some SR626SW batteries stop working early?
- If you connect a battery to a device where high power is needed, it can remove battery capacity early on. If you use an older battery and do not store it in proper conditions, it will cause early discharge.
What temperature is best for storing SR626SW batteries?
- The SR626SW battery is stored in dry conditions; also, the normal cool temperature range is 10°C and 25°C (50°F to 77°F).
- not store in hot conditions or humid areas, that can affect working life
Do SR626SW batteries cause leaks with the passage of time?
- If you have a quality SR6262SW battery, it will not leak, like silver oxide. but if it is in devices after draining many times, it causes leaks and affects devices.
- It is best to disconnect batteries if not using them for a long time.
Can we replace an SR626SW battery with an LR626?
- Both have the same dimensions, so they can be replaced, but the LR626 is an alkaline battery with a short life, low stable voltage, and high leakage.
- Watches and devices where high accuracy is needed: SR626SW is strongly recommended.
Are SR626SW batteries rechargeable?
- no is a primary silver oxide cell that is non-rechargeable; if you try to charge it, it will cause leakage
