RB24V40

24V 40ah Deep Cycle Lithium Battery

This 24V 40Ah lithium iron phosphate battery is perfect in many renewable energy applications. It maintains consistent power and is equipped with an M8 terminal type and a built-in battery management system (BMS). The RB24V40 lithium solar battery meets UL, CE and IEC certifications.

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

PRODUCT SPECIFICATIONS

• Voltage: 25.6V
• Amp Hours: 40Ah

DIMENSIONS & WEIGHT

• Length: 10.2 in (260 mm)
• Width: 6.6 in (168 mm)
• Height: 8.3 in (210 mm)
• Weight: 29.1 lbs (13.2 kg)

APPLICATIONS

• Solar

 

DATA SHEET

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ELECTRICAL SPECIFICATIONS
Nominal Voltage	25.6 V
Nominal Capacity	40 Ah
Capacity @ 25A	96 min
Energy	1024 Wh
Resistance	≤40 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 8.3” (260 x 168 x 210 mm)
Weight	29 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	30 A
Peak Discharge Current	70 A (7.5 s ±2.5 s)
BMS Discharge Current Cut-Off	120 A ±15 A (9ms)
Recommended Low Voltage Disconnect	22 V
BMS Discharge Voltage Cut-Off	16 V (2.0 ±0.08 vpc)
Reconnect Voltage	18.4 V (2.0 ±0.08 vpc)
Short Circuit Protection	200-600μs

CHARGE SPECIFICATIONS
Recommended Charge Current	2 A - 10 A
Maximum Charge Current	30 A
Recommended Charge Voltage	28.0 V - 29.2 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	31.2 V (3.9 ±0.025 vpc)
Reconnect Voltage	30.4 V (3.8 ±0.05 vpc)
Balancing Voltage	28.8 V (3.6 vpc)
*Refer to charge currents below 0°C (32°F)

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	167 ºF (75 ºC)
Reconnect Temperature	149 ºF (65 ºC)

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

Performance Characteristics