NARDA IDA, Operating Manual, Page: 23 / 292

2.8 Rechargeable batteries
Narda IDA - 3106
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2.8 Rechargeable batteries
The IDA - 3106 is fitted with a replaceable rechargeable Lithium-ion battery
so that you can use it independently of AC line power. The device also has
an internal NiMH buffer battery which will power the device for 10 seconds
so you can replace the rechargeable battery during operation (hot swap).
You cannot access this buffer battery.
2.8.1 Storage
CAUTION
Unsuitable environmental conditions
Excessive temperatures and humidity can lead to a short circuit
which can result in a fire, which may cause injury or destroy the
battery pack.

Make sure that the storage conditions are within the following limits:
– Temperature: -10 °C to +50 °C
– Air humidity: 0 % to 80 %
 Check regularly to ensure that the storage temperature and humidity
are within the prescribed limits.

Do not leave discharged batteries in the instrument for an extended
period of time.
 Do not store the batteries for more than 6 months without recharging
them in the meantime.

Do not store the batteries together with any other metallic objects.

Long-term storage can reduce the battery capacity and shorten battery
life. The casing can also be damaged internally by leaking electrolyte.