The "Best CP" of the Year for Mobile Electronics
Power bank
The invention and emergence of mobile power banks (power banks).
It greatly solves our charging problem
It has been loved by tens of millions of people
However, the power bank due to quality problems
or improper use, etc
Sometimes it can be the trigger for a fire
01
Inferior power banks cause fires
In January 2023, a fire broke out in a self-built house in Guiping, Guangxi, in the early morning, and a family of four in the house was unfortunately killed. After preliminary investigation, the cause of the fire was a short circuit in the mobile power supply and caused a fire. The on-site inspection found that the mobile power supply was suspected to be a counterfeit and shoddy product.
02
Overcharging of the power bank leads to a fire
In September 2021, a fire broke out in a resident's home in Dongguan, Guangdong, but fortunately, the fire department put out the fire in time and did not cause casualties. After preliminary investigation, the cause of the fire was a fault in the internal circuit of the power bank that was charged overnight.
How many years can the power bank be used?
On the side of the brand power bank, there is usually a recyclable logo, and the number in the middle represents the recyclable life of the battery in the power bank.
The circle is marked by the 5-year recyclable battery on the power bank
If the number is 5, it means that the rechargeable battery has a recyclable life of 5 years. If a rechargeable battery is a consumable and exceeds its recyclable life during frequent use, the battery may become abnormal.
How long has your power bank been used? Go and see what the recyclable life is, and it is recommended to replace the power bank with a new one after the service life.
How to avoid power banks
Transform into a "charging explosion"
01
Be cautious when choosing a power bank
When buying a power bank, you must pay attention to the power bank's battery cell, conversion rate, appearance, capacity and other information.
02
Standardize the use of power banks
The danger of power bank comes from the internal lithium battery cell, improper use, dropping, moisture, external force squeezing, puncture, etc. may cause accidents.
03
What is used to extinguish a fire in a power bank?
The battery cell of the power bank is usually composed of several lithium batteries spliced, even if the fire of one battery is extinguished, the residual high temperature may ignite the lithium battery next to it.
The permeability and cooling effect of the dry powder fire extinguisher are relatively poor, and the effect is not ideal when dealing with the fire of the power bank, while the water can penetrate into the inside of the power bank to effectively extinguish the fire and play a cooling role.
Is your power bank safe?
When should I stop using the power bank?
Please check yourself!
↓↓↓
Replace in a timely manner beyond the service life
or a power bank with hidden dangers
Use it correctly
Charge safely
Source: National Emergency Broadcasting, Ministry of Emergency Management of the People's Republic of China