---
path: "p/CV030174/hoymiles-hione8bg3-high-voltage-battery"
locale: en-gb
alternates:
    nl-nl: "https://www.estg.eu/nl-nl/p/CV030174/hoymiles-hione-8b-g3-hoogvolt-batterij"
    en-gb: "https://www.estg.eu/en-gb/p/CV030174/hoymiles-hione8bg3-high-voltage-battery"
    x-default: "https://www.estg.eu/en-gb/p/CV030174/hoymiles-hione8bg3-high-voltage-battery"
    pl-pl: "https://www.estg.eu/pl-pl/p/CV030174/hoymiles-hione8bg3-akumulator-wysokiego-napiecia"
    de-de: "https://www.estg.eu/de-de/p/CV030174/hoymiles-hione8bg3-hochvoltbatterie"
    fr-fr: "https://www.estg.eu/fr-fr/p/CV030174/hoymiles-hione8bg3-batterie-haute-tension"
    it-it: "https://www.estg.eu/it-it/p/CV030174/hoymiles-hione8bg3-batteria-ad-alto-voltaggio"
    sv-se: "https://www.estg.eu/sv-se/p/CV030174/hoymiles-hione8bg3-hogspanningsbatteri"

title: "Hoymiles HiOne-8B-G3 High Voltage Battery (8kWh)"
description: "Scalable 8kWh LFP storage for residential projects. Features 314Ah cells, built-in optimizers, and IP66 protection. Order at ESTG."

type: product_page

---

# Hoymiles HiOne-8B-G3 High Voltage Battery - Art.No.: CV030174

## Specifications

- **Barcode**: 6975514333736
- **Brand**: Hoymiles
- **HS code**: 85076000
- **Manufactor**: Hoymiles
- **Net Height**: 255 MILLIMETER
- **Net Length**: 620 MILLIMETER
- **Net Weight**: 67 KILOGRAM
- **Net Width**: 360 MILLIMETER
- **Origin**: China
- **Battery capacity**: 8 KILOWATT
- **Ingress Protection**: IP66
- **Number of phases**: 3 phase
- **System**: Hoymiles HiOne-series
- **Voltage battery**: High
- **Warranty in Years**: 10

## Hoymiles HiOne-8B-G3 High Voltage Battery - 8kWh


The HiOne battery features 314 Ah large-capacity cells, built-in optimizers for mixed old/new pack usage, multi-layer safety protection, and self-heating technology for low-temperature operation.


Equipped with 314 Ah large-capacity cells, the HiOne battery delivers extended cycle life and enduring performance for daily deep cycling. Its built-in optimizers support mixed use of new and old battery packs, maximizing system scalability and reducing long-term maintenance complexity.


Multi-layer protection mechanisms ensure comprehensive electrical safety against overcurrent and thermal challenges. Additionally, the self-heating technology allows reliable operation even in extreme cold, keeping the battery performing when temperatures drop. With an IP66 rating, it is perfectly suited for both indoor and outdoor installations.


### Key Features:


- **High-Capacity Cells**: 314 Ah cells ensure extended life and enduring performance.
- **Safety First**: Multi-layer protection mechanisms for comprehensive electrical safety.
- **Intelligent Scalability**: Built-in optimizers allow mixing of old and new packs.


### Technical Specifications:





**Feature**
**Specification**


**Battery type**
LiFePO4


**Capacity per module**
8 kWh


**Cell capacity**
314 Ah


**Max. number per tower**
4 modules (32 kWh)


**Rated power**
4 kW (charging/discharging)


**Protection degree**
IP66


**Operating temperature**
-20°C to +55°C


**Warranty**
10 years

## Downloads

- [Hoymiles HiOne Series Datasheet](https://cdn.estg.eu/p/b/e/d/4/bed480d906b7b0097c69e6c6d2b37b158e1621bd_Hoymiles_HiOne_Series_Datasheet.pdf)
- [Hoymiles HiOne Series User Manual](https://cdn.estg.eu/p/8/3/f/4/83f4178831d4a634c1d4da0a7f9479ef06a721f3_Hoymiles_HiOne_Series_User_Manual.pdf)
- [Hoymiles HiOne Series Quick Installation Guide](https://cdn.estg.eu/p/7/0/9/f/709fecbcb133491e2e699b2301918aee79440f37_Hoymiles_HiOne_Series_Quick_Installation_Guide.pdf)