What You Should Be Aware Of And Observe When Testing A Starter Battery; General Notes - Bosch 0 684 400 703 Betriebsanleitung

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3. What you should be aware of and observe when testing a starter battery
3.1 General notes
The portable and mains-independent battery
tester, developed for mobile applications, is
load-free testing 12 Volt start bat-
used for
teries.
You can check the battery both in the
vehicle as well as when this is not installed in
the vehicle. The applications foreseen for the
battery tester range from the car workshop,
MOT testing stations, petrol stations to the
retail battery trade.
!
The battery tester is designed for 12 Volt star-
ter batteries
ries are classified as undervoltage; for 36 Volt
batteries an overvoltage is recognized and
the device is automatically switched off.
i
The battery need not be charged before being
tested. The battery tester must be connected
to the battery terminals.
1 689 979 868 (2005-10-07)
only (Pb lug/VRLA). 6 Volt batte-
Battery test preview:
The aim of the battery test is to detect starting
batteries with significantly reduced starting
power before they break down completely
(starting no longer possible) and to have
them replaced by a new battery.
Measurement method:
The battery tester determines the test data
from the charging state values at any given
time (derived from battery voltage) and star-
ting power. In other words, it can categorise
a discharged battery with low battery voltage
and a starting power of 45 % as being "good"
and another charged battery with a high bat-
tery voltage and a starting power of 75 % as
needing to be "Battery unserviceable".
Starting power:
Production tolerances mean that the starting
power for batteries may lie above the stated
cold starting current, i.e. a fully-charged
battery could well have a starting power in
excess of 100 %.
0 684 400 703
Robert Bosch GmbH