2201R Mobile Tester User Guide
Chapter 2 Instrument setup and general operation
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Battery option
The 2201R Mobile Tester can be supplied with a ‘smart’ rechargeable battery pack (option part number 46885/721),
which forms part of the rear panel of the instrument. If your 2201R is fitted with this option, the following usage
instructions apply for the battery pack.
Spare batteries may be ordered under part number 43113/024.
Shipping mode
The battery is delivered in its shipping mode, which means that it displays no measurable charge and the status
display on the battery is off.
As soon as power is applied to the battery (either from the instrument or from an external charger), the battery is
activated.
Charging
The 2201R starts charging the battery as soon as the DC supply is connected to the DC In socket on the rear panel.
This happens whether or not the instrument is powered up. The battery charges fully in less than five hours.
When the battery reaches 100% charge level, charging stops in order to preserve battery life. Charging resumes again
when the charge level drops below approximately 94%.
Battery life
If the 2201R is powered by the battery only, it will run for typically 2 to 2.5 hours. The instrument switches off when
the battery’s remaining state of charge reaches 4%.
Battery charge indication
The battery has a built-in LED display that shows information about the its state of charge.
CAUTION
Do not charge the battery at temperatures below 5°C. This can seriously degrade the life of the
battery.
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