FAQ
-
Q:What is the Hoymiles HiOne All-in-One BESS?A:
The Hoymiles HiOne All-in-One BESS is an integrated residential energy storage solution that combines a hybrid inverter, battery storage and an energy management system (EMS) in one compact unit. It helps households store excess solar energy, optimize energy use and access backup power when configured with compatible backup equipment.
-
Q:What are the main benefits of the HiOne All-in-One BESS?A:
HiOne combines a compact design, modular battery expansion and simplified installation in one integrated solution. Key benefits include plug-and-play battery stacking, intelligent commissioning, flexible storage capacity and support for whole-home or partial-home backup with the appropriate gateway configuration.
-
Q:Can I expand the HiOne battery storage capacity?A:
Yes. The HiOne battery features a stackable design, supporting up to four battery packs per supported configuration. Users can choose between 6 kWh and 8 kWh battery modules according to their energy storage requirements. The maximum supported system capacity depends on the approved battery combination and inverter configuration. Consult the latest compatibility documentation before planning an expansion.
-
Q:Can I expand the HiOne battery capacity in the future?A:
Yes. HiOne features a stackable battery design, supporting up to eight battery packs per inverter in compatible configurations. The system also supports mixing compatible 6 kWh and 8 kWh battery modules, with automatic state-of-charge (SOC) balancing. Always check the applicable model documentation for supported combinations and expansion limits.
-
Q:Is the HiOne All-in-One BESS compatible with rooftop solar PV systems?A:
HiOne is designed to integrate solar PV generation with battery storage and household energy management. Depending on the inverter model, it supports up to four MPPTs, helping accommodate different roof orientations and PV string configurations. Maximum PV voltage, input current and recommended PV capacity vary by model and must be verified against the relevant datasheet.
-
Q:Can HiOne help reduce electricity bills?A:
HiOne can help households increase solar self-consumption by storing excess solar energy for use when PV generation is lower. Where supported by local electricity tariffs and system settings, stored energy may also be used to manage time-of-use electricity costs. Actual savings depend on electricity rates, solar generation, household consumption, battery capacity and operating settings.
-
Q:Does HiOne support whole-home backup during a power outage?A:
Yes. HiOne supports whole-home and partial-home backup when configured with a compatible Hoymiles gateway. The backup design, supported loads and available backup power depend on the inverter model, battery configuration, electrical installation and local requirements. A qualified installer should assess the household's loads to determine the appropriate setup.
-
Q:How can I monitor and manage the HiOne system?A:
HiOne supports intelligent commissioning and system monitoring through Hoymiles' supported digital platform, including S-Miles Home App functionality where available. Depending on the configuration, users and installers can access system information and commissioning tools. Available features and connectivity options may vary by product version and market.
-
Q:What safety features does the HiOne system include?A:
HiOne integrates multiple electrical protection functions, including arc-fault circuit interruption (AFCI), anti-islanding protection, PV reverse-polarity protection, residual current monitoring, AC overvoltage and undervoltage protection, short-circuit protection, and Type II DC and AC surge protection. Its battery design also incorporates multiple layers of protection. Specific functions and compliance requirements depend on the model and market.
-
Q:Can HiOne be installed indoors or outdoors?A:
HiOne models feature an IP66 protection rating and support wall-mounted or floor-standing installation, subject to the specific model and installation instructions. The suitable location depends on operating temperature, humidity, clearances, ventilation and local installation requirements. Always consult the applicable product datasheet before selecting an indoor or outdoor installation site.