BYD Power Box SH3/3.7/4.6/5/6kW

BYD Power-Box SH 3 / 3.7 / 4.6 / 5 / 6K – Single-Phase Hybrid Inverter

The BYD Power-Box SH3 series is a powerful hybrid inverter line designed for residential solar + battery systems. With models ranging from 3 kW up to 6 kW, this inverter integrates PV generation, battery storage, and backup functionality into a compact, efficient package.

Key Features

• High Efficiency & Reliability – Up to 97.7% maximum efficiency ensures excellent conversion of solar energy into usable AC output.

• Dual MPPT & Oversizing Support – Two MPPT channels allow flexibility in string layout, and the inverter supports up to 200% PV oversizing for future-proofing.

• Strong Backup Capability – Seamless transition between grid and off-grid in under 13 ms, with 200% peak output for surges during backup mode.

• Battery Integration – Compatible with BYD Battery-Box HVE systems, with a battery charge/discharge current up to 35 A.

• Smart Monitoring & Firmware Updates – Offers 24/7 remote monitoring, over-the-air (OTA) firmware updates, and diagnostic tools.

• All-in-One Safety & Build – Includes DC Type II and AC Type III surge protection, arc-fault detection, and a quiet, naturally-cooled design

Technical Highlights (Typical for SH3 Series)

• PV Input Range / Voltage: 80 ~ 550 V (Start up at 120 V)

• Rated AC Output: 3 kW / 3.68 kW / 4.6 kW / 5 kW / 6 kW (models vary)

• Backup Output: 2× rated power for short durations, < 13 ms switchover time.

• Protection & Safety Standards: Anti-islanding, over-/under-voltage, overcurrent, surge protection, residual current monitoring, insulation monitoring.

• Operating Range: –25 °C to +60 °C, IP65 enclosure, naturally cooled (no fan)

• Dimensions & Weight: 480 × 480 × 180 mm, ~20 kg

Why Choose the BYD Power-Box SH3?

The SH3 series offers a balanced combination of performance, flexibility, and compact design. It is ideal for homeowners who want to harness solar + battery and expect strong backup capability during grid outages. With smart monitoring, dual MPPT, and peak power support, it's built to support modern energy needs — especially when paired with BYD Battery-Box HVE systems.

Datasheet_BYD-Power-Box-SH3-6K-V1_EN.pdf