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receive charge, but a sealed AGM or standard lead-acid battery is expected to receive charge
during every hour of maintenance. See page 2 for % State Of Charge by battery type.
STEP 6:
Float charge (30 min) at a safe voltage limit of 13.6V and current up to 2A is available.
NOTE: If a sudden high loss of charge is detected (e.g. vehicle ignition turned on, or engine starting up
whilst the OptiMate remains connected) the program may revert to STEP 3 to bring the battery back to
full charge before continuing with
24-7 battery maintenance.
Maintaining a battery for extended periods:
The OptiMate will maintain a battery whose basic
condition is good, for months at a time. At least once every two weeks, check that the connections
between the charger and battery are secure, and, in the case of lead-acid batteries with filler caps on
each cell, disconnect the battery from the charger, check the level of the electrolyte and if necessary,
top up the cells
(with distilled water, NOT acid)
, then reconnect. When handling batteries or in their
vicinity, always take care to observe the SAFETY WARNINGS described under the section IMPORTANT
SAFETY INSTUCTIONS.
Charging time:
The time required for the OptiMate 2 DUO to complete a charge on a flat but
otherwise undamaged battery is roughly equal to 0.5x the battery’s Ah rating, so a 42Ah battery
should take no more than about 21 hours to progress to Step 4. Deep-discharged batteries may take
significantly longer.
ECO POWER SAVING MODE WHEN THE CHARGER IS CONNECTED TO AC SUPPLY:
The power
converter switches to ECO mode when the charger is not connected to a battery resulting in a very low
power draw of less than 0.5W, equivalent to power consumption of 0.012 kWh per day. When a battery
is connected to the charger power consumption depends on the current demand of the battery and its
connected vehicle / electronic circuitry. After the battery has been charged and the charger is in long
term maintenance charge mode (to keep the battery at 100% charge) the total power consumption is
estimated to be 0.060 kWh or less per day.
