Code 8506 30 · Heading 8506

Unused mercury-oxide primary cells and batteries

This code covers primary cells and primary batteries made with mercury oxide. Used cells and batteries are excluded.

For example

Mercury-oxide primary button cell
Mercury-oxide primary battery

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See the official tariff text

Official tariff text

Mercuric oxide cells and batteries (excl. spent)

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section XVI Machinery and mechanical appliances; electrical equ…
Is the product a machine, apparatus or mechanical tool, or is it electrical equipment, a sound recorder or player, or a television image and sound recorder or player?
✓
Step 2 · Chapter 85 Electrical machinery and equipment and parts thereo… 2 of 2 chapters in section XVI
What is the product: an electrical motor, generator or converter; a transformer or electrical converter; a magnet; a primary cell or battery; an accumulator; a household appliance; a shaver or hair-removal appliance; equipment for an internal-combustion engine, vehicle or bicycle; a portable lamp; an industrial or laboratory heating appliance; soldering or welding equipment; another electrical heating appliance; a telephone or other data-communication device; sound equipment; video equipment or recording media; a display module; a radio, television, radar, navigation or remote-control device; electrical control, switching, lighting, semiconductor, circuit, cable or insulation equipment; another electrical machine or apparatus; or electrical and electronic waste or scrap?
✓
Step 3 · Heading 8506 Primary cells and primary batteries, electrical; pa… 6 of 48 headings under chapter 85
Is it a part for a primary cell or battery, or is it an unused primary cell or battery—and if it is a cell or battery, is it manganese dioxide, mercury oxide, silver oxide, lithium oxide, zinc-air, or another type named here?
✓
Step 4 · Subheading 8506 30 Mercuric oxide cells and batteries (excl. spent) 2 of 7 subheadings under heading 8506
Is it a primary cell or battery made of manganese dioxide, mercury oxide, silver oxide, lithium oxide, or zinc-air; another type of primary cell or battery; or a part for one?

Full 8-digit codes

Pick the description that best matches your product.

1 code below this one

8506 30 00 Mercuric oxide cells and batteries (excl. spent) 4.7% Save

Compare the sibling codes

Classification decides the rate here: from 0.0% to 4.7%.

8506 10 Manganese dioxide cells and batteries (excl. spent) No rate on file
8506 30 Mercuric oxide cells and batteries (excl. spent) you are here 4.7%
8506 40 Silver oxide cells and batteries (excl. spent) 4.7%
8506 50 Lithium cells and batteries (excl. spent) No rate on file
8506 60 Air-zinc cells and batteries (excl. spent) 4.7%
8506 80 Primary cells and primary batteries, electric (excl. spent, and those of silver oxide, mercuric oxide, manganese dioxide, lithium and air-zinc) 0.0–4.7%
8506 90 Parts of primary cells and primary batteries, n.e.s. 4.7%

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

85.06.3000

Mercuric oxide

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 9, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

8506 30 00 00

Mercuric oxide

Ordinary duty

4.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1576, last checked Aug. 9, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 7 codes at this level

Previous code 8506 10

Manganese dioxide cells and batteries (excl. spent)

you are here 8506 30

Mercuric oxide cells and batteries (excl. spent)

Next code 8506 40

Silver oxide cells and batteries (excl. spent)

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.