Zinc Air Battery

Zinc air batteries is a metal-air battery powered by oxidizing zinc and oxygen from the air. These batteries have high energy densities and are relatively cheap to produce/manufacture. It can be used in hearing aids, film cameras, and electric car induction. A zinc air battery has a high amount of energy and weight more than other types of batteries since atmospheric air is one of its reactants.

Zinc air battery has a long shelf life if sealed to keep air out; even the smallest form of this battery, button battery can be stored for up to 3 years at room temperature if its seal is not removed. The shelf life of a zinc air battery is a function of its interaction with its environment.

Size 675 hearing aid battery ZA675 A675 pr44 count 6pcs/card

$7.49 @ Amazon.com

Feature:   hearing aid battery;Packing:6pcs/card*1 card ZA675 =6Pcs ZA675

Brand:   PKCELL

Model #:   A675-6B-1

Price:   $7.49

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WeinCell MRB625 Replacement Battery for PX625/PX13

$4.99 @ Amazon.com

Feature:   Zinc Air, available for many classic cameras

Brand:   Wein

Model #:   W990120

Color:   Black

Size:   1-Pack

Price:   $4.99

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Powermax Size 312 Hearing Aid Batteries, Brown Tab, Long Lasting, Made In the USA, 64 Count

$16.46 @ Amazon.com

Feature:   High quality premium zinc air brown tab battery size 312

Brand:   Powermax USA

Model #:   98663

Size:   64-Count

Price:   $16.46

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Rayovac Size 312 Extra Advanced Mercury Free Hearing Aid Batteries (80 Batteries)

$22.66 @ Amazon.com

Feature:   Mercury free 80-pack of size A312 hearing-aid batteries with zinc-air technology High energy density and almost completely flat drain curve-powerful from beginning to end Popular choice for today's behind-the-ear or in-the-ear digital hearing aids Durable stainless-steel housing ensures ultimate stability and protection against corrosion 2- to 3-year shelf life; remove tab and allow battery to be exposed to air for 1 minute to activate battery before inserting into hearing device

Brand:   Rayovac

Model #:   312 Extra Advanced

Color:   Brown

Size:   312

Price:   $22.66

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Duracell EasyTab 675 Zinc Air Hearing Aid Batteries - 600mAh - 60 Piece Retail Packaging

$16.85 @ Amazon.com

Feature:   Brand New Fresh Date Codes

Brand:   Duracell

Model #:   DA675

Price:   $16.85

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powerone Size 13 Hearing Aid Batteries Zinc Air P13 Pack of 60

$12.99 @ Amazon.com

Feature:   10 x 6 supplied Blister Powerone Varta Type 13 Hearing Aid Batteries x60, colour: orange

Brand:   PowerOne

Model #:   4250822700220

Size:   13

Price:   $12.99

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Battery 10 PowerOne (60ea/pkg) p10 Zinc Air Hearing Aid Batteries (Yellow) Size 10 Pack of 60

$13.99 @ Amazon.com

Feature:   Made in Germany Genuine Product

Brand:   ORIGINAL Powerone

Model #:   PR70/p10 4612

Size:   1 Pack

Price:   $13.99

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Phonak Mercury Free Size 10 Zinc Air Hearing Aid Batteries (60 Batteries)

$22.97 @ Amazon.com

Feature:   Phonak brand Size 10 batteries

Brand:   Phonak

Size:   10

Price:   $22.97

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Powermax Size 13 Hearing Aid Batteries, Orange Tab, Long Lasting, Made In the USA, 64 Count

$15.98 @ Amazon.com

Feature:   High quality premium zinc air orange tab battery size 15

Brand:   Powermax USA

Model #:   98659

Size:   64-Count

Price:   $15.98

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Phonak Mercury Free Size 312 Zinc Air Hearing Aid Batteries (60 Batteries)

$26.99 @ Amazon.com

Feature:   Phonak brand Size 312 batteries

Brand:   Phonak

Size:   312

Price:   $26.99

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Power One Zinc Air Batteries Size P675 (6 pack)

$5.79 @ Amazon.com

Feature:   Power One Hearing Aid Batteries

Brand:   PowerOne

Price:   $5.79

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Powermax Size 10 Hearing Aid Batteries, Yellow Tab, Long Lasting, Made In the USA, 64 Count

$16.40 @ Amazon.com

Feature:   High quality premium zinc air yellow tab battery size 10

Brand:   Powermax USA

Model #:   98661

Size:   64-Count

Price:   $16.40

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Starkey Size 312 Premium Hearing Aid Batteries 60 Pack - Mercury-Free - Zinc Air Technology - Made in USA - Plus Keychain Battery Case

$22.99 @ Amazon.com

Feature:   PREMIUM HEARING AID BATTERIES 312 - Starkey Premium 312 Hearing Aid Batteries come extremely fresh straight from manufacturing These are made to order, therefore ensuring you receive the freshest batteries possible.

Brand:   Starkey Products

Price:   $22.99

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Power One Size 13 Batteries Zinc Air P13 (2 Pack(60 Batteries))

$38.95 @ Amazon.com

Feature:   Powerone size 10 Hearing Aid Batteries

Brand:   Power One

Model #:   BD5774

Color:   Orange

Size:   13-120 Batteries

Price:   $38.95

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Premium Batteries Zinc Air Hearing Aid Batteries ZA675 1.45V Size 675, PR44, P675 (60 Batteries)

$16.79 @ Amazon.com

Feature:   1.45V of premium plus zinc air for reliability and performance

Brand:   Premium Batteries

Model #:   4332462877

Size:   60 Batteries

Price:   $16.79

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Westinghouse Hearing aid Batteries A10, Zinc Air Batteries, Mercury Free (A10, 60 Counts)

$23.99 @ Amazon.com

Feature:   10 individual packs of 6 battery, total of 60 counts

Brand:   Westinghouse

Model #:   BD10578

Color:   A10

Size:   60 Count

Price:   $23.99

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Size 675 Hearing Aid Battery ZA675 A675 PR44 Count 18Pcs

$13.59 @ Amazon.com

Feature:   Model No:A675 Zinc Air (Zn/O2)

Brand:   PKCELL

Size:   18

Price:   $13.59

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Hillflower 12 Pieces A10 Size 10 10A PR70 Card 1.45V Heavy Duty Long Duration Hearing Aid Zinc Air Battery

$5.88 @ Amazon.com

Feature:   Size 10, A10, PR70, B010, B20PA, 10HP, DA10H, DA10N, AC230E

Brand:   Hillflower

Model #:   A10-HF-L1AC4-C12

Size:   12

Price:   $5.88

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HEARPRO Size 312 Long-Lasting Hearing Aid Batteries 120 Pack - Mercury-Free - Zinc Air Technology - Made in USA - Plus 2 Keychain Battery Case

$38.95 @ Amazon.com

Feature:   PREMIUM LONG LASTING - Hearpro 312 Hearing Aid Batteries are long lasting due of their unique freshness. Our batteries come directly from our manufacturing right when you order. Ensuring you receive the freshest and longest lasting batteries possible.

Brand:   HEARPRO

Price:   $38.95

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5pc Exell MRB625 1.35V Zinc Air Battery Z625PX PX625 PX13 V625PX

$27.85 @ Amazon.com

Feature:   Voltage: 1.35, Chemistry: Zinc Air

Brand:   Exell Battery

Price:   $27.85

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The electrolyte loses water faster in conditions of high temperature and low humidity because the potassium hydroxide electrolyte is capable of absorbing moisture from the air and dissolving it. In very humid conditions excess water accumulates in the cell, flooding the cathode and destroying its active properties.

Potassium hydroxide also reacts with atmospheric carbon(iv)oxide; the formation of the carbonate reduces electrolyte conductivity. These batteries have high self-discharge once opened to air; the cell’s capacity is intended to be used within a few weeks. The formula for the formation of this battery is:

Anode: Zn + 4OH⁻ → Zn(OH)₄²⁻ + 2e⁻ (E₀ = －1.25 V)

Fluid: Zn(OH)₄²⁻ → ZnO + H₂O + 2OH⁻

Cathode: 1/2 O₂ + H₂O + 2e⁻ → 2OH⁻ (E₀ = 0.34 V pH＝11)

Overall: 2Zn + O₂ → 2ZnO (E₀ = 1.59 V)

The zinc air battery is of two types, either primary (non-rechargeable) or secondary (rechargeable)