AkuBox LiFePO4 334Ah 51.2V CAN2.0/RS485 LF334 (PREO-VII26)

AkuBox LiFePO4 334Ah 51.2V

AkuBox mivvyENERGY, your solar battery

• Safe LiFePO4 technology with high energy density
• Internal Smart BMS with protection and monitoring functions and Bluetooth
• Modular, compact, and powerful battery with quick installation
• Designed for a long service life, over 4,000 cycles
• ideal as a solar battery for residential photovoltaic systems

Why is it worth pre-ordering?

By pre-ordering, you lock in the current discounted price and protect yourself from potential market fluctuations caused by cell availability and shipping costs. This price is set to reward customers who plan their projects in advance. The discounted price is valid exclusively for orders placed before the product is physically stocked.

Technical Specifications:

• Nominal voltage: 51.2V
• Nominal capacity: 334Ah
• Energy: 17.1 kWh
• Communication: CAN2.0 / RS232 / RS485
• Connectivity: Bluetooth
• Active balancing: YES
• Internal resistance: ≤ 45 mΩ @ 50% SOC
• Efficiency: > 96%
• Cycle count / lifespan: > 4,000 @ 70% DoD
• Number of parallel modules: up to 15
• Charging current: 100 A
• Maximum charging current: 120 A
• Charging voltage: 57.2 V
• BMS charging voltage limit: < 58.4 V (3.65 V / cell)
• Recharge threshold voltage: > 54.5 V (3.4 V / cell)
• Balancing voltage: < 55.2 V (3.45 V / cell)
• Maximum continuous discharge current: 200 A
• Maximum discharge current (3 seconds): 250 A
• BMS discharge current: 300 A / (300 ms)
• Switching voltage for balancing: 55.2 V (3.45 V / cell)
• Cut-off voltage for discharging: 44.8 V (2.8 V / cell)
• BMS cut-off voltage: > 43.2 V (2 s) (2.7 V / cell)
• Recharge cut-off voltage: > 49.6 V (3.1 V / cell)
• Short-circuit protection response time: 250 μs ~ 500 μs
• Certifications: CE (battery), UN38.3 (battery), UL1642 & IEC62133 (cells)
• Transport classification: UN 3480, Class 9
• Dimensions (W x H x D): 545 x 840 x 330 mm
• Weight: 135 kg (153 kg with packaging)
• Terminal tightening torque: 9 Nm ~ 11 Nm
• Housing material: SPPC
• Protection rating: IP 40
• Operating temperature / discharge: -20 °C ~ 55 °C
• Operating temperature / charging: 0 °C ~ 45 °C
• Storage temperature: -5 °C ~ 35 °C
• BMS disconnection threshold temperature: 55 °C
• BMS reconnection temperature: 45 °C

ℹ️ Multiple batteries must not be connected in series.

❗ The BMS is factory-set to specific parameters. Any unauthorized tampering or modification of the set parameters will result in permanent damage to the product and voiding of the warranty.

❓ Will this battery communicate with your inverter? Check this compatibility overview.