Caring for Camera Batteries: How to Use and Store Them Correctly?

Properly storing camera batteries is crucial for maintaining their longevity and ensuring they are ready for use when needed. Whether you are a professional photographer or an amateur enthusiast, understanding the best practices for battery storage can save you time, money, and frustration. In this article, we will explore various aspects of storing camera batteries, including the types of batteries, storage conditions, and maintenance tips to keep them in optimal condition.

Understanding Camera Battery Types

Before diving into storage techniques, it is essential to understand the different types of camera batteries. The most common types are:

1. Lithium-Ion (Li-Ion) Batteries: These are the most popular due to their high energy density, lightweight, and long lifespan. They are commonly used in DSLRs, mirrorless cameras, and other high-end devices.

2. Nickel-Metal Hydride (NiMH) Batteries: These are often used in older camera models and some point-and-shoot cameras. They are rechargeable but have a lower energy density compared to Li-Ion batteries.

3. Alkaline Batteries: These are non-rechargeable and typically used in low-end or disposable cameras. They are not ideal for long-term use due to their limited lifespan and lower energy output.

Cautions: Using Batteries

Precautions for Use

• If improperly handled, batteries may rupture or leak, causing the product to corrode. Observe the following precautions when handling batteries:

  • Turn the product off before replacing the battery.
  • Batteries may be hot after extended use.
  • Keep the battery terminals clean.
  • Use only batteries approved for use in this equipment.
  • Do not short or disassemble batteries or expose them to flame or excessive heat.
  • Replace the terminal cover when the battery is not inserted in the camera or charger.
• If the battery is hot, for example immediately after use, wait for it to cool before charging. Attempting to charge the battery while its internal temperature is elevated will impair battery performance, and the battery may not charge or charge only partially.
• Batteries in long-term storage should be charged to about 50% at least once a year. Do not charge the battery to 100% before returning it to storage. A fully-exhausted battery will charge to around 50% in about half the time needed to charge it to 100%.
• Remove the battery from the camera or charger when not in use. The camera and charger draw minute amounts of charge even when off and could draw the battery down to the point that it will no longer function.
• Do not use the battery at ambient temperatures below −10 °C (14 °F) or above 40 °C (104 °F). Failure to observe this precaution could damage the battery or impair its performance. Charge the battery indoors at ambient temperatures of 5 °C–35 °C (41 °F–95 °F). The battery will not charge if its temperature is below 0 °C (32 °F) or above 60 °C (140 °F).
• Capacity may be reduced and charging times increase at battery temperatures from 0 °C (32 °F) to 15 °C (59 °F) and from 45 °C (113 °F) to 60 °C (140 °F).
• Batteries in general exhibit a drop in capacity at low ambient temperatures. Even fresh batteries charged at temperatures under about 5 °C (41 °F) may show a temporary increase from “0” to “1” in the setup menu [Battery info] age display, but the display will return to normal once the battery has been recharged at a temperature of about 20 °C (68 °F) or higher.
• Battery capacity drops at low temperatures. The change in capacity with temperature is reflected in the camera battery-level display. As a result, the battery display may show a drop in capacity as the temperature drops, even if the battery is fully charged.
• Batteries may be hot after use. Observe due caution when removing batteries from the camera.

Charge Batteries Before Use

Charge the battery before use. The supplied battery is not fully charged at shipment.

Ready Spare Batteries

Before taking photographs, ready a spare battery and keep it fully charged. Depending on your location, it may be difficult to purchase replacement batteries on short notice.

Have Fully-Charged Spare Batteries Ready on Cold Days

Partially-charged batteries may not function on cold days. In cold weather, charge one battery before use and keep another in a warm place, ready to be exchanged as necessary. Once warmed, cold batteries may recover some of their charge.

Battery Level

• Turning the camera on or off repeatedly when the battery is fully discharged will shorten battery life. Batteries that have been fully discharged must be charged before use.
• A marked drop in the time a fully charged battery retains its charge when used at room temperature indicates that it requires replacement. Purchase a new rechargeable battery.

Do Not Attempt to Charge Fully-Charged Batteries

Continuing to charge the battery after it is fully charged can impair battery performance.

Long-Term Storage

• Dedicated Storage Area: If you need to store batteries for an extended period, designate a specific area for battery storage. This area should be cool, dry, and away from direct sunlight.
• Labeling: Label your batteries with the date of purchase and the last charge date. This helps you keep track of their age and maintenance schedule.

Recycling Used Batteries

Recycle rechargeable batteries in accord with local regulations, being sure to first insulate the terminals with tape.

Troubleshooting Common Issues

Reduced Capacity

Swelling or Leakage