Home Solutions Medical Hearing Aid Battery

The new era of hearing aid batteries: fast-charging, smart and safe.

Rechargeable Hearing Aids Li-ion Battery Testing

Balancing fast charge with safety.

Fast charge vs. cycle life: Users expect 1-2 hour fast charging, but frequent fast charging accelerates capacity decay, affecting long-term usability.
Micro-current accuracy and runtime: Hearing aids operate at microamp currents, requiring batteries to maintain capacity and voltage stability under low-current discharge.
Safety and reliability: Batteries must prevent overheating, swelling, and short circuits during body-worn use while meeting medical safety certifications.

Uninterrupted comfort, powered for longer.

Micro-Current High-Precision Testing: Supports 0.1μA–10mA high-precision charge/discharge tests to accurately evaluate capacity, efficiency, and voltage plateau under real micro-power scenarios.
Cycle Life & Fast Charge Evaluation: Simulates daily fast charge-discharge cycles to test capacity retention after hundreds of cycles and evaluate the impact of fast charging on lifespan.
Safety & Consistency Testing: Supports overcharge, over-discharge, short circuit, and thermal abuse tests to ensure each cell meets medical-grade safety standards.

Commitment and certification to medical battery safety.

IEC 62133: Safety requirements for portable rechargeable batteries. 

IEC 60601-1: Basic safety standards for medical electrical equipment. 

IEEE 1725: Quality and reliability standards for rechargeable battery systems.

Commitment and certification to medical battery safety.
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Standard Testing

CT-4000/CT-8000 Series (mA)

A foundational testing platform for hearing aid battery R&D and performance validation, simulating real-world micro-power consumption scenarios of hearing aid batteries. 

Micro-current high-precision testing: the equipment supports a current range of 0.1μA to 100mA with an accuracy of up to ±0.02% FS, enabling precise simulation of the microamp-level operating states of hearing aids and accurate evaluation of their true capacity. 

Cycle life testing: the system supports over 65,500 charge-discharge cycle tests, facilitating the assessment of long-term battery durability.

· Instruments

· Accessories

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CT-4008Q-5V100mA-124 *

CT-4000 Battery Testing System
  • Voltage & Current Accuracy: ±0.01% F.S.

  • Recording Frequency10Hz

  • Sampling Time100ms

  • Current Response Time≤1ms

  • Minimum Pulse Width500ms

  • Off-Line Test1GB

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8002s

CT-8002S-5V100mA-CV *

Portable Battery Testing System
  • Voltage&Current Accuracy±0.01% F.S.

  • Recording Frequency1000Hz

  • Current Response Time≤20μs 

  • CV Testing 

  • Type-C Power Port 

  • 6-Range Current Measurement

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Ultra-High Precision Testing

CT-9000(mA)

Features ultra-fast current response speed and supports in-depth research on hearing aid battery materials and electrochemical mechanisms. 

Electrochemical analysis functions: the equipment supports DCIR (Direct Current Internal Resistance) testing and CV (Cyclic Voltammetry) testing, aiding in the evaluation of battery health status and material electrochemical activity. 

SMBus communication: equipped with SMBus battery communication functionality, enabling real-time monitoring of battery status and providing immediate information for laboratory research.

· Instruments

· Accessories

CT-9512-5V300mA

CT-9008-5V300mA *

CT-9000 Battery Testing System
  • Voltage & Current Accuracy: ±0.02% F.S.

  • Voltage Stability: ±0.01% F.S.

  • Current Stability: ±0.015% F.S.

  • Sampling  Frequency: 100Hz

  • Resolution AD: 16bit

  • Current Response Time: ≤1ms

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solutionbannerneware CT-9002-5V6A-F-204n-000a

CT-9002-5V6A-F-204n *

CT-9000 Battery Testing System
  • Voltage & Current Accuracy±0.02% F.S.

  • Voltage & Current Stability±0.01% F.S.

  • Recording Frequency1000Hz

  • Resolution AD16bit

  • Current Response Time≤100μs

  • Off-Line Test1GB

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Integrated Temperature Control Testing

All-in-One Series

Hearing aids may be used in various climates and are affected by body temperature when worn close to the skin, making battery temperature adaptability crucial. 

Integrated temperature control design: combines charge/discharge testing with temperature control to streamline the testing process. 

Wide temperature testing range: provides a broad temperature testing environment from -70℃ to +150℃ to validate battery performance and safety under different temperatures. 

Safety performance verification: evaluates thermal safety risks of batteries through testing under extreme temperature conditions.

· Instruments

· Accessories

WHW-25L-16CH

WHW-25L-16CH *

Mini All-in-One Testing System
  • Voltage & Current Accuracy: ±0.05% F.S.

  • Sampling Time: 100ms

  • Number of Channels: 16CH

  • Temperature Range & Deviation: 32℉~140℉±3.6℉(15℃~60℃±2.0℃)

  • Heating Efficiency: 77℉~140℉≤50min

    (25℃~60℃≤50min)

  • Cooling Efficiency: 77℉~59℉≤60min

    (25℃~15℃≤60min)

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WHW-200L-160CH-B

WHW-200L-160CH-B *

Coin Cell All-in-One Testing System
  • Voltage & Current Accuracy: ±0.01%  F.S.

  • Recording Frequency: 100Hz

  • Number of Channels: 160CH

  • Temperature Range & Deviation: 32℉~140℉±3.6℉(0℃~60℃±2.0℃)

  • Heating Efficiency: 77℉~140℉≤30min

    (25℃~60℃≤30min)

  • Cooling Efficiency: 77℉~32℉≤50min

    (25℃~0 ℃≤50min)

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WHW-100L-2-160CH-PC

WHW-100L-2-160CH-PC *

PC All-in-One Testing System
  • Current & Voltage Accuracy: ±0.05% F.S.

  • Recording Frequency: 10Hz 

  • Current Response Time: ≤1ms 

  • Temperature Range: 32°F~140°F (0℃~60℃) 

  • Heating Time: 77°F→140°F≤30min

    (25℃→60℃≤30min) 

  • Cooling Time: 77°F→32°F≤50min

    (25℃→0℃≤50min)

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WGDW-100L-70C-380V-5U

WGDW-100L-70C-380V-5U *

Environmental Test Chambers All-in-One Battery Testing System
  • Current & Voltage Accuracy: ±0.05% F.S. 

  • Data Logging Frequency: 10Hz 

  • Temperature Range & Deviation: -94°F~302°F ±3.6°F(-70℃~150℃±2℃)

  • Temperature Fluctuation: ≤0.9°F(≤0.5℃) 

  • Heating Time: 68°F→302°F≤60min

    (20℃→150℃≤60min)

  • Cooling Time: 68°F→-94°F≤75min

    (20℃→-70℃≤75min) 

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Accessory Equipment

Resources

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