what is equal to an ag4 wtch battery
AG4, LR626 and LR66 are alkaline metal button batteries with identical dimensions and specs. They are a very common push bombardment used for consumer electronics and are not rechargeable. The silver oxide equivalent is the SR626SW and SR626. Nearly typical use of an AG4 bombardment is as a wrist watch replacement battery. In this article we volition discuss the many different chemistries that this battery is available in including alkaline, Zinc air and silver oxide.
Alkaline AG4 Battery Equivalents and Specifications
- Equivalents: AG4, LR626, LR66, L626
- Type: Alkaline
- Diameter: 6.8 mm
- Thickness: 2.6 mm
- Capacity: 18mAh
- Voltage: i.v volts
- Weight: 0.3-0.v grams
AG4 batteries have a chemistry that is alkaline and should not be used as a sentinel bombardment replacement or a hearing aid battery replacement. The element of group i AG4 will non accept enough capacity or continuous voltage to ability these devices. An alkaline batteries voltage will slowly drib over fourth dimension. Information technology is imperative that the correct chemistry battery is used for the right awarding.
Silvery Oxide SR626SW Battery Due east quivalents and Specifications
- Equivalents: SR626, SR626SW, SR626W, SR66, SR66SW, SR628SW, SR6265W, SR66SW, SR625SW, CR626SW, 1176SO, 177, 376, 377, 377A, 377X, 377BA, E377, E377A, E377CA, , 377S, V377, D377, 280-39, 626, 606, 626A, A1398
- Type: Silver Oxide
- Diameter: vi.8 mm
- Thickness: two.half-dozen mm
- Chapters: 26mAh – 32mAh
- Voltage: 1.55 volts
- Weight: 0.six-0.seven grams
SR626SW batteries and their equivalents are used to power modern wristwatches. They tin can be used as a replacement for the AG4 alkaline battery but doing so is non cost effective. The silver oxide version is preferable for keeping fourth dimension in clocks and watches as the continuous voltage of 1.55V is maintained throughout the life of the battery. A silver oxide battery will maintain voltage over time whereas the alkali metal bombardment voltage will lower over time and non maintain ane.55V.
AG4 Battery Data
Batteries starting with the SR designation are of silverish-oxide chemical science (SR626, SR66, SR626SW etc). If the battery starts with AG or LR designation then it is an element of group i composition. This dominion doesn't always hold true every bit many manufacturers designate their ain labels. Batteries ending with the digit 'W' are in compliance with IEC 60086-3 watch batteries standard. Manufacturers will label their batteries with a Due west to indicate they are for lookout usage (argent oxide). Lookout man batteries too have numbers to indicate their usage. For example the 377 battery is a high drain non rechargeable silverish oxide battery and the 376 is a low drain silver oxide battery. Silver oxide batteries maintain a stable 1.55V throughout their life whereas the alkaline equivalent voltage volition lower over time.
SR621SW vs SR626SW Battery
The SR621SW battery and the SR621SW battery are both silverish oxide but are not compatible. The six indicates a standard diameter of six.8mm merely the 21 and 26 bespeak a different superlative. 2.1mm and 2.6mm respectively. Although this may seem insignificant, information technology is a very big difference inside a tiny sentry compartment. A loose bombardment that is non making contact with the electronics is not a very good timepiece.
SR621SW Battery Specifications
- Bore: 6.8mm
- Peak: 2.1 mm
- Voltage: 1.55V
- Capacity: 18mAh – 23mAh
SR626SW Battery Specifications
- Diameter: 6.8mm
- Pinnacle: 2.6 mm
- Voltage: i.55V
- Capacity: 24mAh – 28mAh
AG4 and SR626SW Battery Questions FAQ
What is an equivalent SR626SW battery?
The alkaline equivalent is AG4 or LR626.
Is a 377 bombardment the same every bit a 376 battery?
The 377 and 376 battery are identical and have the same dimensions of half dozen.8mm x 2.6mm. The 376 is a high drain silvery oxide bombardment whereas the 377 is a low drain silver oxide bombardment.
What replaces a SR626 watch battery?
Any of the equivalent batteries listed that have dimensions of 6.viii x two.half-dozen mm including the alkaline AG4 and SR626SW bombardment.
What is an SR626SW battery?
An SR626SW battery is a silver-oxide non rechargeable button battery with dimensions of 6.8mm ten 2.vi mm cell using a chemistry of sodium hydroxide electrolyte.
Is an Energizer 377 the aforementioned equally an SR626SW?
Aye, an Analeptic 377 or 376 battery is a silverish oxide battery measuring six.8mm x ii.6 mm. It is equivalent to a SR626SW battery.
What does SW mean on a battery?
The bombardment lawmaking after the digits containing 'SW' indicates the battery is made of sodium hydroxide electrolyte and is in compliance with the sentinel battery standard of IEC 60086-three.
AG4 Bombardment Safety Information
Batteries made in the last several decades have not used mercury or cadmium or dangerous and unstable heavy metals. Beware of any older batteries yous may think are interchangeable with AG4 batteries. If the battery designation starts with 'MR' it may be made from mercury. Dispose of these batteries properly.
Proceed all minor batteries out of reach of children. AG4 batteries are particularly pocket-sized and must be kept in a prophylactic place. Proper storage conditions for an AG4 bombardment consist of a dry cool surround.
Source: https://aussiebattery.com.au/ag4-sr626sw-lr626-lr66-battery-equivalents/
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