GivEnergy Batteries: An Independent UK Buyer's Guide

Who is GivEnergy?

GivEnergy is a UK-based manufacturer and importer of battery storage and hybrid inverter equipment, headquartered in Newcastle-under-Lyme, Staffordshire. The company designs and specifies its products in the UK while manufacturing takes place through contracted overseas facilities, a model common across the battery storage industry.

Over the past several years GivEnergy has built one of the larger installer networks in the UK residential solar and battery market, and its products are widely fitted alongside both new solar PV installations and retrofit battery-only projects. It is not the only UK-focused manufacturer, but it is one of the most frequently specified by independent installers.

This page is written independently by OffPeak Energy. We are not affiliated with GivEnergy, and nothing here should be read as a manufacturer claim — where we cite a specification or warranty term, we recommend you verify it against GivEnergy's current published documentation before ordering.

A note on pricing and rates

Rates and pricing change — always check the manufacturer or installer's current terms. Correct as of July 2026.

The price ranges quoted throughout this article are TYPICAL FITTED UK price bands drawn from general market observation of installed battery storage costs, not GivEnergy's own pricing. Installer quotes vary by region, property type, scaffolding needs, existing electrical infrastructure and the installer's own margins.

The GivEnergy product range

GivEnergy's residential range centres on two approaches: an integrated All-in-One unit that combines battery and hybrid inverter in a single cabinet, and a modular Gen 3 system where a separate hybrid inverter is paired with one or more stackable battery cabinets.

The All-in-One is a 13.5 kWh nominal capacity unit that houses LFP (lithium iron phosphate) cells and a hybrid inverter in one enclosure, aimed at installers who want a simpler single-box install with a smaller footprint than a stacked system.

The Gen 3 modular battery range is sold in a number of nominal capacities — commonly cited as 5.2 kWh, 9.5 kWh, 13.5 kWh and 16 kWh — which can be combined in some configurations to reach higher total storage, paired with GivEnergy's Gen 3 Hybrid Inverter, available in single-phase and three-phase variants to suit different property electrical setups.

For homes that already have solar PV installed via a non-GivEnergy inverter, GivEnergy also offers AC-coupled retrofit options — including the AC3 battery — which connect to the existing consumer unit rather than requiring the solar inverter to be replaced. This is often the more practical route for retrofitting a battery to an existing solar array.

GivEnergy also produces an EV charger designed to integrate with its battery and inverter ecosystem, allowing charging schedules to draw from stored battery energy or cheap overnight import rates rather than only from the grid at peak times.

Warranty: what's published, and what to check

GivEnergy's headline warranty figure widely quoted for its more recent battery products is 12 years. As with any manufacturer warranty, the exact terms — including whether it covers the full 12 years at full capacity, what depth-of-discharge or cycle limits apply, and whether registration steps are required — can vary between product generations and change over time.

Before ordering, ask your installer for GivEnergy's current warranty documentation for the specific model and generation you are being quoted, in writing, and confirm what happens to the warranty if the installer later ceases trading — some warranties are manufacturer-backed regardless of installer status, others are not.

Depth of discharge, chemistry and everyday use

GivEnergy's modern battery products use LFP (lithium iron phosphate) cell chemistry, which is now the industry-standard choice for domestic storage due to its stability and cycle life compared with older NMC chemistries. LFP batteries from GivEnergy and other manufacturers are commonly specified with a usable depth of discharge at or close to 100%, meaning the nominal capacity is largely usable in practice, subject to the battery management system reserving a small buffer.

Owners manage the system through GivEnergy's app, which displays state of charge, household consumption, solar generation (where fitted) and battery charge/discharge scheduling. The app also allows manual or automated scheduling of charge windows, which matters if you're on a time-of-use import tariff such as Economy 7 or an EV-specific tariff.

Third-party integrations: Home Assistant and Predbat

One factor that distinguishes GivEnergy within the UK market is the size of its active user and developer community around third-party control tools. GivEnergy publishes an API that has enabled community-built integrations with Home Assistant, the popular open-source home automation platform, and with Predbat, a community-developed battery prediction and control add-on that can automate charge/discharge scheduling around variable tariffs and solar forecasts.

This ecosystem is a genuine differentiator for technically-minded owners who want more granular control than the stock app offers, though it does involve some setup effort and isn't officially supported in the same way as the core app.

Reputation: what's commonly discussed in owner communities

We don't publish star ratings or review scores — invented or otherwise — because independently verified, comparable review data for battery installations isn't reliably available at scale. Instead, here's a qualitative summary of what recurs in owner forums and installer commentary.

Positives commonly cited include a large and active installer network (making it easier to find a local fitter and get warranty support), frequent firmware updates that have added features over time, and one of the more active third-party developer communities in the UK market.

Points commonly discussed less favourably include occasional firmware or app-related friction reported by some owners after updates — such as temporary display glitches or scheduling settings resetting — which GivEnergy has generally addressed through subsequent firmware releases. This is a pattern seen across most battery manufacturers with app-connected hardware, not unique to GivEnergy, and shouldn't be read as a scored complaint.

Typical UK fitted prices

The following are TYPICAL FITTED UK price bands for battery storage of these approximate capacities, inclusive of installation, and should not be read as GivEnergy's own pricing — get a specific quote for an accurate figure.

A roughly 5 kWh system typically costs around £4,000-£5,000 fitted. A roughly 9.5-10 kWh system typically costs around £6,000-£7,500 fitted. A 13.5 kWh All-in-One or equivalent modular system typically costs around £8,000-£9,000 fitted.

These bands currently benefit from 0% VAT on qualifying battery storage installations in Great Britain, which is scheduled to run until 31 March 2027 — see our guide to the 0% VAT deadline for details.

How to decide between All-in-One and Gen 3 modular

The All-in-One suits buyers who want a single, simpler cabinet with a fixed capacity and a compact footprint — a common choice for smaller utility spaces or garages. The Gen 3 modular range suits buyers who may want to expand storage later, or who need a specific inverter phase configuration (single-phase or three-phase) to match their property's electrical supply.

If you already have solar panels installed with a non-GivEnergy inverter, the AC-coupled retrofit route (such as the AC3) generally avoids the cost and disruption of replacing your existing inverter, and is worth specifically asking installers about.

Getting a quote

Because pricing and available models change, and because the right configuration depends on your existing electrics, roof orientation (if adding solar) and consumption patterns, the most reliable next step is to get quotes from MCS-certified installers who can survey your property and confirm current GivEnergy pricing and model availability.

Use our battery size calculator to get a rough sense of what capacity suits your household before you request quotes.