Industrial and commercial ESS -261kWh |

PRODUCT PARAMETERS

Product model	UBT-261K-FPA-DM
Battery parameters
Cell type	LFP-3.2V-314Ah
System nominal capacity	261.248kWh
Voltage range	728-936Vdc
Rated charge/discharge current	0.5C
Battery cluster grouping method	1P20S*13
Cycle life	≥8000times（25±2℃，0.5C，EOL≥80%）
Photovoltaic parameters
Maximum rated power	120kW（1st MPPT）
Input voltage range	250~850Vdc
Maximum input current	200A
Short-circuit current	220A
Ac parameters (grid-connected）
Maximum input power	170kW (load + charging)
Voltage range on the grid side	AC 400V/AC 230V (-20% to 15%)
Wiring method	3L/N/PE
Maximum input current	250A
Rated grid frequency	50Hz/60Hz
Total current waveform distortion rate	＜3% (rated power)
Power factor	-1 to 1 (adjustable)
And off-network switching time	＜10ms
Ac parameters (off-grid)
Rated power	125kW
Ac off-grid voltage	AC400V/AC230V
Maximum alternating current	200A
Rated grid frequency	50Hz/60Hz
Three-phase unbalance degree	100%
Diesel Generator Connection
Rated power	0~180kVA
Ac off-grid voltage	AC400V（-20%~15%）
Maximum alternating current	181A
Rated frequency	50Hz/60Hz
System parameters
Weight	2800kg（TBD）
Cabinet size	1800W1550D2100H
Maximum efficiency	≥87% (exchange side, 25 ± 2℃, 0.5C)
Air conditioning power	5kW (cooling), 3kW (heating)
Working environment temperature	Discharge: -15~50℃; Charging: 0~50℃
Working environment humidity	5~95% (no condensation)
Protection grade	IP54
Anti-corrosion grade	C3
Cooling method	Intelligent air-cooling
Noise	≤70dB
Altitude	≤2000m (for heights above this, the capacity will be reduced)
Fire protection	Aerosol
Communication	Ethernet, WIFI, 4G
Certification	IEC62619，UN38.3，IEC 62477，IEC61000