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Optimate 4 [7/28] Program 1 standard

PROGRAM 1 - STANDARD

VERY FLAT NEGLECTED BATTERIES: If the battery is deeply discharged (and possibly sulfated), remove from the

vehicle and inspect the battery before connecting the charger for a recovery attempt.

The charger’s TURBO recovery mode cannot engage if it senses that the battery is still connected to a vehicle wiring circuit

which effectively offers a lower electrical resistance than the battery on its own. However, if the deep-discharged battery is not

removed for recovery, neither battery nor vehicle electronics will be damaged. Pay particularly close attention to the following

which is especially important for relatively small batteries such as those used on motorcycles, lawn tractors, jet-ski’s,

snowmobiles and similar: A battery left deep-discharged for an extended period may develop permanent damage in one or more

cells. Such batteries may heat up excessively during high current charging.

Monitor the battery temperature during the first hour, then hourly there-after. Check for unusual signs, such as bubbling or leaking

electrolyte, heightened activity in one cell compared to others, or hissing sounds. If at any time the battery is uncomfortably hot to

touch or you notice any unusual signs, DISCONNECT THE CHARGER IMMEDIATELY.

PRE-QUALIFICATION TEST: LEDs #5 / 6 / 7

TEST LEDs #5/6/7 indicate the condition of the battery prior to charging. Charging commences after 10 seconds.

Consult the “EARLY WARNING OF BATTERY PROBLEMS” table on page 2 (illustration 2) for TEST LED indications.

LED #7 (red) flashing: OptiMate 4 is injecting a test signal to see if the battery is recoverable. Once the indication becomes

steady for up to 10 seconds charging will commence. If flashing continues the battery cannot be successfully recovered.

SAVE / DESULPHATE: LED #3

This mode engages if during pre-qualification LED #7 (red) or LED #6 (yellow) or both indicated. The program will

determine the correct charge mode. Charge time: Minimum 15 minutes, maximum 2 hours.

STANDARD recovery for neglected batteries - Up to 16V is applied with current limited to 0,2A. If the battery is

unable to accept a charge TURBO recovery will engage after 5 seconds. Batteries able to accept 0.2A of charge

current will advance to PULSE recovery.

TURBO recovery for very badly neglected batteries - Output voltage increases to a maximum of 22V with

current limited to 0.2A.

PULSE recovery -final 15 minutes - Current up to 0.8A is delivered in pulses to prepare the battery to accept

normal charge. This mode is particularly effective for recovery of factory activated / “hi-performance” pure lead or

cyclic cell AGM batteries.

CHARGE: LED #4

BULK charge - A constant current of 0.8A up to a voltage of 14.2 -14.4V is delivered to the battery.

FINAL charge - Pulsed absorption step: Current is delivered in pulses, varying between 0.2 and 0.8A and up to a voltage of 14.2

- 14.4V, to bring the battery to full charge in the shortest possible time. Verification step: Once the current demand is less than

0.2A the charging voltage is now limited at 13.6V whilst the battery's charge level is verified.

If the battery requires further charging the program will revert to pulsed absorption.

If the battery has accepted as much charge as its basic condition allows the voltage retention step follows.

NOTE: For safety reasons there is an overall charge time limit of 48 hours.

VOLTAGE RETENTION TEST: LED #5 flashing

Delivery of current to the battery is interrupted for 30 minutes to allow the program to determine the battery's ability to retain

charge. For batteries with a good state of health LED #5 (green) should continue to flash for the full 30 minute period. Consult the

“EARLY WARNING OF BATTERY PROBLEMS” table on page 2 for LED indications other than LED #5 (green).

A significant problem exists if the battery is unable to retain sufficient charge during the 30 minute test period. Read the section

NOTES ON TEST RESULTS on reasons for poor test results or how to test a battery that returns a good result but cannot deliver

sufficient power once it is returned to service.

MAINTENANCE CHARGE: LED #5 / 6 / 7 steady on

For 30 minutes the circuit offers current to the battery within a safe 13.6V voltage limit whilst the result of the voltage retention

test is displayed. Consult the “EARLY WARNING OF BATTERY PROBLEMS” table on page 2 for LED indications other than LED

#5 (green). The 30 minute float charge maintenance periods follow and alternate wih the 30 minute VOLTAGE RETENTION TEST

periods until the battery is disconnected. A more detailed description of the automatic maintenance cycle for long term battery

storage can be found under the section AUTOMATIC BATTERY MAINTENANCE.

Optimate 4 [7/28] Program 1 standard

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