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6 x everActive ULTRASONIC 312 hearing aid batteries

product brand: 
producer code: 
ULTRASONIC 312
EAN: 
5902020523178

Batteries 312 / PR41

  • reliable zinc-air batteries for hearing aids
  • voltage: 1.45V
  • environmentally friendly batteries - mercury-free (0% Hg)
  • expiration date: min. 2029
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6 x everActive ULTRASONIC 312 hearing aid batteries
6 x everActive ULTRASONIC 312 hearing aid batteries
0,85 € gross 0,85 € net
High stock
0,85 € gross 0,85 € net
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🦻 Created with modern hearing aids in mind

everActive ULTRASONIC zinc-air batteries have been optimized for the increased energy demands of the latest hearing devices. They provide stable, flat output voltage, ensuring longer and more reliable operating time – without sudden drops in power.

🔋 One of the most powerful batteries on the market

everActive batteries offer the highest energy density among button batteries – even 5× more energy than standard alkaline batteries of the same size. That means more hours of comfortable hearing without frequent replacements.

🏆 The first choice for hearing aid users

If you are looking for premium batteries that do not fail at critical moments – everActive is a proven standard of quality and performance.

💨 Zinc-air technology – the natural power of oxygen

The innovative technology uses oxygen from the air as an energy source, allowing the battery to achieve unparalleled performance and stability. The result? Maximum energy in a compact size.

🌍 Reliability in everyday use

everActive batteries perform well in all conditions and situations.

➡️ Remember: extreme temperatures, high humidity, or polluted air can affect the performance of any zinc-air battery.

⏱️ How to achieve maximum performance?

✔️ After removing the protective sticker, wait about 2 minutes before inserting the battery into the device
✔️ This time allows the battery to activate through the access of oxygen
✔️ Make sure that the battery compartment allows free airflow

🌱 Eco-friendly and safe

♻️ Mercury-free – modern, safe production process
♻️ Easy disposal and lower environmental impact
♻️ Compliant with current eco-friendly trends

🔧 Batteries for hearing aids – easy choice thanks to colors

Batteries for hearing aids have universal color and numerical designations that facilitate quick matching of the appropriate size to your device:

🟡 Size 10 / PR70 - dimensions: 5.8 × 3.6 mm
🟠 Size 13 / PR48 - dimensions: 7.9 × 5.4 mm
🟤 Size 312 / PR41 - dimensions: 7.9 × 3.6 mm
🔵 Size 675 / PR44 - dimensions: 11.6 × 5.4 mm

The color designation is always found on the blister and bulk packaging, minimizing the risk of confusion.

⭐ Why choose everActive ULTRASONIC hearing batteries?

🇵🇱 Polish brand with experience - everActive is a renowned Polish brand, based on 35 years of experience and knowledge of specialists in the power supply industry.
⚡ Power comparable to top brands - everActive batteries perform at least as well as market leaders' products, while offering a better quality-to-price ratio.
🔌 Full compatibility - They work in all hearing aids – including modern cochlear implants and speech processors.
🔋 Maximum capacity - Zinc-air technology provides up to 5× more energy compared to alkaline batteries.
⏳ Long lifespan and freshness - Batteries retain full usability for 3–4 years, allowing them to be safely purchased in bulk.
💰 Lower operating cost - Longer operation = less frequent battery replacements and real savings in everyday use.
🌱 Environmentally safe - They do not contain mercury – a choice friendly to you and nature.

💡 How to fully utilize zinc-air technology?

✔️ After removing the protective sticker, wait about 2 minutes before inserting the battery into the device – this is the time needed for the cell to activate through oxygen.
✔️ Make sure that the battery compartment has access to air – this is crucial for proper operation.
✔️ Store batteries in a dry and cool place (not in the refrigerator and not at high temperatures).
✔️ At night, turn off the device and – if possible – leave the battery compartment open to avoid moisture buildup.
✔️ Use batteries from fresh production, with a long shelf life.

⚠️ What to avoid to make the battery last longer?

❌ Alkaline batteries – they are significantly weaker than zinc-air batteries and can leak.
❌ Mixing batteries of different brands or new with old ones.
❌ Storing batteries loose with metal objects.
❌ Leaving discharged batteries in the device.

⏱️ What affects faster battery depletion?

🔊 High amplification level in the hearing device.
🎧 Additional features of the hearing device.
📞 Long phone calls.
🌧️ High humidity in the air.
❄️ High or low temperatures.
🌫️ Polluted air.

Product features 6 x everActive ULTRASONIC 312 hearing aid batteries
Model / Manufacturer Code
ULTRASONIC 312
Battery Type Designation
Zinc-air battery
Hearing Battery Model
312 / PR41
Alternative markings
B3124, B347PA, AC312E, PR41, HA312, 312AU, 312AU, DA312, 312HPX, s312, p312, ZA312, PR312, AC312, ZL3
Use
hearing aids, sound processors, other medical devices that require a reliable and efficient power supply
Voltage [V]
1,45
Diameter [mm]
7,9
Height [mm]
3,6
Contents
  • everActive ULTRASONIC 312 - 6 pcs
Product features 6 x everActive ULTRASONIC 312 hearing aid batteries
Model / Manufacturer Code
ULTRASONIC 312
Battery Type Designation
Zinc-air battery
Hearing Battery Model
312 / PR41
Alternative markings
B3124, B347PA, AC312E, PR41, HA312, 312AU, 312AU, DA312, 312HPX, s312, p312, ZA312, PR312, AC312, ZL3
Use
hearing aids, sound processors, other medical devices that require a reliable and efficient power supply
Voltage [V]
1,45
Diameter [mm]
7,9
Height [mm]
3,6
Contents
  • everActive ULTRASONIC 312 - 6 pcs
Product Safety Data 6 x everActive ULTRASONIC 312 hearing aid batteries
Manufacturer/Responsible entity:
Baltrade sp. z o.o.
Geodetów 24
80-298 Gdańsk
Polska
Email: contact@baltrade.eu
Telephone: 58 552 20 20
Baltrade sp. z o.o.

ul. Geodetów 24
80-298 Gdańsk

 +48 58 552 20 20
 contact@baltrade.eu

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