A13 Hearing Aid Battery — Zinc-Air 1.4V, PR48 Equivalent
Zinc-air 1.4V hearing aid cell — PR48 / size 13 equivalent, 6 pcs per pack.
Specifications
- Voltage
- 1.4V
- Diameter
- 7.9 mm
- Thickness
- 5.4 mm
- Capacity
- 310 mAh
- Weight
- 1.1 g
Typical capacity — reference value.
- UL
- UN38.3
- CE
- RoHS
- ISO9001

A13 is the high-power zinc-air cell - 7.9 × 5.4 mm at 1.4V for powerful behind-the-ear instruments. Crossover names: PR48 and 13A.
For hearing aid battery size charts, A13 sits at 7.9 × 5.4 mm - the power cell of the family.
Where it is used
- Hearing aids
- Medical devices
Equivalent & Cross-Reference
- PR48
- 13A
Packing quantities are standard; other formats on request.
Hearing Aid Battery Size Chart
A13 shares the 7.9 mm diameter with A312 but is 1.8 mm thicker; it is the largest cell that fits most receiver-in-canal instruments.
Wholesale & Custom Supply
Factory-direct: 6 pcs per pack, 100 pcs per box, private label supported.
FAQ
What is an A13 battery?
A 1.4V zinc-air hearing aid cell, 7.9 × 5.4 mm, about 310 mAh typical capacity.
What is an A13 compatible with?
PR48 and 13A - same size and voltage, interchangeable.
How long does an A13 hearing aid battery last?
Roughly two weeks per cell for power users.

