This alternator and battery tester in a handy pocket format was designed for meaningful tests of battery
and charging systems.
ATTENTION: This tester is for 12 volt car electrical only,
never use the tester for higher voltages.
BATTERY VOLTAGE TEST
1. Switch on the ignition, do not start engine, switch on headlights for about 1 minute.
2. Switch off light and ignition. Steps 3 and 4 to do immediately after step 2
3. Link red lead to the positive battery terminal and black lead to the negative battery terminal.
4. The condition of the battery, can be read by the battery test LED and are assessed as follows:
• Red LED lights, load battery and test again. Battery is defective if after charging battery, the red LED
lights again.
• Yellow LED lights, battery OK should be charged.
• Green LED lights, battery charge level OK. No further action necessary.
CHARGING VOLTAGE TEST
1. Switch on ignition, start engine and run at idle speed.
2. Link red lead to the positive battery terminal and black lead to the negative battery terminal.
3. Switch on light and increase engine speed in a short term for about 1 sec. at 2000 rpm.
4. The condition of the charging system can be read by the charging test LED and are assessed as
follows:
• Red LED lights, charge voltage too high (eg, defective alternator regulator).
• Green LED lights, charging system OK No further action necessary.
• Yellow LED lights, charging system marginally OK, check battery.
• If only one LED for battery-test lights, there is a defect in the charging system, such as V-ribbed belts,
alternator regulator, Lima-carbon or wiring.
Disposal
Do not dispose battery in household waste. Batteries should be disposed of in a
responsible manner, they must be disposed at appropriate collection point.
Dispose of this product at the end of its working life in compliance with the EU Directive on
Waste Electrical and Electronic Equipment. Contact your local solid waste authority for
recycling information or give the product for disposal to BGS technic or to the dealer where
you purchased the product.
BGS technic KG
Bandwirkerstr. 3
D-42929 Wermelskirchen
Alternator and Battery Tester
Tel.: 02196 720480
Fax.: 02196 7204820
mail@bgs-technic.de
BGS 2189
www.bgstechnic.com
© BGS technic KG, Copying and further use not allowed