DC55-12
  • 12-volts
  • 22NF Group Size
  • 96 mins @ 25 amps
  • 21 mins @ 75 amps
  • 45 AH @ 5HR
  • 55 AH @ 20HR
  • 480 CA @ 32°C
  • 400 CCA @ 0°C
DC55-12

DC55-12 Deep-Cycle AGM Battery

Cycling Capacity
20 hour rate 55 Amp Hours
Reserve Capacity
@ 25 Amps 96 minutes @ 75 Amps 21 minutes
Mechanical Specifications
Group Size 22NF
Terminal Type M6
Total Height 8.35" (212 mm)
Height 8.19" (208 mm)
Width 5.43" (138 mm)
Length 9.02" (229 mm)
Weight 39.0 lbs (17.7 kg)
Case Type ABS Plastic - Flame Res Rating UL94-HB
Discharge Table (Constant Current)
Time Amps Rate
20 hr 2.75 0.05 CA
10 hr 5 0.1 CA
8 hr 6 0.13 CA
5 hr 8.7 0.25 CA
3 hr 12.5 0.33 CA
2 hr 16.6 0.5 CA
1 hr 31.3 1 CA
Electrical Specifications
Nominal Voltage 12 Volt
Capacity @ 100 hour rate 61 AH
Capacity @ 20 hour rate 55 AH
Capacity @ 10 hour rate 50 AH
Capacity @ 5 hour rate 45 AH
CCA 400
CA or MCA 480
Short Circuit Current 1160 Amps
Internal Resistance 8m Ω
Charge Voltages
Battery Voltages
Charge Stage 12V 24V 36V 48V
Bulk 14.7 V 29.4 V 44.1 V 58.8 V
Absorption 14.7 V 29.4 V 44.1 V 58.8 V
Float 13.6 V 27.2 V 40.8 V 54.6 V
TC Factor: -4mV/°C/cell
Temperature Range Specifications
Condition Recommended Maximum
Storage -15°C to 50°C -40°C to 71°C
Operation -15°C to 40°C -40°C to 71°C
Charge with TC -15°C to 50°C -40°C to 71°C
Charge without TC 0°C to 40°C -15°C to 50°C
Terminal Torque Specifications
Terminal Type ft-lbs in-lbs Nm
AP | DT (AP) | M6 | M6M (stud) | TP07 (AP) | TP08 (AP) 4.2 - 6.0 50-70 5.6 - 7.9
FR45 6.0 - 7.5 70-90 7.9 - 10.1
M8 | LT 7.1 - 8.0 85-95 9.6 - 10.7
DT (stud) | M10M (stud) 9.2 - 10.4 110-125 12.2 - 14.0
  Name Size
Brochure Icon Brochure 2.2 MB
Charging Instructions Icon Charging Instructions 1.1 MB
Installation Manual Icon Installation Manual 1.7 MB
Performance Data Icon Performance Characteristics 326.6 KB
Spec-sheet Icon Spec-sheet 813.2 KB
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