FT438
  • 12-volts
  • U1R Group Size
  • 50 mins @ 25 amps
  • 11 mins @ 75 amps
  • 29 AH @ 5HR
  • 35 AH @ 20HR
  • 525 CA @ 32°C
  • 438 CCA @ 0°C
FT438

FT438 High Capacity Dual Purpose AGM Battery

Cycling Capacity
20 hour rate 35 Amp Hours
Reserve Capacity
@ 25 Amps 50 minutes @ 75 Amps 11 minutes
Mechanical Specifications
Group Size U1R
Terminal Type M6
Total Height 6.57" (167 mm)
Height 6.57" (167 mm)
Width 5.16" (131 mm)
Length 7.72" (196 mm)
Weight 26.7 lbs (12.1 kg)
Case Type ABS Plastic - Flame Res Rating UL94-HB
Discharge Table (Constant Current)
Time Amps Rate
20 hr 1.8 0.05 CA
10 hr 3.3 0.1 CA
8 hr 3.8 0.13 CA
5 hr 5.9 0.25 CA
3 hr 8.7 0.33 CA
2 hr 12.4 0.5 CA
1 hr 22.2 1 CA
Electrical Specifications
Nominal Voltage 12 Volt
Capacity @ 100 hour rate 39 AH
Capacity @ 20 hour rate 35 AH
Capacity @ 10 hour rate 32 AH
Capacity @ 5 hour rate 29 AH
CCA 438
CA or MCA 525
Short Circuit Current 1332 Amps
Internal Resistance 9.4m 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
Charging Instructions Icon Charging Instructions 1.1 MB
Installation Manual Icon Installation Manual 1.7 MB
Spec-sheet Icon Spec-sheet 2.0 MB
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