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1a
1b
2
STEP 8
LED #5 : BLUE
TUNE
OPTIMIZE
cell
5
balancing
4
State Of
Charge:
3
75% - 100%
STEP 9
LED #6 : GREEN
Bms
Bms
25.6V
State Of
Charge
1a
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1b
LFP / LiFePO
TEST
2
TUNE
5
4
3
STEP 10
LED #6 / 7 / 8
Bms
Bms
OptiMATE
1a
25.6V
24-7
1b
2
12 3456 78
Maintain
LFP / LiFePO
TUNE
5
4
3
Bms
Bms
TUNE
25.6V
12 3456 78
LFP / LiFePO
1a
Important!
A Lithium
battery has
less
Amp-hour
capacity
than a
standard
battery. Use
LEDs #6 / 7 / 8
only when
battery is
75% or
1a
1b
more
2
charged!
TUNE
5
NOTES ON TEST RESULTS: The voltage of a cooled battery is directly proportional to its State Of Charge
percentage (SOC%). Immediately following charging a battery may briefly hold a higher voltage, as charging
4
6
3
6
7
8
This final charge mode starts when the voltage has reached 28.8V for
the first time during STEP 7.
The ampmatic™ current control program now delivers pulses of
current to equalise the individual cells within the battery and
optimizes charge level.
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Minimum charge time is influenced by initial State Of Charge as
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measured during STEP 3, varying between 10 minutes for a battery
24-7
24-7
with 80% or higher state of charge to the maximum of 120 minutes
for a battery with 40% or less.
TEST after charge : Delivery of current to the battery is
interrupted for 30 minutes** to allow the program to determine
the battery's ability to retain charge.
** IF charging started in SAVE mode (LED #3) the voltage retention
24-7
24-7
6
7
4
8
LED #6 (green) will remain on for batteries able to hold 90% or
higher state of charge (SOC%), otherwise the TEST result is
adjusted lower (LED #7, LED #8) in real time according to the
measured battery voltage. Consult the table on page 2 to match TEST
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24-7
24-7
LED indication to an estimated state of charge percentage (SOC%).
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Also read section "NOTES ON TEST RESULTS" below.
according to final voltage measured at termination of STEP 9.
The MAINTENANCE CHARGE CYCLE consists of 30 minute charge
24-7
24-7
periods followed by and alternating with a 30 minute 'rest' periods,
6
7
during which there is no charge current.
8
4
During the 30 minute charge cycles current is delivered only if the
battery has lost charge.
The BATTERY REFRESH CYCLE is performed if the charger detects
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the battery has suddenly lost significant charge. The program reverts
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to STEP 8 (LED #5) before returning to STEP 9 and STEP 10 .
Read section MAINTAINING A LITHIUM BATTERY FOR EXTENDED
PERIODS.
LED #1b
TUNE battery support mode, for engine tuning or diagnosis :
A fixed 27.2V is delivered, with up to 4 Amps of current available to
prevent or slow down battery disharge.
4
1b
TO ACTIVATE: With OptiMate Lithium connected and charge mode in
2
STEP 8 or higher, press button for 3 seconds until LED #1b and LED
TUNE
#6, #7 and #8 light together.
LED indication during TUNE mode:
5
LED #6, #7, #8 = power draw is normal.
24-7
24-7
4
LED #7 & #8 = Power draw is exceeding what OptiMate Lithium can
deliver on its own, the battery also delivering power and discharging.
3
LED #8 = WARNING! Battery is down to 10% SOC, with an
estimated 1-2 minutes support remaining. If battery loses further
Bms
Bms
charge TUNE mode will automatically de-activate and CHARGE STEP
24-7
24-7
4 (LED #3) will re-activate.
6
25.6V
7
TO DE-ACTIVATE MANUALLY and return to CHARGE program : Place
8
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and hold finger on Select button. After 3 seconds standard charging
LFP / LiFePO
& 24-7 maintenance will resume.
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24-7
24-7
test is extended to 12 hours to confirm battery health.
MAINTENANCE CHARGE: LED #6 / 7 / 8 steady on
24-7
24-7
24-7
24-7
6
7
8
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