Mercedes-Benz 1049 Handbuch Seite 14

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Charging cycle
Legend for the „Charging cycle" illustration
(1) Initial test
The battery charger tests the chargeability of the connected
battery. This prevents a charging cycle being started on a
faulty battery.
(2) Main part
The charging process is carried out with a maximum current
until 80 % of battery capacity is reached.
(3) Absorption
The charging process is continued with decreasing current
until 100 % battery capacity is reached.
(4) Analysis
The battery charger tests whether the connected battery
can hold the charge. Batteries that cannot hold their charge
need to be replaced; see „Fault description".
(5) End
The charging process is concluded.
(6) Maximisation
The charging process is concluded with maximum voltage
up to 100 % battery capacity.
(7+8) Trickle charge
(7) The battery voltage is kept at its maximum level by being
charged at a constant voltage.
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(8) The battery capacity is maintained at 95-100 %. The
battery charger monitors the battery voltage and gives a
charging impulse whenever necessary to maintain the
charge.
Duration of the charging process
12 V lead acid batteries:
The table shows the duration of the charging process for
discharged batteries up to approx. 80 % of the battery
capacity.
Battery size (Ah)
20
60
110
Lithium batteries
The table shows the duration of the charging process for
discharged batteries up to approx. 90 % of the battery
capacity.
Battery size (Ah)
8
20
60
Note
Please note that charge times can be longer at low
temperatures.
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M+P-03F-8539
Duration (h)
4
12
26
Duration (h)
2
5
16