On 23 June, a house in Hong Kong caught on fire after a charging power bank exploded
The 52-year-old had left several portable power banks charging simultaneously in the middle of the night
Among the four to five charging power banks, at least one power bank is said to have exploded, causing the fire.
A neighbour spotted the fire and alerted the authorities.
After evacuating 18 residents, it took firefighters 28 minutes to extinguish the blaze.
Everything inside the house was destroyed, with Law's electrical appliances and furniture severely damaged
In September 2017, Hong Kong's Consumer Council found that nine of 30 models of external chargers tested failed to meet safety standards
The council asked users to avoid keeping power banks fully charged for a long time and to unplug them after they have finished charging.
Power banks should also be stored in a cool place to slow down its aging process, The Standard reported.
Make sure to research the brand when buying a power bank. Here are a few popular brands with affordable options: