Advanced Telemetry Systems, Inc. R4500S Reference User Manual R05-11-A
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17.0 Charging the Batteries
The R4500S is using NiMH (Nickel Metal Hydride) batteries. The capacity of the battery pack is 4.0 Amp hours.
The R4500S will operate from internal batteries for approximately 18 hours for stationary mode, and approximately
11 hours for manual and aerial modes while using the GPS.
The batteries can self drain to 80% capacity during a 6 month shelf life.
It is recommended to maintain a charge cycle when storing the receiver for long periods of time. If the charge
capacity of the batteries does not seem to be at full capacity, a couple charge cycles can bring the battery pack
back to full capacity (discharge – charge – discharge – charge)
The charger supplied with the R4500S is a “smart charger”. There is a thermal sensor to detect a full charge, and
to shutdown the charge process if the battery pack overheats.
Turn OFF the power to the R4500S when charging the batteries.
When the charger is connected to the R4500S, the charging sequence will start.
A fully depleted battery pack should be charged to full capacity within 5 hours.