BYD Battery-Box Premium HVB 8.9

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Description

Specification	Value
System Type	High-voltage battery storage system (HVB)
Usable Battery Capacity	8.9 kWh
Scalability	2–10 modules (5.9–29.6 kWh), up to 3 systems in parallel (max. 89 kWh)
Number of Battery Modules	3 modules
Nominal Voltage	153.6 V
Operating Voltage Range	120 – 172.8 V DC
Charge / Discharge Current	Max. 50 A, 98 A peak (15 s)
Depth of Discharge (DoD)	95 % usable capacity
Battery Technology	Lithium Iron Phosphate (LiFePO₄, cobalt-free)
Communication	CAN / RS485
Protection Functions	Over-/undervoltage, overcurrent, over-/undertemperature (integrated)
DC Disconnect	External DC disconnect required
Operating Temperature	-20 °C to +50 °C
Humidity	5 % – 95 % (non-condensing)
Ingress Protection	IP55
Cooling Method	Natural convection (passive)
Installation Type	Floor-mounted (mandatory)
Installation Location	Indoor and outdoor installation
Dimensions (H × W × D)	691 × 610 × 225 mm (3 modules + BCU)
Warranty	15-year manufacturer warranty

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