While the battery life for hearing aids might sound like a simple question to answer, it actually varies according to many factors. One consideration is the manufacturer of the hearing aid. Battery life varies by manufacturer and also by model from the same manufacturer. The length of time your hearing aid batteries will last will also depend on the way in which you use the hearing aid – hearing aids require continuous power as long as they are on, so the more time each day you use yours, the faster you’ll go through batteries.
There are even varying battery lives in the exact same size of hearing aid battery depending on the manufacturer, and depending on if you are purchasing that manufacturer’s “premium” line or their “normal” line. Battery life also depends on battery type; for example some types are only discharging power when they are in a hearing aid that is on, while other types (such as, zinc-air batteries) start burning power as soon as you remove the adhesive strip on the bottom of the battery and they are in contact with oxygen, regardless of whether the hearing aid is turned on or not.
Because the expense of hearing aid batteries adds up, if you are looking for a new hearing aid, you should do some research to see which types and models of hearing aids have the best battery life, because that may influence your decision. If you have an existing hearing aid and are searching for the longest lasting batteries for it, the Internet can be a great source of comparative ratings and reports.
Thankfully, when shopping for hearing aid batteries, their manufacturers have made things a lot easier for you by standardizing their sizes and color-coding each size; the exact same color codes are used by all manufacturers. The following list of battery life is estimated, of course, but it may give you a basic idea of how long hearing aid batteries of each size should last:
- Size 675 – Blue – 300 hours
- Size 312 – Brown – 175 hours
- Size 13 – Orange – 240 hours
- Size 10 – Yellow – 80 hours
For the longest battery life, remember to turn your hearing aid off when you’re not wearing it. To ensure the longest shelf life for hearing aid batteries you’ve purchased but haven’t used yet, store them indoors, at room temperature, and in their original, unopened packaging.