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This 24V 52Ah lithium iron phosphate battery is perfect in many applications, including marine and electric vehicles. It maintains consistent power and is equipped with an M8 terminal type and a built-in battery management system (BMS). The RB24V52 battery meets UL, CE and IEC certifications.

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

  • Voltage: 25.6V
  • Amp Hours: 52Ah
  • Length: 13 in (329 mm)
  • Width: 6.8 in (172 mm)
  • Height: 8.4 in (214 mm)
  • Weight: 29.1 lbs (13.2 kg)
  • AWP
  • Floor Machines
  • Marine
  • Solar


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Electrical Specifications

Nominal Voltage 25.6 V
Nominal Capacity 52 Ah
Capacity @ 25A 120 min
Energy 1280 Wh
Resistance ≤60 mΩ @ 50% SOC
Efficiency 99%
Self Discharge <3% per Month
Maximum Modules in Series 1 (Single Use)

Mechanical Specifications

Dimensions (L x W x H) 13.0 x 6.8 x 8.4” (329 x 172 x 214 mm)
Weight 29.1 lbs (13.2 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 50 A
Peak Discharge Current 100 A (7.5 s ±2.5 s)
BMS Discharge Current Cut-Off 215 A ±15 A (10 ±5 ms)
Recommended Low Voltage Disconnect 22 V
BMS Discharge Voltage Cut-Off 16 V (2.0 ±0.08 vpc) (20 ±6 ms)
Reconnect Voltage 20 V (2.5 ±0.05 vpc)
Short Circuit Protection 200-600 µs

Charge Specifications

Recommended Charge Current 2.5 A - 25 A
Maximum Charge Current 50 A
Charge Current 32ºF to 14ºF (0 to -10 ºC) ≤0.1 C
Charge Current -4ºF to 14ºF (-20 to -10 ºC) ≤0.05 C
Recommended Charge Voltage 28.4 V - 29.2 V
BMS Charge Voltage Cut-Off 31.2 V (3.9 ±0.025 vpc)
(1.1 ±0.4 s)
Reconnect Voltage 30.4 V (3.8 ±0.05 vpc)
Balancing Voltage 28.8 V (3.6 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 UN38.3 (battery)
CE (battery)
UL1642 (cells) (File# MH64523)
IEC62133 (cells)
Shipping Classification UN 3480, CLASS 9



How to Read RELiON's Data Sheets

We know that Data Sheets can sometimes be confusing, overwhelming, or difficult to decipher. In this Tech Video, one of our experts breaks down how to easily read our Data Sheets.

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See How Our RB24V52 is Used for Drone Battery Charging

Drone Racing

Paul Nurkkala


Ever since Paul Nurkkala (aka “Nurk”) received a drone toy from his family back in 2014, the entire course of his life changed. Born and raised in Minnesota, he never imagined he’d travel the world, including to Saudi Arabia, Iceland and Singapore, to race in and consistently win drone racing competitions. A trained software developer, Paul has always loved the technical challenge of both building and racing drones. Paul recently took his racing to the next level with RELiON lithium batteries, which have enabled him to train more efficiently and for longer periods of time - anytime, anywhere.

Learn more about Paul Nurkkala


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