Power One Battery Size P312

About this item

• Chemical System: Zinc-Air (Zn/O₂)
• Voltage: 1.45V (Nominal)
• IEC Standard Test Capacity: 189 mAh (Rated down to 1.05V at 20°C)
• IEC Wireless Test Capacity: 173 mAh (Rated down to 1.1V for Bluetooth/streaming loads)
• Dimensions: 7.9 mm diameter × 3.6 mm height
• Weight: ~0.58 grams
• Target Applications & Cross-Compatibility: Ideal for modern Behind-the-Ear (BTE) and Receiver-in-Canal (RIC) hearing aids, especially those frequently pairing with smartphones, remote mics, and television streaming accessories, directly replaces PR41, p312, PR312, Brown Tab, DA312, 312ZA, ZA312, 312AE, and AC312E cells, like all zinc-air cells, you must peel off the brown comfort tab to expose the air holes. For optimal performance, let the cell sit exposed to ambient oxygen for at least 60 seconds before closing the hearing aid battery door.