Growatt APX HV Battery 2.0
A modular high-voltage LFP battery from 5 to 30 kWh for single- and three-phase systems, with a cable-free design and a built-in heating film.
- Best for modular upgrades
- Installed battery
- 5 to 30 kWh
- IP66
- Made by Growatt.
- Energy: 5 to 30 kWh (MOD-HU); Growatt says more models are coming.
- Modular: one base takes up to six modules, and old and new modules or different states of charge can be mixed.
- LFP chemistry, IP66 and a built-in heating film for -20 to 55 °C.
- Growatt shows ARK XH only as a label on its inverter pages; this page covers the APX HV Battery 2.0 instead.
Not tested by us
We have not tested the Growatt APX HV Battery 2.0. The figures on this page come from the sources listed at the end of the page, checked on 10 November 2026, and we do not show prices. "Best for" is based on what the maker says the product is designed for, not on our own tests.
Key figures
5-30 kWh
Capacity range
6 modules
Per base
IP66
Protection rating
Specifications
Last checked on 10 November 2026. The grey text under each name explains what the value means.
| Specification | Value |
|---|---|
| Storage | |
| CapacityHow much energy the battery stores. Bigger means longer runtime or more of your own solar power used later. | 5 to 30 kWh (MOD-HU); more models are said to be coming |
| Usable capacityThe part of the stored energy you can actually use. It is lower than the nominal capacity. | Not stated in the sources we read |
| Depth of dischargeHow much of the battery can be emptied without harming it. 90% means 10% is kept in reserve. | Not stated in the sources we read |
| Battery chemistryLFP (lithium iron phosphate) cells are known for long life and stable behaviour with heat. | LFP (lithium iron phosphate) |
| Cycle lifeHow many full charge and discharge cycles the cells are rated for before they hold less than the stated share of their original capacity. | Not stated in the sources we read |
| ExpansionExtra battery units that add storage to the same system. | A single base supports up to six modules; new and old modules, or modules at different states of charge, can be mixed (module-level energy optimiser) |
| Power | |
| Charge and discharge powerHow fast the battery can take in and give out energy. It sets how many devices it can serve at once. | Not stated in the sources we read |
| Round-trip efficiencyThe share of the energy you put in that comes back out. The rest is lost as heat. | Not stated in the sources we read |
| Backup in a power cutWhether it can keep selected circuits running during a grid outage. | Not stated in the sources we read |
| Solar | |
| Solar inverterTurns the DC power from solar panels into AC for the home. Built in means no separate solar inverter is needed. | None: this is the battery only. Growatt describes a unified master module for single-phase and three-phase systems and does not name inverters on this page |
| Connection and housing | |
| Grid connectionThe supply type it is built for. Check it matches your home's supply. | Not applicable: the battery connects to an inverter (single-phase or three-phase systems via the master module) |
| Dimensions (W × H × D)Width, height and depth of the unit, so you can check that it fits. | Not stated in the sources we read |
| WeightMatters for lifting, wall mounting and moving it. | Not stated in the sources we read |
| Protection ratingIP ratings show protection from dust and water. IP55 and IP65 are rated for outdoor-style exposure; check the installation guidance. | IP66; modular fire protection with aerosol suppression |
| Operating temperatureThe range it is rated to work in. Cold and heat can reduce performance. | -20 to 55 °C, with a built-in heating film |
| ConnectivityHow you monitor and control it, usually through an app. | Not stated in the sources we read |
| CertificationsSafety and grid standards the maker says the product meets. | Not stated in the sources we read |
| Warranty | |
| WarrantyThe period the maker covers. Read the terms: conditions and capacity guarantees differ. | Not stated in the sources we read |
Compatible with
What Growatt says this product works with. Anything not listed here is not confirmed.
- Phases
- A unified master module works with single-phase and three-phase systems.
- Mixed modules
- New and old modules, or modules with different states of charge, can be used together.
Rules where you live
This is not a plug-in battery. An installed battery normally needs a qualified electrician, and in many countries you must also tell your grid operator, especially if it can export. Rules, incentives and tax treatment differ by country: see our country guides for what applies where you live.
Strengths and things to check
Strengths
- 5 to 30 kWh from one modular system
- Mix old and new modules or different states of charge
- IP66 with a built-in heating film, -20 to 55 °C
- Cable-free modular design with fire protection
Worth checking before you buy
- Growatt's product page gives few figures; power, efficiency, size and weight are not shown there
- A battery only: you need a compatible inverter as well
- No warranty length on the product page
- ARK XH, the name some installers still use, is not a separate product page on Growatt's site
Change log
We record changes to this page here, so you can see when figures such as the warranty were last updated.
- 10 November 2026
- Page published. Warranty at publication: not stated on the Growatt product page. Growatt's datasheet (APX 5.0-30.0M-S3, September 2026) was not readable as text, so figures that only appear there are shown as not stated.
Where this information comes from
We have not tested this battery. Every figure above comes from Growatt's APX HV Battery 2.0 product page, last checked on 10 November 2026. Growatt's datasheet for this battery is a PDF that did not load as text, so values that only appear there are shown as not stated. Growatt's website shows ARK XH only as a label on inverter pages, so we cover the APX HV Battery 2.0, which has its own page.
We do not show prices, because they depend on the installer's quote.
- Manufacturer Growatt APX HV Battery 2.0 product page
Spotted an error?
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Common questions about Growatt APX HV Battery 2.0
Is the Growatt ARK the same as the APX HV Battery 2.0?
No. Growatt's site now shows ARK XH only as a label on its MIN XH2 inverter page and has no ARK product page. The APX HV Battery 2.0 is the high-voltage battery with its own page, so this page covers that.
How much can the APX HV Battery 2.0 store?
Growatt lists 5 to 30 kWh (MOD-HU), with more models coming. One base supports up to six modules.
Does it include an inverter?
No. It is a battery only. Growatt does not name compatible inverters on the product page, so ask your installer which inverter it pairs with.
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