377 Battery voltage. 377 battery voltage

7 battery voltage

BATTERY SLVR OX 1.55V COIN 6.8MM

SR626SW battery is a non-rechargeable silver-oxide button/coin 6.8 x 2.6 mm cell with sodium hydroxide electrolyte and it complies with the IEC 60086-3 watch batteries standard. This article is going to introduce datasheet pdf, equivalent, specifications about SR626SW.

Wrists watch battery [email protected] /SR626SW Batteries /Energizer 377/376/Wristwatch batteries

What is SR626SW?

SR626SW battery is a 6.8 x 2.6 mm silver-oxide battery with sodium hydroxide electrolyte which complies with the IEC 60086-3 watch batteries standard. SR626SW non-rechargeable button-coin cell batteries are commonly used in watches, micro LED flashlights, remote controls, cameras, calculators, and many other electronic devices.

Specifications

Seiko Instruments SR626SW technical specifications, attributes, parameters and parts with similar specifications to Seiko Instruments SR626SW.

Part Status Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

Battery Chemistry A battery is a device that stores chemical energy, and converts it to electricity. This is known as electrochemistry and the system that underpins a battery is called an electrochemical cell. A battery can be made up of one or several (like in Volta’s original pile) electrochemical cells.

Battery Cell Size The most common lithium-ion cell is the 18650 (the numbers define the physical dimensions and shape as follows: 18mm in diameter, 65mm long and the 0 means it has a round cross-section) which is due to its widespread use in laptop battery packs.

RoHS Status RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

Silver- Oxide 6.8 x 2.6 mm batteries

Alkaline 6.8 x 2.6 mm batteries are less expensive than silver oxide batteries. and they have a shelf life of 2-3 years, a nominal voltage of 1.50 volts, a cutoff voltage of 0.8-1.0 volts, and a capacity of 12-18 mAh.

The following table compares the most popular silver oxide 6.8 x 2.6 mm batteries. along with their key characteristics and specs.

SR626SW Battery Equivalent

377 Battery, SR66, SR626, SB-AW, 280-39, BA, V377, D377, 606, S626E, GP377, AG4, AG-4, 377, L626, SG4, LR626, LR66. SR628SW, E377, E377CA, LR626SW, 377A, SR262SW, 377X, 377S, GP177, SR6265W, 377/376, E377A, SR66SW, SR625SW, 377BA, CR626SW, AG4/377, AG04

LR626 vs. SR626 Batteries

The following SR626SW watch battery replacement chart compares and illustrates alkaline and silver-oxide 6.8 x 2.6 mm coin-cell batteries :

As one can see, LR626/SR626 batteries are available in two different chemistries:

Alkaline LR66 /LR626 batteries have a nominal value of 1.5 volts, which reduces to 1.0 volts quite quickly over time.

When utilizing alkaline AG4/LR66/LR626 batteries. sensitive electronics may have problems running at such low voltages and may have reliability concerns.

Furthermore, as compared to silver-oxide batteries, their capacity is 30 percent lower when drained down to 1.0 volts and up to 50 percent lower when drained down to 1.2 volts.

The nominal voltage of silver-oxide SR626SW batteries is 1.55 volts, and it remains rather stable when the battery is discharged. Furthermore, these batteries have a higher capacity, allowing for a significantly longer operation duration for several devices with just one battery replacement.

Note that some silver oxide SR626 batteries are designed as high-drain batteries and are more suitable for digital watches and similar electronic devices, while other SR626 batteries are designed as low-drain batteries and are more suitable for analog watches, digital watches without alarms and LEDs, thermometers, and similar.

Safety Concerns with SR626SW/LR66 Batteries

Small and shiny, SR626SW and similar button/coin-cell batteries can easily draw the attention of children and pets. As a result, smaller button/coin-cell batteries are available in pet and child-safe packaging.

If the SR626SW or a similar battery is ingested, chemical burns can result from the electrolytic process, which occurs when bodily fluid short-circuit the battery,

So, if an SR626SW or similar battery is swallowed, go to the nearest emergency room or veterinarian, explain what happened, and follow their advice.

SR626SW Dimensions

SR626SW Dimensions

SR626SW Manufacturer

Seiko Instruments Inc. (SII) was established in 1937 as a key watch manufacturing company for the Seiko Group. Based on its sophisticated micro mechatronics and nanotechnology techniques developed through decades of experience in precision machinery manufacturing and low-power consumption technologies, the company provides micromechatronic products and services including watch and HDD components; semiconductors, FPD and electronic devices; network solutions systems; nanotechnology equipment; scientific instruments; and large-format inkjet printers.

Datasheet PDF

Is Energizer 377 the same as SR626SW?

The Energizer 377/376 is a multi-drain 1.55 Volt silver oxide button cell battery. Primarily used as watch batteries, 377 376 replaces SR626W and SR626SW batteries. Outstanding performance and reliability combined with a great price make this Energizer 377 button battery a great buy and 100% guaranteed.

Is SR626 the same as SR626SW?

Silver-oxide SR626/SR626SW batteries have a nominal voltage of 1.55 volts and it is rather constant over time as the battery is drained.

What battery is equivalent to SR626?

377 Battery is a direct replacement for SR626SW, SR66, SR626, SB-AW, 280-39, BA, V377, D377, 606, S626E, GP377, AG4, AG-4, 377, L626, SG4, LR626, LR66, SR628SW, E377, E377CA, LR626SW, 377A, SR262SW, 377X, 377S, GP177, SR6265W, 377/376, E377A, SR66SW, SR625SW, 377BA, CR626SW, AG4/377, AG04 batteries.

Are 626 and 377 batteries equivalent?

If the 626 battery is a silver-oxide battery, then yes, 626 and 377 batteries are more or less compatible batteries. We say more or less since these batteries may differ in a few other important details as well.

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Product Description

150pcs Murata 377 SR626SW 1.55Volt Silver Oxide Watch Battery Sealed

PRODUCT DESCRIPTION

Murata offers a wide scope of miniaturized scale batteries with superior and unwavering quality, exploiting 40 year’s innovation advancement and assembling skill. Through proposals for joint applications with Murata’s different electronic parts and modules, we expect to add to facilitate advancement in the fields of ready, clinical, and gadgets. Suggest for car and open air gadgets utilizing warmth safe battery building plan and usage advancements. Brilliant high-current release execution to help Low Power Wide Area information transmission. These batteries include huge limit and stable voltage, empowering them to be utilized in a wide scope of utilization’s, for example, clinical hardware and accuracy instruments.

Murata’s catch batteries have better enemy of spillage execution thanks than its exceptional fixing material and innovation. Our protected was designed as an interesting fixing answer for keep up pneumatic stress inside the battery. Enhancement of the gasket shape brings about the decrease of spillage dangers during long-term storage.

BULLETED DESCRIPTION

• Outstanding Temperature Characteristics.
• High Voltage and High Energy Density.
• 2-3 Year Shelf Life.
• Murata battery is fresh from the manufacturer and you won’t find a fresher battery.
• Mercury-free formula.

Specifications:

Watches, Clocks, Calculators, Cameras, Hearing aids, Flashlights, Remote controls, Toys, Electronic games, Sugar Level Detectors, Blood Pressure Instrument, Children Books and many other electronic products

Equivalents:

SR626SW, SR626, LR626, L626, S626E, SR66, LR66, V377, D377, GP377, 377, 377A, G4A, G4, SG4, 376, 606, 565, 177, GP77.

AG4, LR626, LR66, 177/376/377, SR626, SR626SW Battery Equivalents

AG4, LR626, LR66, 177/376/377, SR626, and SR626SW batteries are very popular non-rechargeable button/coin cell batteries, available in several chemistries and manufactured by practically all battery brands.

These batteries are commonly found in wrist watches, calculators, and similar small electronic devices requiring a reliable power source.

Updated: September 23, 2022.

SR626SW, LR626, 377, AG4 Battery Features and Specifications

SR626SW/LR626 batteries feature a physical dimensions of (DxH) of 2.6 x 6.8 mm (~0.1023 x 0.2677 inches).

According to the IEC standard, and depending on their chemistry, these batteries should be labeled LR626 (alkaline) or SR626 (silver-oxide) batteries, and according to the ANSI standard, 1176SO batteries.

Sometimes shorter, two-digit code is used: LR66 for alkaline and SR66 for silver-oxide batteries.

Many manufacturers use their own labels for these batteries, but they also tend to add IEC and other standard codes, including short descriptions about the chemistry, nominal voltage, battery equivalents, and similar.

LR626 (alkaline) or SR626 (silver-oxide) capacities depend on the chemistry, but also on the cut-off voltage of the used device. alkaline batteries’ voltage quickly drops, making them not so suitable for electronic devices like wrist watches and similar.

Since these batteries are rather small, so is their price per individual battery. In short, if you need LR626/SR626 wrist watch battery, go for an SR626 or SR626SW battery.

Modern 376 and 377 are suitable as wrist watch batteries since they feature stable output voltage. However, 376 batteries feature better high-drain current tolerance, while 377 batteries feature a lower self-discharge rate.

To prevent confusion and thanks to modern chemistry and battery technology, some manufacturers offer multi-drain 376/377 batteries (compatible with SR626SW batteries, of course) that feature good tolerance to high-drain pulse currents and low self-discharge rate.

LR626 vs. SR626 Batteries Comparison Chart

Comparison and examples of alkaline and silver-oxide 6.8 x 2.6 mm coin-cell batteries are given in the following SR626SW watch battery replacement chart:

Chemistry	Alkaline	Silver-Oxide
Nominal Voltage	1.5V	1.55V
End-Point Voltage	1.0V	1.2V
Notes	Voltage drops over time	Very constant voltage
Typical Labels	LR66, LR626, AG4	177, 376, 377, AG4, SG4, SR66, SR626, SR626SW
Typical Capacity	15-17 mAh	25-27 mAh

As one can see, LR626/SR626 batteries are available in two different chemistries:

Since sensitive electronics might have issues operating at such low voltage and may have issues with reliability when using alkaline AG4/LR66/LR626 batteries.

Also, their capacity when drained down to 1.0 volts is lower when compared with silver-oxide batteries by some 30% and up to 50% lower when drained down to 1.2 volts.

Note that some silver oxide SR626 batteries are designed as high-drain batteries and are more suitable for digital watches and similar electronic devices, while other SR626 batteries are designed as low-drain batteries and are more suitable for analog watches, digital watches without alarms and LEDs, thermometers, and similar.

But, most manufacturers today offer so-called multi-drain 376/377 (SR626SW) batteries, suitable for both digital and analog watches, toys, thermometers, keychain LED flashlights, and similar devices.

SR626SW, 377, 376 Batteries Comparison Chart

The following cross-reference chart lists some of the most popular SR626, 377, and 376 battery models, with their most important features and specifications:

Nominal and Cutoff Voltages

Discharge Current

Operating Temperature

Annual Self-Discharge Rate

24 mAh, 47kΩ down to 1.2V @20°C