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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). 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

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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 8.2” (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)
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 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

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