RB48V25

48V 25Ah LiFePO4 Battery

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

PRODUCT SPECIFICATIONS

• Voltage: 51.2V
• Amp Hours: 25Ah

DIMENSIONS & WEIGHT

• Length: 10.2 in (260 mm)
• Width: 6.6 in (168 mm)
• Height: 8.3 in (210 mm)
• Weight: 27.6 lbs (12.5 kg)

APPLICATIONS

• Solar

 

DATA SHEET

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ELECTRICAL SPECIFICATIONS
Nominal Voltage	51.2V
Nominal Capacity	25 Ah
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 8.2” (260 x 168 x 210 mm)
Weight	27.6 lbs (12.5 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	20 A
Peak Discharge Current	25 A (4 ±1 s)
BMS 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	1.25 A - 12.5 A
Maximum Charge Current	20 A
Recommended Charge Voltage	56.0 V - 58.4 V
Charge Current 32ºF to 14ºF (0 to -10 ºC)	≤0.1 C
Charge Current -4ºF to 14ºF (-20 to -10 ºC)	≤0.05 C
BMS Charge Voltage Cut-Off	60.8 V (3.8 ±0.05 vpc)
	(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*	-4 to 113 ºF (-20 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)
*Refer to charge currents below 0°C (32°F)

COMPLIANCE SPECIFICATIONS
Certifications	UN38.3 & CE (battery)
	UL1642 (cells) (File# MH62098)
	IEC62133 (cells)
Shipping Classification	UN 3480, CLASS 9

Performance Characteristics