1. Fresh Batteries
It has been shown that batteries deteriorate over time. Make sure that the batteries that you are buying are as fresh as possible. You can usually check the batch manufacture date or the expiry date on the battery to get an idea.
Ideally each battery should be tested using a battery tester before being installed.
You would think every battery is exactly the same size. But they can vary slightly and affect the fit of the battery in the device. It is important to check the fit of your batteries in the device's battery holder.
The Oyster Mobile Gateway has the following requirements for batteries:
|3 x AA
|Input Voltage Range
|3 → 5.5V
Testing should be conducted in advance to ensure the listed batteries meet their requirements.
|Where to buy?
|Energizer Ultimate Lithium L91 - AA
- The Oyster Mobile Gateway supports LiFeS2 or Alkaline batteries.
- Energizer Ultimate Lithium are recommended
- Alkaline batteries will work - but many cheaper models are of low quality and likely to fail early. However they are a good cheap option for testing or short deployments.