Electrical safety
Do not use a power bank while it is charging
Do not use a power bank to charge a phone or another device while the power bank itself is charging.
Last reviewed: 2026-08-22
Why it matters
Charging in and out at the same time can increase overheating and fire risk.
Wrong action
Unsafe: Plugging the power bank into mains power while it is also charging a phone.
Correct action
Do not use a power bank to charge a phone or another device while the power bank itself is charging.
What to do
- Check the area, equipment, and household arrangement before starting.
- Do not use a power bank to charge a phone or another device while the power bank itself is charging.
- Stop and tell the employer if the situation is unsafe or unclear.
If something happens
For serious injury, unconsciousness, breathing difficulty, or immediate danger, call 999 and keep yourself safe first.
Sources and review
- Hong Kong Fire Services Department — Safety tips on using electronic product or external charger
Last reviewed: 2026-08-22
This page provides general home-safety information and does not replace medical, legal, electrical, or other professional advice.
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