At One Place

SR416SW battery

What replaces a SR416SW
337, SR416, SR68, D337, V337, GP337
1.55 V silver oxide, 4.8 × 1.6 mm (diameter × height)

The SR416SW is a single-use 1.55 V silver oxide button cell. The codes below are the same physical cell sold under different manufacturer names, and any of them will fit.

Specification

IEC designation
SR416SW
Nominal voltage
1.55 V
Chemistry
Silver oxide
Size
4.8 × 1.6 mm (diameter × height)
Typical capacity
8.3 mAh
Rechargeable
No — never charge it

Codes that mean the same battery

Different manufacturers, one physical battery. Voltage, chemistry and dimensions all match.
Code Fits?
337 Yes — same cell
SR416 Yes — same cell
SR68 Yes — same cell
D337 Yes — same cell
V337 Yes — same cell
GP337 Yes — same cell
SB-AC Yes — same cell

Codes that look close but are not

Code Why it is not a substitute
SR516SW / 317 One millimetre wider at 5.8 mm. The 337 is the smallest silver oxide watch cell made and almost nothing else fits its holder.

The SR416SW is a primary cell and must never be put in a charger. Charging a sealed primary battery builds gas pressure inside a can with no vent designed for it, which is how they rupture or catch fire. Rechargeable look-alikes exist for several sizes and carry different codes — check the code, not the shape.

Where it turns up

  • The smallest ladies' quartz watches
  • Hearing aid programming remotes
  • Miniature medical devices
  • Jewellery lights

At 4.8 × 1.6 mm and 8.3 mAh this is the smallest cell in common retail sale. Handle with tweezers; a fingerprint on the contact face is enough to raise the resistance.

Common questions

What is equivalent to a SR416SW?
337, SR416, SR68, D337, V337, GP337, SB-AC — all the same 1.55 V cell under different manufacturer codes.
Can I use a SR516SW / 317 instead of a SR416SW?
One millimetre wider at 5.8 mm. The 337 is the smallest silver oxide watch cell made and almost nothing else fits its holder.
Is the SR416SW rechargeable?
No. It is a primary cell — charging one risks rupture or fire. Rechargeable look-alikes exist in the same size under different codes.

Related pages

Sources

  1. Official vendor product documentation — At One Place

How these figures are compiled and checked