Now in daily life, people use remote controls, radios, blood pressure monitors, flashlights, electric toys will be installed in several dry batteries. Some consumers will find that some batteries cannot be used for a short time, and they must have bought inferior or counterfeit products. So how do you tell the difference between good and bad batteries?
Phase weight
The same brand, the same specifications of dry batteries, can be put on the electronic scale, good quality batteries than poor quality batteries are much heavier. For example, the alkaline No. 5 battery weighs more than 23 grams, and inferior or counterfeit products generally do not exceed 16 grams.
Second look price
Dry batteries with high prices are generally alkaline batteries, and the quality is relatively better. Do not buy batteries cheaply at unlicensed vendors, these batteries not only have a short use time, but also have hidden dangers of leakage and environmental pollution.
Excellent dry batteries, the packaging will be marked with trademarks, manufacturers, battery models, nominal voltage, battery polarity, production date, shelf life, implementation of standard numbers, and exquisite workmanship, clean and clean, no leakage. At the time of purchase, you can also check whether the product is marked with the words "no mercury", "0% mercury", "no mercury added".
In general, through the above three steps, the quality of the battery will be obviously presented to you.