Do I have to declare spare (loose) lithium batteries at Singapore customs?

Only above the allowance. Up to 2 spare (loose) lithium batteries there is nothing to declare; beyond it you take the goods through the red channel and pay the duty.

What happens if I do not declare spare (loose) lithium batteries in Singapore?

Under Goods and Services Tax, if you declare the excess yourself: the normal duty becomes payable on the excess. Under Customs Act 1960, section 128L, if it is treated as smuggling: it is prosecuted as a criminal offence. Under Customs Act 1960, section 124, if the goods are found without being declared: the goods are confiscated.

Can I post or ship spare (loose) lithium batteries to Singapore instead of carrying it?

Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you is outside this allowance.

Can I take spare (loose) lithium batteries out of Singapore?

Singapore publishes no separate rule for taking spare (loose) lithium batteries out; the destination's rules are what will apply.

Can I carry spare (loose) lithium batteries in the cabin or in checked baggage?

In the cabin: Allowed with conditions. In checked baggage: Prohibited. The carriage limit is 100.0000 Wh / 2.0000 g lithium. This comes from International baseline, and an individual airline may be stricter. Customs and aviation are separate rulebooks: what an airline lets you carry is not what a border lets you bring in.

Does the Singapore limit for spare (loose) lithium batteries apply per person or per family?

Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.

Where does this rule come from?

Singapore Customs states it in Pack for your flight. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Not more than two individually protected spare batteries are allowed per passenger.”

How does Singapore compare with other countries on spare (loose) lithium batteries?

Of the 20 countries covered here, 0 prohibit spare (loose) lithium batteries, 13 limit it and 7 let it through. Singapore is among the ones that set a limit.

How much Spare (loose) lithium batteries can I bring into Singapore?

Restricted

You can bring Spare (loose) lithium batteries into Singapore only within the stated limits.

Cabin baggage Allowed with conditions Source: International baseline

Checked baggage Prohibited Source: International baseline

Declaration Above allowance

Limit 2 piece

What you need to know

2 piece
Channels: Carried with the traveler

On the plane

International baseline

On person Not stated

Cabin baggage Allowed with conditions

Checked baggage Prohibited

Airline differences

Airline	Difference from the baseline
American Airlines	More permissive
All Nippon Airways	Stricter than the standard rule
British Airways	Stricter than the standard rule
Delta Air Lines	Stricter than the standard rule
easyJet	More permissive
Japan Airlines	More permissive
Korean Air	Stricter than the standard rule
Ryanair	Stricter than the standard rule
Turkish Airlines	Stricter than the standard rule

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-19

Pack for your flight Civil Aviation Authority of Singapore

Questions about Spare (loose) lithium batteries in Singapore

How many spare (loose) lithium batteries can I bring into Singapore?: Singapore allows 2 spare (loose) lithium batteries per traveller. Above that the goods are treated as an import and duty becomes payable. The allowance is per traveller and cannot be pooled between people.
Do I have to declare spare (loose) lithium batteries at Singapore customs?: Only above the allowance. Up to 2 spare (loose) lithium batteries there is nothing to declare; beyond it you take the goods through the red channel and pay the duty.
What happens if I do not declare spare (loose) lithium batteries in Singapore?: Under Goods and Services Tax, if you declare the excess yourself: the normal duty becomes payable on the excess. Under Customs Act 1960, section 128L, if it is treated as smuggling: it is prosecuted as a criminal offence. Under Customs Act 1960, section 124, if the goods are found without being declared: the goods are confiscated.
Can I post or ship spare (loose) lithium batteries to Singapore instead of carrying it?: Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you is outside this allowance.
Can I take spare (loose) lithium batteries out of Singapore?: Singapore publishes no separate rule for taking spare (loose) lithium batteries out; the destination's rules are what will apply.
Can I carry spare (loose) lithium batteries in the cabin or in checked baggage?: In the cabin: Allowed with conditions. In checked baggage: Prohibited. The carriage limit is 100.0000 Wh / 2.0000 g lithium. This comes from International baseline, and an individual airline may be stricter. Customs and aviation are separate rulebooks: what an airline lets you carry is not what a border lets you bring in.
Does the Singapore limit for spare (loose) lithium batteries apply per person or per family?: Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
Where does this rule come from?: Singapore Customs states it in Pack for your flight. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Not more than two individually protected spare batteries are allowed per passenger.”
How does Singapore compare with other countries on spare (loose) lithium batteries?: Of the 20 countries covered here, 0 prohibit spare (loose) lithium batteries, 13 limit it and 7 let it through. Singapore is among the ones that set a limit.

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