hoco-j91b-30k

HOCO J91B Power Bank 30000mAh

A model-level record for checking the exact power-bank identity, energy rating, and supporting evidence behind the catalog entry.

Capacity

30,000 mAh

Nominal voltage

3.70 V

Energy rating

111.0 Wh

Evidence basis

Manufacturer-stated Wh

Evidence summary

HOCO J91B Power Bank 30000mAh is recorded with a manufacturer-stated 111.0 Wh battery rating.

1 source

Wh basis: Manufacturer-stated Wh
Last verified: 2026-06-06
Source graph: 1 linked entities

Entity evidence

Official model identifiers and source links used to connect this CertiWatt record with manufacturer, support, recall, and knowledge-graph entities.

Manufacturer model number: Not published
CertiWatt model ID: hoco-j91b-30k
GTIN: Not verified
Brand entity: HOCO

Aliases

HOCO J91B

Source graph

Manufacturer source
hocotech.com/product/power/portable-chargers/power-banks/power-bank-j91b-30000mah

What this means for flying

Above 100 Wh

This model is above the common 100 Wh threshold, so it should not be treated like an ordinary carry-on power bank. Run the trip-specific verification before relying on it for travel.

This is a catalog-level hint, not a final travel verdict. Final checks depend on the route, airline, recall status, and current rules.

How this Wh value is supported

This model has a manufacturer-stated energy rating of 111.0 Wh.

Last verified: 2026-06-06
Added to catalog: 2026-06-06
Catalog status: Active
Source links: 1

Identity notes

Also known as

HOCO J91B

Official HOCO product page states J91B has 30000mAh / 111Wh capacity, 17700mAh rated capacity, Micro-USB/Type-C input, dual USB output, LED indicator, dimensions, and 585g weight.

Manufacturer sources

hocotech.com/product/power/portable-chargers/power-banks/power-bank-j91b-30000mah

Quick answers

Can I bring HOCO J91B Power Bank 30000mAh on a plane?

HOCO J91B Power Bank 30000mAh is above the common 100 Wh passenger battery threshold at 111.0 Wh, so it needs a trip-specific check before travel.

How many watt-hours is HOCO J91B Power Bank 30000mAh?

HOCO J91B Power Bank 30000mAh is recorded as 111.0 Wh from 30,000 mAh and 3.70 V catalog data.

What evidence supports the Wh value for HOCO J91B Power Bank 30000mAh?

The evidence basis is Manufacturer-stated Wh. CertiWatt stores 1 manufacturer source link for this model. The record was last verified on 2026-06-06.

Can HOCO J91B Power Bank 30000mAh go in checked baggage?

Power banks are generally handled as spare lithium batteries and should be checked against carry-on rules, not placed in checked baggage without a route-specific verdict.

Back to catalog

Related flight guides

China no-3C screeningCan I fly in China with a power bank that has no 3C mark?Short-answer guide to China airport screening for power banks with no 3C / CCC mark, unclear markings, and recalled model or batch risk.China domestic flight checklistChina domestic flight power bank rulesChina domestic-flight power bank checklist: readable 3C / CCC mark, no recalled model or batch, carry-on only, capacity evidence, and 2026 rule context.100Wh vs 160WhPower bank 100Wh vs 160Wh flight limitA short-answer guide to the difference between under-100Wh, 100-160Wh, and over-160Wh power-bank flight rules.Thailand mAh capThailand 20000mAh power bank flight ruleA short-answer guide to Thailand power-bank mAh limits and why a below-100Wh battery can still be restricted.Checked baggage answerCan I put a power bank in checked baggage?A short-answer page for checked-baggage power-bank rules and why spare lithium batteries must stay in carry-on.

Capacity and limit context

Brand catalogHOCO power banksCompare this model with other HOCO catalog records.Over common airline limits30,000 mAh power banks for flightsA 30,000 mAh power bank is usually about 111 Wh at 3.7 V, which commonly requires airline approval and may be refused on some trips.Airline approval bandPower banks from 100 Wh to 160 WhPower banks above 100 Wh and up to 160 Wh usually require airline approval and are often limited to two units per passenger.