TIANQIU377 Battery - 1.55V Silver Oxide Coin Cell
The 377 silver oxide 1.55V coin cell — 6.8mm diameter, 24mAh capacity. Ideal for watches, micro devices.
What are the specifications of a 377 battery?
The 377 is a Silver Oxide coin cell rated 1.55V, with a nominal capacity of 24mAh. It measures 6.8mm across and 2.6mm thick, and weighs 0.3g. The table below gives the full specification — final values are confirmed on the OEM spec sheet for your project.
| Chemistry | Silver Oxide |
|---|---|
| Voltage | 1.55V |
| Diameter | 6.8mm |
| Thickness | 2.6mm |
| Capacity | 24mAh |
| Weight | 0.3g |
| Compatible | 377 = SR626SW = SR626 = 376 |
Specs for reference — final values per OEM project.
377 Watch Battery: Is It the Same as SR626SW?
Yes. The 377 watch battery is the same as SR626SW, AG4 and SG4 — a 6.8mm x 2.6mm, 1.55V silver-oxide cell. It is the most common small watch battery and a direct replacement for any of those markings.
What batteries are equivalent to the 377?
The 377 is interchangeable with any cell of the same diameter, thickness and voltage, so an equivalent can be substituted without changing the device. Buyers look these cells up under three numbering systems at once — IEC, ANSI and manufacturer codes — and the list below covers the names the 377 is sold under.
Look any number up in the cross-reference tool → — type the marking on your cell and see where it lands, or pick your device and see the cells we supply for it.
Alkaline 1.5V — direct replacement
| Number on the cell | Published by |
|---|---|
| AG4 / G4A | trade name for the 1.5V alkaline cell of this size (6.8 x 2.6mm) — not listed in the Duracell, Energizer, Maxell or Renata charts consulted; single source, verify on the cell |
| LR626 | IEC type for the alkaline cell of this size — verify against the device data sheet |
Silver oxide 1.55V — same size, different chemistry
| Number on the cell | Published by |
|---|---|
| 377 | Energizer (own model) · Maxell · Duracell · Renata |
| 376 | Maxell · Duracell (376/377 row) |
| SR626SW | IEC type · Maxell · Duracell |
| SR626W | IEC type · Maxell |
| D377 | Duracell (own code) · Maxell |
| V377 / V376 | Varta (own code) · Maxell |
| SB-AW | Seiko (own code) · Maxell · Duracell |
| SB-BW | Seiko (own code) · Maxell |
| 280-39 | Citizen (own code) · Maxell · Duracell |
| 280-72 | Citizen (own code) · Maxell |
| 606 / 619 | Bulova (own code) · Maxell |
| SR66 | Vinnic / GP (own code) · Maxell |
Where is the 377 battery used?
The 377 is used in watches, micro devices and other compact devices that draw small currents over long periods. Its 1.55V output and 24mAh capacity suit equipment that has to run for months without a battery change. The blocks below set out what to check for each device type.
377 Watch Battery
The 377 is a common watch battery cell. Match the model number on your old cell (377 = SR626SW = SR626 = 376) to the one you replace it with — same size and voltage means an easy swap.
What do buyers ask about the 377 battery?
Need the 377 priced, or the same cell printed and packed under your own brand? Send the quantity, the target market and the packaging format, and we return price, MOQ band and the 377 data sheet.
Printed, blister-carded and boxed in our own plant, from 50 cartons per product line. Samples are available before a production run — tell us the device the cell goes into.
377 Battery FAQs
What is a 377 battery?
What is the 377 compatible with?
What is a 377 battery equivalent to?
Is the 377 rechargeable?
How long does a 377 battery last?
Does a 377 fit my device?
How do I get 377 battery wholesale pricing?
Pricing depends on cell grade, quantity and packaging, so quotes are issued per project rather than from a fixed list. Send your quantity, target market and label or packaging requirements, and we return a landed-cost quote together with samples — usually within one working day.
Which batteries are related to the 377?
These models share chemistry, voltage or form factor with the 377 and are frequently specified alongside it. Where a device accepts more than one size, confirm the battery-bay dimensions before ordering — each card below links through to the full specification and equivalents.