Size 312 Hearing Aid Battery User Guide

One of the most popular power sources in the hearing aid world, size 312 batteries—identified by their brown color code—are commonly used in Mini BTE and RIC (Receiver-in-Canal) hearing aids. With their slim design and strong performance, they offer an ideal balance of aesthetics and power.

How to Identify a Size 312 Battery

  • Color Code: Brown
  • Distinctive Feature: Same diameter as size 13 batteries, but thinner in profile
  • Technology: Zinc-Air

Extend Your Battery Life

To ensure uninterrupted performance from your Anaton hearing aid, proper battery care is essential:

Night Care

When you are not using your hearing aid—especially while sleeping—leave the battery door open. This helps prevent oxidation and allows moisture inside the device to dry out.

The 2-Minute Rule

After removing the brown tab from a new battery, wait 2 minutes before inserting it into your hearing aid. This allows the battery to fully activate, significantly extending its lifespan.

Proper Storage

Store spare batteries at room temperature, and protect them from excessive heat and humidity.

Core Specifications

  • Optimized Power Source: Compatible with Size 312 batteries (Brown Color Code), providing a slim design with high performance.
  • Versatile Fit: Specifically engineered for Mini BTE and Receiver-in-Canal (RIC) hearing aids.
  • Slim-Profile Engineering: Offers a perfect balance between discreet aesthetics and robust power output.
  • Intelligent Alert Tones: Dual-stage low battery warnings (3 beeps every 10 mins for "Low", 6 pairs of beeps for "Depleted").
  • Moisture Protection Design: Battery door structure optimized for "Night Care" to prevent oxidation and moisture build-up.
  • Enhanced Activation Protocol: Compatible with the 2-minute rule for maximum energy efficiency and extended battery lifespan.
  • Climate Resilience: Stable performance when stored at standard room temperature.

When Should You Replace the Battery?

If your hearing aid emits three beeps every 10 minutes, the battery is running low. Once the battery is fully depleted, the device will emit six pairs of beep signals before shutting down, giving you time to replace the battery.