Charge Battery

Preliminary work:
Checking state of charge, Check Condition of Battery


Quiescent current retention unit
disconnect, connect.

Battery
disconnect, reconnect. Disconnecting and Connecting Battery

Battery
remove, install.

NOTE: On vehicles with two batteries both batteries must be removed.

Cell covers
unscrew.

Electrolyte level
check, top up distilled water if necessary.

Cell covers
screw in.

NOTE: Use battery charging room due to generation of explosive gas.

Positive terminal (+) of charger
connect to positive pole (+) on battery, disconnect.

Negative terminal (-) of charger
connect to negative pole (-) of battery, disconnect.

NOTE: On vehicles with two batteries the batteries must be charged separately.

Charger
switch on, switch off. The charging current should be max. 10 % of battery capacity, e.g. max.
10 A charging current for a 100 Ah battery.

Note for quick-charging
Unscrew cell caps.
Maximum charging current for 30 minutes 50 amperes then switch over to normal charging (see above).

Electrolyte density
measure, specification 1.28 kg/dm cu.

Electrolyte Density:

NOTE: The electrolyte density is dependent on temperature and varies by 0.01 kg/dm cu. for each 15 °C.

Examples:
Electrolyte density at 20 °C 1.28 kg/dm cu.
Electrolyte density at 35 °C 1.29 kg/dm cu.
Electrolyte density at 5 °C 1.27 kg/dm cu.

Commercially available testers
Acidimeter e.g. Hazet
Quiescent current retention unit e.g. Hans Zeheter CMP 12.2