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Home › Batteries › Size 630
Hearing aid battery

Size 630 battery

1What it is2Safety3Other names4Facts5Buy it
  1. 1

    What it is

    630STICKER

    Size 630 is a hearing aid battery, a little smaller than a dime. It gives 1.45 volts.

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  2. 2

    Safety first

    Keep away from children and pets

    A swallowed coin or button battery can cause serious burns inside the body within 2 hours. If you think one was swallowed, get emergency help right away.

    Swallowed one? What to do now →

    Leave the sticker on until you need it

    Once the sticker is off, the battery starts running down whether you use it or not.

  3. 3

    Names you might see in the store

    All of these are the same battery. Any of them will work.

    DA6307007Z630
  4. 4

    Quick facts

    Size
    A little smaller than a dime
    Thickness
    As thick as 8 credit cards stacked
    Power
    1.45 volts
    Keeps in a drawer for
    About 3 years
    Rechargeable?
    No, use once
    Found in things like
    Behind-the-ear hearing aidsPower behind-the-ear hearing aidsSmall medical devices
  5. 5

    Where to buy it

    As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer Size 630
    See results on Amazon →
    Amazon searchMulti-packs from any brandSearch Amazon for Size 630 multi-packs
    See results on Amazon →
    Amazon searchDuracell DA630 listings, the same batterySearch Amazon for Duracell DA630
    See results on Amazon →

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See it at real size

Size 630 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

Size 630Thickness 6.2US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read Size 630:

630Hearing-aid size code
DA630IEC zinc-air designation, 15.6 × 6.2 mm

The same battery from each brand

BrandTheir name for it
Official nameDA630
Shop nameSize 630
DuracellDA630

Exact measurements

Width
15.6 mm (0.614 in)
Thickness
6.2 mm
Voltage
1.45V (empty at 1.1V)
Energy stored
1000 mAh
Weight
—
Made with
Zinc-air
Works between
0 … 50 °C
Official code
DA630 · ANSI 7007Z

Questions people ask

Is Size 630 the same as DA630?

Yes. They’re the same battery with different names. You might also see DA630, 7007Z, 630.

How long will a spare keep in a drawer?

About 3 years if it stays cool and dry.

Can I recharge it?

No. Never try to recharge it.

Which way up does it go?

Usually with the side marked “+” facing you or facing up. Look at how the old one sits before you take it out.

630STICKER
Size 630Hearing aid battery
Search Amazon for Size 630As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1What it is2Safety3Other names4Facts5Buy it