BYD Battery-Box Premium HVB 20.8

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Description

Specification	Value
System Type	High-voltage battery storage system (HVB)
Usable Battery Capacity	20.7 kWh
Scalability	2–10 modules (5.9–29.6 kWh), up to 3 systems in parallel (max. 89 kWh)
Number of Battery Modules	7 modules
Nominal Voltage	358.4 V
Operating Voltage Range	280 – 403.2 V DC
Charge / Discharge Current	Depending on configuration, optimized for high efficiency
Depth of Discharge (DoD)	95 % usable capacity
Battery Technology	Lithium Iron Phosphate (LiFePO₄)
Communication	CAN / RS485
Protection Functions	Over-/undervoltage, overcurrent, over-/undertemperature (integrated)
DC Disconnect	External DC disconnect required
Operating Temperature	-10 °C to +50 °C
Humidity	Up to 95 % (non-condensing)
Ingress Protection	IP55
Cooling Method	Natural convection (passive)
Installation Type	Floor-mounted (mandatory)
Installation Location	Indoor and outdoor installation
Warranty	15-year manufacturer warranty

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