Description
Model |
Voltage
|
CCA (Amps)
|
Ah (@ C20)
|
RC (in mins)
|
Weight (kg)
|
Terminals
|
Dimensions** (L x W x H)(mm)
|
D51R-T1
|
12
|
450
|
38
|
66
|
11.8
|
– JIS small
|
238x129x229
|
D51R-T2
|
12
|
450
|
38
|
66
|
11.8 |
– SAE
|
238x129x229
|
D51-T1
|
12
|
450
|
38 |
66
|
11.8
|
JIS small –
|
238x129x229
|
D51-T2
|
12
|
450
|
38
|
66
|
11.8
|
SAE –
|
238x129x229
|
D75/25
|
12
|
650
|
48
|
98
|
16
|
SAE –
|
238x173x199
|
D35
|
12
|
650
|
48
|
98
|
16.6
|
– SAE
|
238x173x199
|
D34
|
12
|
750
|
55
|
120
|
19.6
|
SAE –
|
254x171x199
|
D34/78
|
12
|
750
|
55
|
120
|
19.9
|
SAE – |
254x173x199
|
D27F
|
12
|
830
|
66
|
140
|
24.4
|
– SAE
|
309x173x222
|
D31A
|
12
|
900
|
75
|
155
|
27.3
|
Centre SAE
|
329x171x238
|
D31T
|
12
|
900
|
75
|
155
|
27.3
|
Centre stud
|
329x171x238
|
*Specifications may change without notice **Dimensions are overall maximum and include all handles
OPTIMA® YELLOWTOP® D51R Ultra high-performance SPIRALCELL TECHNOLOGY® AGM (absorbent glass mat) dual-purpose deep-cycle and starting battery. OPTIMA® YELLOWTOP® batteries have three times the cycling capability (rechargeability) with ultimate cranking power for your auto, car or truck to outperform traditional batteries. Perfect for powering heavy electrical loads, including winches, audio systems, inverters, and other demanding vehicle accessories and electronics. Lower internal resistance provides more efficient power output and faster recharges.
The OPTIMA® model number for this battery is D51R. If you are replacing an OPTIMA® battery you already have, this model is the same as batteries marked 8073-167, 9073-167, 27952, YEL51R, 256735, SC51RDA, or N9951RYEL.
Warranty: 3 years private use, all OPTIMA® have their warranty details on the top label and are honoured by the warranty stated on that label.
Battery Model: |
D51RT1 |
Part Number: |
8073-167 |
NSN: |
Number applied for, product currently available |
UPC Code: |
8 11405 00008 9 |
Performance Data
|
Cold Cranking Amps: |
450 |
Cranking Amps: |
575 |
Nominal Voltage: |
12 volts |
Open Circuit Voltage (fully charged): |
13.1 volts |
Internal Resistance (fully charged): |
0.0046 ohms |
Capacity: |
38 Ah (C/20) |
Reserve Capacity: |
BCI: 66 minutes (25 amp discharge, 80°F (26.7°C ), to 10.5 volts cutoff) |
Physical Characteristics
|
Plate Design: |
High purity lead-tin alloy. Wound cell configuration utilizing proprietary SPIRALCELL TECHNOLOGY®. |
Electrolyte: |
Sulfuric acid, H2SO4 |
Case: |
Polypropylene |
Case Color: |
Light Gray |
Cover Color: |
“OPTIMA“ Yellow |
Group Size: |
BCI: 51 |
Post Type: |
SAE Post |
Weight: |
11.8 KG |
Length: |
238 mm |
Width: |
129 mm |
Height: |
228 mm |
Power
|
CCA (BCI 0°F): |
450 amps |
MCA (BCI 32°F): |
575 amps |
Recommended Charging
|
The following charging methods are recommended to ensure a long battery life:
(Always use a voltage regulated charger with voltage limits set as described below.)
Model: D51 and D51R
These batteries are designed for starting and deep cycling applications and for use in
vehicles with large accessory loads. |
Recommended Charging Information
|
Alternator: |
13.65 to 15.0 volts |
Battery Charger: |
13.8 to 15.0 volts; 10 amps maximum; 6-12 hours approximate |
Float Charge: |
13.2 to 13.8 volts; 1 amp maximum (indefinite time at lower voltages) |
Rapid Recharge (Constant voltage charger): |
Maximum voltage 15.6 volts. No current limit as long as battery temperature remains below 125°F (51.7°C). Charge until current drops below 1 amp. All limits must be strictly adhered to. |
Cyclic or Series String Applications:: |
14.7 volts. No current limit as long as battery temperature remains below 125°F (51.7°C). When current falls below 1 amp, finish with 2 amp constant current for 1 hour. |
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