BYD Battery-Box HVE 4.2 is one 4.29 kWh lithium iron phosphate module for the current HVE high-voltage system. Manufacturer article 17161354-00 identifies the exact module offered.

One expansion module, not a one-module tower

This offer contains one HVE 4.2 module only. HVE 4.2 cannot be used by itself as a documented one-module tower. A working system requires an approved multi-module HVE configuration, the current HVE BCU, prescribed mounting or base parts, a compatible BYD Power-Box inverter, electrical protection, cabling and professional commissioning; all are selected separately.

Verified module data

• Manufacturer article: 17161354-00
• Usable energy: 4.29 kWh
• Nominal voltage: 76.8 V DC
• Dimensions: 345 x 660 x 140 mm
• Weight: 42.6 kg
• Cell chemistry: lithium iron phosphate (LiFePO4 / LFP)
• System communication: CAN / RS485

Documented HVE configurations

The current documentation starts HVE 4.2 configurations with two modules and allows HVE 4.2 and HVE 6.4 modules to be combined only in the listed arrangements. One tower accepts up to four modules and reaches 23.58 kWh; up to three identical towers provide a documented maximum of 70.74 kWh. At system level, the specification states 35 A maximum charge/discharge current, 70 A peak for 10 seconds, at least 95% round-trip efficiency, natural convection, IP65, indoor or outdoor wall/floor installation and -20 °C to +55 °C operation.

Compatibility and stock

The current datasheet lists BYD Power-Box SH3-6K and BYD Power-Box TH5-15K configurations. Exact module mix, BCU, firmware, inverter and warranty compatibility are confirmed before order acceptance. The module is held in European supplier stock.

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