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This 12V 75 Ah lithium iron phosphate battery is often used in larger applications, including marine, RVs and electronic vehicles. It maintains consistent power and is equipped with an M8 terminal type and a built-in battery management system (BMS. The RB75 battery meets UL, UN, CE and IEC certifications.

All RELiON LiFePO4 batteries have installation flexibility, fast-charging capabilities and are maintenance free.

PRODUCT SPECIFICATIONS
  • Voltage: 12.8V
  • Amp Hours: 75Ah
DIMENSIONS & WEIGHT
  • Length: 10.2 in (260 mm)
  • Width: 6.6 in (168 mm)
  • Height: 8.6 in (218 mm)
  • Weight: 23.6 lbs (10.7 kg)
APPLICATIONS
  • AWP
  • Electric Vehicles
  • Floor Machines
  • Marine
  • Recreational Vehicles
  • Solar

DATA SHEET

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Electrical Specifications

Nominal Voltage 12.8 V
Nominal Capacity 75 Ah
Capacity @ 25A 180 min
Energy 960 Wh
Resistance ≤30 mΩ @ 50% SOC
Efficiency 99%
Self Discharge <3% per Month
Maximum Modules in Series 4

Mechanical Specifications

Dimensions (L x W x H) 10.2 x 6.6 x 8.6” 260 x 168 x 218 mm
Weight 24 lbs (10.7 kg)
Terminal Type M8
Terminal Torque 80 - 100 in-lbs (9 - 11 N-m)
Case Material ABS
Enclosure Protection IP56
Cell Type - Chemistry Cylindrical - LiFePO4

Discharge Specifications

Maximum Continuous Discharge Current 75 A
Peak Discharge Current 150 A (7.5 s ±2.5 s)
BMS Discharge Current Cut-Off 280 A ±50 A (9 ±4 ms)
Recommended Low Voltage Disconnect 11 V
BMS Discharge Voltage Cut-Off 8 V (2.0 ±0.08 vpc) (140 ±60 ms)
Reconnect Voltage 9.2 V (2.3 ±0.1 vpc)
Short Circuit Protection 200-600 µs

Charge Specifications

Recommended Charge Current 37.5 A
Maximum Charge Current 75 A
Recommended Charge Voltage 14.2 V - 14.6 V
BMS Charge Voltage Cut-Off 15.6 V (3.9 ±0.025 vpc)
(1.1 ±0.4 s)
Reconnect Voltage 15.2 V (3.8 ±0.05 vpc)
Balancing Voltage 14.4 V (3.6 ±0.025 vpc)

Temperature Specifications

Discharge Temperature -4 to 140 ºF (-20 to 60 ºC)
Charge Temperature 32 to 113 ºF (0 to 45 ºC)
Storage Temperature 23 to 95 ºF (-5 to 35 ºC)
BMS High Temperature Cut-Off 176 ºF (80 ºC)
Reconnect Temperature 122 ºF (50 ºC)

Compliance Specifications

Certifications CE (battery)
UN38.3 (battery)
UL1642 & IEC62133 (cells)
Shipping Classification UN 3480, CLASS 9

PERFORMANCE CHARACTERISTICS

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