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Description

ELECTRICAL SPECIFICATIONS MECHANICAL SPECIFICATIONS    
Nominal Voltage 12.8 V Dimensions (L x W x H) 7.1 x 3.0 x 6.7” 181 x 76 x 169 mm
Nominal Capacity 20 Ah Weight 5.6 lbs (2.55 kg)
Capacity @ 25A 48 min Terminal Type M6 x 1.0
Energy 256 Wh Terminal Torque 35 – 44 in-lbs (4 – 5 N-m)
Resistance ≤60 mΩ @ 50% SOC Case Material ABS
Efficiency 99% Enclosure Protection IP66
Self Discharge <3% per Month Cell Type – Chemistry Cylindrical – LiFePO4
Maximum Modules in Series 3 Dimensions (L x W x H) 7.1 x 3.0 x 6.7” 181 x 76 x 169 mm
Nominal Voltage 12.8 V Weight 5.6 lbs (2.55 kg)
Maximum Modules in Series 3

 

DISCHARGE SPECIFICATIONS CHARGE SPECIFICATIONS
Maximum Continuous Discharge Current 20 A Recommended Charge Current 1 A – 10 A
Peak Discharge Current 40 A (7.5 s ±2.5 s) Maximum Charge Current 20 A
BMS Discharge Current Cut-Off 70 A ±10 A (20 ±5 ms) Charge Current 32ºF to 14ºF (0 to -10 ºC) ≤0.1 C
Recommended Low Voltage Disconnect 11 V Charge Current -4ºF to 14ºF (-20 to -10 ºC) ≤0.05 C
BMS Discharge Voltage Cut-Off 8 V (2.0 ±0.08 vpc) (140 ±60 ms) Recommended Charge Voltage 14.2 V – 14.6 V
Reconnect Voltage 10 V (2.5 ±0.10 vpc) BMS Charge Voltage Cut-Off 15.2 V (3.8 ±0.025 vpc) (1.1 ±0.4 s)
Short Circuit Protection 200-500 µs Reconnect Voltage 14.4 V (3.6 ±0.025 vpc)
  Balancing Voltage 14.4 V (3.6 ±0.025 vpc)

 

TEMPERATURE SPECIFICATIONS COMPLIANCE SPECIFICATIONS
Discharge Temperature -4 to 140 ºF (-20 to 60 ºC) Certifications CE (battery)
Charge Temperature* -4 to 113 ºF (-20 to 45 ºC) UN38.3 (battery)
Storage Temperature 23 to 95 ºF (-5 to 35 ºC) UL1642 & IEC62133 (cells)
BMS High Temperature Cut-Off 158 ºF (70 ºC) Shipping Classification UN 3480, CLASS 9
*Refer to charge currents below 0°C (32°F) *Refer to charge currents below 0°C (32°F)

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