HC28 High Capacity Dual Purpose AGM Battery

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HC28 High Capacity Dual Purpose AGM Battery UPS Application Fullriver AGM Battery HC28 High Capacity Dual Purpose AGM Battery UPS Application Fullriver AGM Battery HC28 High Capacity Dual Purpose AGM Battery UPS Application Fullriver AGM Battery HC28 High Capacity Dual Purpose AGM Battery UPS Application Fullriver AGM Battery


Cycling Capacity
20 hour rate: 2 Amp Hours
Reserve Capacity
@ 25 Amps: 50 minutes
@ 75 Amps: 6 minutes
Mechanical Specifications
Group Size:  
Terminal Type: M6
Total Height: 4.92″ (125 mm) 
Height: 4.92″ (125 mm) 
Width: 6.93″ (176 mm) 
Length: 6.50″ (165 mm) 
Weight: 23.6 lbs (10.7 kg) 
Case Type: ABS Plastic – Flame Res Rating UL94-HB
Electrical Specifications
Nominal Voltage: 12 Volt 
Capacity @ 100 hour rate: 31 AH 
Capacity @ 20 hour rate: 28 AH 
Capacity @ 10 hour rate: 25 AH 
Capacity @ 5 hour rate: 23 AH 
CCA: 410 Amps 
CA or MCA: 530 Amps 
PHCA: 925 Amps 
Short Circuit Current: 1300 Amps 
Internal Resistance: 6.6 m Ω

Discharge Table (Constant Current)

Time Amps Rate
20 hr 1.6 0.05 CA
10 hr 2.5 0.1 CA
8 hr 3 0.13 CA
5 hr 4.6 0.25 CA
3 hr 7 0.33 CA
2 hr 9.4 0.5 CA
1 hr 16.8 1 CA

Charge Voltages

Charge Stage Battery Voltages-12V Battery Voltages-24V Battery Voltages-36V Battery Voltages-48V
Bulk 14.7 V 29.4 V 44.1 V 58.8 V
Absortion 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 7.1 – 8.0 85 – 95 9.6 – 10.7
DT (stud) | M10M (stud) 9.2 – 10.4 110 – 125 12.2 – 14.0

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