Hoymiles HiBattery HB-4020-X LiFePO4 Battery 4kWh All-in-One Storage 2500W 4 MPPT

The HB-4020-X from Hoymiles (MPN: HB-4020-X) is a smart all-in-one LiFePO4 storage system with a 4 kWh capacity, an integrated 2,500 W inverter, and four MPPT solar inputs. The system offers maximum flexibility for single-family homes, balcony power plants, and small businesses that prioritize efficiency, safety, and easy expandability. Up to three HB-4020-S expansion batteries can be connected to increase the total capacity to up to 16 kWh.

Highlights of the HB-4020-X LiFePO4 battery

• Improved performance & higher yields: 4 kWh integrated battery, expandable up to 16 kWh. 4 MPPT and 4 kW PV input for maximum solar energy utilization. Integrated 2,500 W inverter, maximum DC/AC efficiency of 96.5%.
• Easy installation: Plug-and-play connection—the entire home system is set up in 1 minute. Flexible, stackable battery expansion for growing needs.
• Open compatibility: Compatible with Hoymiles and third-party meters (e.g., Shelly, Everhome). Open MQTT protocol for integration into third-party energy management systems.
• Maximum safety: 314 Ah LiFePO4 battery cells with over 8,000 charge and discharge cycles. The Hoymiles BMS integrates 48 protection functions, intelligent cell balancing, self-heating for low temperatures, aerosol fire suppression, a pressure relief valve, and over-temperature protection for DC connections. IP66 protection rating, DC/DC balancing at the battery level.

Intuitive installation and flexible expansion

The HB-4020-X can be installed in just one minute as a plug-and-play system. The battery is stackable—by connecting up to three HB-4020-S expansion batteries, the total capacity can be expanded to up to 16 kWh. This way, the system grows with your needs.

Smart energy management for maximum efficiency

With four MPPT inputs and an integrated inverter, the HB-4020-X can optimally capture, store, and deliver solar power. The system is compatible with modern smart meter solutions and integrates seamlessly into smart home environments. The open MQTT protocol enables flexible integration into third-party energy management systems.

Maximum safety in every application

The Hoymiles BMS offers 48 protection functions. Integrated fire suppression, a pressure relief valve, self-heating, and IP66 protection ensure safe operation even under extreme conditions. The LiFePO4 cells offer over 8,000 charge cycles for a long service life. Intelligent cell balancing further extends battery life.

What sets the system apart in everyday use?

The HB-4020-X is the control center of your energy storage system: It combines high capacity, flexible expandability, intelligent control, and maximum safety in a compact device. For everyone who values efficiency, reliability, and future-proofing.

Technical Specifications

PV Input

• Number of inputs: 4
• Number of MPPT channels: 4
• Max. PV input power: 4,000 W (4 × 1,000 W)
• Max. input voltage: 60 V
• Max. input current: 32 A per input
• MPPT voltage range: 16–60 V

AC output (integrated inverter)

• Rated output power: 800 W (standard), max. 2,500 W
• Rated output current: 3.48 A (standard), max. 10.87 A
• Rated voltage: 230 V
• Rated frequency: 50 Hz
• Max. efficiency: 96.5%

Battery

• Battery type: LiFePO4 (LFP)
• Rated energy: 4,020 Wh
• Rated capacity: 314 Ah
• Nominal voltage: 12.8 V
• Cycle life: ≥ 8,000 (at 70% SOH)
• Max. charge/discharge power: 2,000 W
• Charge/discharge temperature: –20°C to +55°C (with self-heating)

General

• Dimensions: 520 × 384 × 199 mm
• Weight: 42 kg
• Cooling: Natural convection (fanless, <20 dB)
• Protection class: IP66
• Communication: Wi-Fi, Bluetooth, MQTT

Included

1× Hoymiles HiBattery HB-4020-X LiFePO4 battery 4 kWh