Battery Shelf life & Storage


Battery Shelf Life & Storage Information

Most manufacturers set up date coding parameters & guidelines like production and expiry dates that are usually printed on the battery or its packaging. Warranties depend on the age of the battery concerned and its shelf & useable life periods.

Battery Chemistry

Shelf Life / Storage Life

Alkaline

Between 5-7 years from date of manufacture (expiry date usually on packaging and/or battery)

Carbon Zinc

2-3 years from date of manufacture (expiry date usually on packaging and/or battery)

Lithium Manganese Dioxide

– Cylindrical & 9V Type

Up to 10 years form date of manufacture (expiry date usually on packaging and/or battery).

< 1% self-discharge per year at room temperature.

Lithium Manganese Dioxide

- Coin Cell

Between 5-7 years from date of manufacture (expiry date usually on packaging and/or battery)

Lithium Sulfur Dioxide

Up to 10 years form date of manufacture (expiry date usually on packaging and/or battery)

Lithium Thoinyl Chloride

Up to 10 years form date of manufacture (expiry date usually on packaging and/or battery)

Lithium-Ion (Li-Ion)

10%-15% self-discharge per month at room temperature (usually stored with 40% sate of charge).

Irreversible capacity loss if stored for > 12 months

Lithium-Ion Polymer (SLPB)

0.5% self-discharge per day at room temperature (usually stored with 40% sate of charge). Irreversible capacity loss if stored for > 12 months

Mercury Oxide

3-4 years from date of manufacture (expiry date usually on packaging and/or battery)

Nickel Cadmium (NiCd)

– Cylindrical & prismatic

1%-2% self-discharge per day at room temperature, but will fully recover after few charge cycles. Indefinite life but Practical shelf life is 5 years.

After 6 months storage should be primed before use.

Nickel Metal Hydride (NiMH)

- Button Cell

< 20% self-discharge per month at room temperature.

Indefinite life but Practical shelf life is 5 years.

Nickel Metal Hydride (NiMH)

– Cylindrical & Prismatic

Up to 2% self-discharge per day at room temperature. Indefinite life but Practical shelf life is 5 years.

After 6 months storage should be primed before use.

Rechargeable Alkaline

4-5 years from date of manufacture (expiry date usually on packaging and/or battery).

Sealed Lead Batteries (AGM/GEL)

1 year without charging. Charging every 6 months will extend shelf life. Production date code on battery. Do not leave in discharged state. Click on link for handling & storage information. Technical - OEM Information\Panasonic SLA Handling Precaution=s.pdf

Sealed Lead Tin Batteries

Hawker Cyclon, Monobloc & Genesis

2 years without charging. Charging every 24 months will extend shelf life. Production date code on battery. Do not leave in discharged state. Click on link for handling & storage information. Technical - OEM Information\Hawker Cyclon Selection Guide.pdf

Silver Oxide

2-3 years from date of manufacture (expiry date usually on packaging and/or battery).

Zinc-Air

2 years from date of manufacture if kept in sealed packaging. Once air activation seal removed (expiry date usually on packaging and/or battery) use immediately. Keep out of warm temperatures as speeds up air activation process even with seal.

Zinc-Chloride

2-3 years from date of manufacture (expiry date usually on packaging and/or battery)


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