Is it better to use battery-powered or rechargeable hearing aids?

Introduction Is it better to use battery-powered or rechargeable hearing aids? Hearing aids that use batteries are better. Hearing aids that use discharge batteries use special zinc-air batteries with high capacity and stable discharge.

Is it better to use battery-powered or rechargeable hearing aids?

It is best to use batteries for hearing aids.

For hearing aids that use batteries, the batteries are special zinc-air batteries with large capacity and stable discharge. Of course, the cost will be relatively more expensive, but the use is more stable and there will be. no symptoms such as sudden power outage. Rechargeables are generally relatively low-end and make a lot of noise, mainly because they save a bit on battery cost.

As of February 2020, batteries for custom hearing aids generally cost around 3 yuan each.

Factors affecting the price of custom hearing aid batteries:

1. Chemical materials

Lithium iron phosphate batteries are composed of positive elements. and negative electrodes It is made of materials and electrolyte, so the cost priceFundamental t cannot be separated from chemical materials in nature. Lithium batteries made from different chemical materials also have different prices.

2. Battery Capacity

According to survey and statistical analysis, the larger the battery capacity of the unit, the lower the cost.

3. Production Scale

If the production scale increases, the market will also expand accordingly, which will solve the current shortage of supply and demand in the market, and of course the price of lithium. the batteries will fall naturally.

4. Charging Speed

Charging speed is closely related to the complexity of lithium battery design. In order to reduce the cost of lithium batteries, its design must be changed to adapt more quickly. degree of load.

Detailed information:

Battery purchase:

1. Choose battery products with “National Inspection-Free” and “Chinese Famous Brand” logos and locally famous brand battery products.

2. According to the requirements of the electrical appliance, select the applicable battery type and size, and purchase the battery suitable for the electrical appliance according to the size and power consumption characteristics of the electrical appliance.

3. Pay attention to the production date and shelf life of the battery, and purchase batteries (new batteries have good performance).

4. Pay attention to the appearance of the battery. You should choose a battery with exquisite packaging, neat and clean appearance and no signs of leakage.

5. Pay attention to the battery logo. The battery brand should indicate the manufacturer name, battery polarity, battery model, rated voltage, brand, etc. ; beatheat shrinkable teries or 4 heat shrinkable batteries) (shrunk or hanging label) must have the Chinese factory address, production date and shelf life or shelf life expiry date, and the number of the release standard implemented (generally the national standard GB/T××××-××××).

Do not buy products that do not have a Chinese factory name, production date and shelf life, or a product that does not have a shelf life expiration date or implementation standard. When purchasing alkaline zinc-manganese batteries, you should check whether the model number has the words ALKALINE or LR.

6. Since mercury in batteries is harmful to the environment, it is In order to protect the environment, you should choose batteries that have the words "mercury-free", "0% mercury" and "no mercury added" on them. the brand when purchasing.

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