Description
Model |
Voltage
|
CCA (Amps)
|
Ah (@ C20)
|
RC (in mins)
|
Weight (kg)
|
Terminals
|
Dimensions** (L x W x H)(mm)
|
34M
|
12
|
800
|
50
|
110
|
17.5
|
Dual –
|
254x171x199
|
D34M
|
12
|
750
|
55
|
120
|
19.6 |
Dual –
|
254x171x199 |
D27M
|
12
|
800 |
66 |
140 |
24.4 |
Dual –
|
309x173x222 |
D31M
|
12
|
900 |
75
|
155 |
27.3
|
Dual –
|
329x171x238 |
*Specifications may change without notice **Dimensions are overall maximum and include all handles
OPTIMA® BLUETOP® D27M Ultra high-performance SPIRALCELL TECHNOLOGY® AGM (absorbent glass mat) dual-purpose battery for marine and RV. BLUETOP® has three times the cycling capability (rechargeability) with ultimate cranking power for your boat or RV in a maintenance-free package. Perfect for multiple high-demand accessories and trolling motors with 15 times the vibration resistance and lighter weight. Lower internal resistance provides more efficient power output and faster recharges.
The OPTIMA® model number for this battery is D27M. If you are replacing an OPTIMA® battery you already have, this model is the same as batteries marked 8027-127, 9027-127, BLUES27M, SC27DM, or N99D27MBLUE.
Warranty: 2 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: |
D27M |
Part Number: |
8027-127 |
NSN: |
Number applied for, product currently available |
UPC Code: |
8 11405 00166 6 |
Performance Data
|
Cold Cranking Amps: |
800 |
Cranking Amps: |
1000 |
Nominal Voltage: |
12 volts |
Open Circuit Voltage (fully charged): |
13.1 volts |
Internal Resistance (fully charged): |
0.0025 ohms |
Capacity: |
66 Ah (C/20) |
Reserve Capacity: |
BCI: 140 minutes (25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off) |
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“ Blue |
Group Size: |
BCI: 27 |
Post Type: |
Dual SAE & 5/16 Stainless Stud |
Weight: |
24.4 KG |
Length: |
307 mm |
Width: |
172 mm |
Height: |
222 mm |
Power
|
CCA (BCI 0°F): |
800 amps |
MCA (BCI 32°F): |
1000 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: D27M
These batteries are designed for starting and deep cycle 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. |
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 3 amp constant current for 1 hour.
All limits must be strictly adhered to. |
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