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Size 13 hearing aid battery (orange)
Size 13: 1.45 V zinc-air hearing aid battery, 7.9 mm × 5.4 mm, about 310 mAh (450 mWh). Same battery: PR48, A13, 13A, ZA13.
1.45 Vvoltage
7.9 mmdiameter, 0.311 in
5.4 mmthick, 0.213 in
≈ 310 mAhcapacity
Size 13: what to know
- Size 13 is the same 7.9 mm width as size 312 but taller (5.4 mm vs 3.6 mm), with about 70% more capacity.
Size 13 equivalents
PR48A1313AZA13
Can I use another battery instead of a Size 13?
| Battery | Size | Volts | Works? | Why |
|---|---|---|---|---|
| LR41 | 7.9 mm × 3.6 mm | 1.5 V | No | Hearing aids need zinc-air cells. |
| Size 312 | 7.9 mm × 3.6 mm | 1.45 V | No | Hearing aids need zinc-air cells. |
| SR41 | 7.9 mm × 3.6 mm | 1.55 V | No | Hearing aids need zinc-air cells. |
| LR754 | 7.9 mm × 5.4 mm | 1.5 V | No | Hearing aids need zinc-air cells. |
| SR48 | 7.9 mm × 5.4 mm | 1.55 V | No | Hearing aids need zinc-air cells. |
What uses a Size 13 battery?
- Behind-the-ear and larger in-the-ear hearing aids
Guides: hearing aid
Tab colour orange. Pull the tab only when needed and wait a minute before closing the door. About 1–2 weeks of daily wear.