Caution: The engine must not be run with the battery disconnected, otherwise electrical components may be damaged.
Precautions: Never short-circuit the positive and negative terminals of the battery. If short-circuited, the battery will heat up and may crack. Do not use open fire near the battery. Battery electrolyte is very corrosive. It should not come into contact with eyes, skin or clothing and, if necessary, wash off the electrolyte with water.
The battery is also charged in the installed state, but first you need to disconnect both wires.
Please note: This will erase the data from the injection system control unit, as well as the codes and settings from the radio transmitter.
Before charging, check the electrolyte level and, if necessary, add distilled water.
A frozen battery must be defrosted before charging. A charged battery freezes at approximately -65°C, a half-charged battery at approximately -30°C, and a discharged battery at approximately -12°C.
♦ Unscrew the plugs from the battery or pry them off with a small screwdriver and place the plugs on the holes to prevent electrolyte splashes from getting on the paint during charging.
Charge the battery only in a well-ventilated area. When charging the installed battery, keep the hood open.
Connect the charger wires to the battery contacts, observing the polarity.
The temperature of the electrolyte during charging should not exceed 55°C, if necessary, stop charging or reduce the charging current. If the battery is discharged for too long, it can no longer be fully charged, and sometimes it is impossible at all. In these cases, the battery must be charged for a very long time with a low current and finally check the density of the electrolyte.
♦ During normal charging, the charging current is approximately 10% of the battery capacity (for a battery with a capacity of 50 Ah - about 5 A). The charging time will be approximately 10 hours.
♦ Charging continues until gases (hydrogen) are released from all the cans and there is strong "boiling" inside, and during three consecutive measurements with an interval of 1 hour between them, the density of the electrolyte and the voltage of the battery do not increase.
♦ After charging, check the electrolyte level and, if necessary, add distilled water.
♦ Check the density of the electrolyte. If the density value in one of the cans is noticeably lower than in the others (for example, in 5 cans - 1.26 g/ml, and in one - 1.118 g/ml), then the battery is faulty and needs to be replaced.
♦ Wait 20 minutes for all gases to escape from the battery, then replace the plugs.