JetBlue Airways: battery and item rules and carry-on size limits

This page lists JetBlue Airways's own rules that we have reviewed. They apply when JetBlue Airways operates the flight. Security screening (TSA) and dangerous goods (FAA) rules apply on top of them; each item page lists all three.

Most recent review on this page: 2026-10-27.

JetBlue Airways rules for items

Power bank

  • JetBlue Airways policy

    Allowed, with the conditions listed

    JetBlue power banks: carry-on only, up to two per customer, each not over 100 Wh.

    Limits
    Battery capacity: up to 100 Wh
    Number of items: up to 2

    Also note

    • Power banks must not be stored in overhead compartments.
    • Power banks must not be charged using in-seat power during flight.

    Source: JetBlue Airways: Batteries. Reviewed on 2026-10-27.

  • JetBlue Airways policy

    Not allowed

    JetBlue does not permit power banks in checked baggage.

    Source: JetBlue Airways: Batteries. Reviewed on 2026-10-27.

Can you bring a power bank on JetBlue Airways? (with the TSA and FAA rules that also apply)

Spare lithium-ion battery

  • JetBlue Airways policy

    Allowed, with the conditions listed

    JetBlue accepts spare lithium batteries in carry-on baggage only.

    Source: JetBlue Airways: Batteries. Reviewed on 2026-10-27.

  • JetBlue Airways policy

    Not allowed

    JetBlue prohibits spare lithium batteries in checked baggage.

    Source: JetBlue Airways: Batteries. Reviewed on 2026-10-27.

Can you bring spare lithium-ion batteries on JetBlue Airways? (with the TSA and FAA rules that also apply)

See how JetBlue Airways's power bank rules compare with other airlines

JetBlue Airways carry-on and personal item size

Limits are shown in the units the airline uses. Fitting the size does not mean the bag is free: fare inclusion is shown separately.

Carry-on bag

Length22 in
Width14 in
Height9 in
Length + width + heightNot checked yet
WeightNot checked yet
Number of bagsNot checked yet

Source: JetBlue Airways: Bag Calculator. Reviewed on 2026-10-27.

Checked bag

LengthNot checked yet
WidthNot checked yet
HeightNot checked yet
Length + width + height62 in
Weight50 lb
Number of bagsNot checked yet

Source: JetBlue Airways: Bag Calculator. Reviewed on 2026-10-27.

Personal item

Length17 in
Width13 in
Height8 in
Length + width + heightNot checked yet
WeightNot checked yet
Number of bagsNot checked yet

Source: JetBlue Airways: Bag Calculator. Reviewed on 2026-10-27.

Check your bag's size against JetBlue Airways's limits

Check an item for a JetBlue Airways flight

The item checker combines JetBlue Airways's rules with the security screening and dangerous goods rules for your item. For batteries, the Wh calculator works out the watt-hour rating.

Official sources

This page lists rules as the official sources state them, for travel departing the United States. It is not a decision about your item: security officers and your airline make the final call, and rules can change after the review dates shown. Destination customs and quarantine rules are not checked. See the terms and disclaimer.