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Technical Information About Internal Battery; Battery Tests - Teltonika FMB640 Manual

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2 W max.
Current consumption at 24 V
Battery charge current
Operating temperature (without battery)
Storage temperature (without battery)
Storage relative humidity
Device + case + battery weight
Dimension drawing:

Technical information about internal battery

Internal back-up battery
Ni-MH rechargeable battery
Batteries are covered by 6 month
CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
Battery should not be disposed of into general household waste.
Bring damaged or worn-out batteries to your local recycling center or dispose them into a
battery recycle bin commonly found in supermarkets.

Battery tests

The amount of time the device will work from internal battery depends on the battery health, how
often the device saves/sends information to the server, external peripherals connected to the device
and the results may also differ depending on firmware used.
For general comparison purpose, and to see what results can be achieved, you can refer to the
following internal test results in different modes and sending frequencies:
Min Period (data
Mode:
saving
frequency)
Operatin
10 seconds
g
Operatin
60 seconds
g
GPRS: average 35 mA
Nominal: average 20 mA
GNSS sleep: average
12,5 mA
Deep Sleep: average 3,8
mA
Online Deep Sleep:
average 1,3 mA
Average 55 mA
-40..+85
-40..+85
5..95% (no condensation)
197 g
Battery
voltage (V)
8.4~10.0
warranty
support.
Send Period
(data sending
frequency)
60 seconds
60 seconds
Nominal
Charging
Capacity
temperature
(mAh)
550
Starting
Cut off
Voltage
Voltage
10,1V
8,3V
10,2V
8,3V
(°C)
0 – 45
Time achieved
471 min (7 hours
51 minutes)
546 min (9 hours
16 minutes)

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