
M 8536A 12V Battery Charger
Notes on rechargeable batteries
• Make sure you observe all safety instructions and charging instructions of the battery
manufacturer.
• Before connecting the battery to the battery charger, disconnect the battery from
any loads or cables (turn off the loads first!).
• Always disconnect the ground connection from the battery before disconnecting the
positive terminal.
• Disconnect the battery from the battery charger before connecting any loads to the
battery.
• When connecting or disconnecting the battery, sparks might be produced. Therefore,
make sure there is sufficient ventilation!
• Observe the polarity when connecting the battery to the battery charger. Red
charger terminal is positive (+), black charger terminal is negative (-).
• Batteries must not be short circuited or thrown into fire. Risk of fire and explosion!
• Never try to dismantle or tamper with any type of batteries!
• Lead-acid batteries contain aggressive and corrosive acids. Avoid skin or eye contact
with battery fluids!
• On skin contact, clean the affected areas thoroughly with water and soap. On eye
contact, rinse the effected eye immediately with clear and cold running water! Then
consult a doctor immediately!
Charging a Lead-acid Battery
First make sure your battery is a 12V SLA, 12V Lithium (LiFePO4), or 12V calcium
battery.
1. Do not charge batteries with different operating voltages!
2. Disconnect all loads from the battery. If the battery is installed in a vehicle, turn off
the ignition and any other loads.
NOTE: Observe the instructions and safety information of the vehicle to find out
how the vehicle battery should be charged. Modern vehicles are equipped with
sensitive electronic parts and controls that can be damaged if you do not proceed
properly!
3. Connect the battery charger to the mains power supply (200-240V a.c. 50/60 Hz).
First connect the clamp to the negative terminal and then to the positive terminal.
4. Select a function using the mode button.
5. Connect the battery charger to the battery with the correct polarity. If the polarity is
not correct, LED 6 lights up.
6. If the Charging loop is in short circuit, LED 5 flashes. If the battery is defective in any
other way LED 7 will be lit.
7. This battery charger is equipped with an automatic memory function, i.e. whenever
AC supply is connected, it starts in last selected mode.
8. After the charging process is completed, disconnect the battery charger from the
mains supply, in reverse sequence to the connecting procedure (Step 3).
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