RB75

This 12V 75Ah 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). 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: 8.3 in (210 mm)
  • Weight: 23.6 lbs (10.7 kg)
APPLICATIONS
  • AWP
  • Electric Vehicles
  • Floor Machines
  • Marine
  • Recreational Vehicles
  • Solar

DATA SHEET

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 8.2” (260 x 168 x 210 mm)
Weight 23.6 lbs (10.7 kg)
Terminal Type M8 x 1.25
Terminal Torque 80 – 100 in-lbs (9 – 11 N-m)
Case Material ABS
Enclosure Protection IP66
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 3.7 A – 37.5 A
Maximum Charge Current 75 A
Charge Current 32º to 14ºF (0 to -10 ºC) ≤0.1 C
Charge Current -4º to 14ºF (-20 to -10 ºC) ≤0.05 C
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* -4 to 113 ºF (-20 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)
*Refer to charge currents below 0°C (32°F)  

Compliance Specifications

Certifications CE (battery)
  UN38.3 (battery)
  UL1642 (cells) (File# MH64523)
  IEC62133 (cells)
Shipping Classification UN 3480, CLASS 9