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This 48V 25Ah lithium iron phosphate battery is perfect in many solar power applications. It maintains consistent power and is equipped with an LINYI Connector terminal type and a built-in battery management system (BMS). The RB48V25 battery meets UL, CE and IEC certifications.

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

DATA SHEET

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Electrical Specifications

Nominal Voltage 51.2V
Nominal Capacity 25 Ah
Capacity @ 5A 300 min
Energy 1280 Wh
Resistence ≤70 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) 10.2 x 6.6 x 8.6” 260 x 168 x 218 mm
Weight 27.6 lbs (12.5 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 20 A
Peak Discharge Current 25 A (4 ±1 s)
VMS Discharge Current Cut-Off 60 A ±10 A (6 ±3 ms)
Recommended Low Voltage Disconnect 44V
BMS Discharge Voltage Cut-Off 40 V (2.5 ±0.1 vpc) (100 ±50 ms)
Reconnect Voltage 32 V (2.0 ±0.1 vpc)
Short Circuit Protection 400-600 μs

Charge Specifications

Recommended Charge Current 5 A
Maximum Charge Current 20 A
Recommended Charge Voltage 56.0 V - 58.4 V
BMS Charge Voltage Cut-Off 60.8 V (3.8 ±0.05 vpc)BMS Discharge Voltage Cut-Off 40 V (2.5 ±0.1 vpc) (100 ±50 ms) (1.0 ±0.5 s)
Reconnect Voltage 57.6 V (3.6 ±0.05 vpc)
Balancing Voltage 57.6 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 149 ºF (65 ºC)
Reconnect Temperature 122 ºF (50 ºC)

Compliance Specifications

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

Performance Characteristics

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