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Brand support · Duracell Energy

Duracell Energy Home Support — Battery, EPS & App Monitoring

Duracell Energy Home hybrid inverters and battery systems are appearing across UK homes. Battery not charging, EPS backup not activating, app offline — we diagnose Duracell Energy systems at the engineering level. Remote-first. Evidence-led. Independent from Duracell Energy and from your installer.
Free remote diagnostic · pay only if we fix it — from £75 if remediable remotely
  • Not affiliated with Duracell Energy
  • Hybrid inverter and battery diagnostics
  • App and portal monitoring support
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Most solar faults are diagnosed remotely in a single session. Tell us what you're seeing and we'll work it out.

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Safety: do not open inverter or battery enclosures. If you smell burning or see arcing, isolate at the consumer unit and call 999.

When my GivEnergy battery started playing up it became basically useless and several companies I called said they couldn’t help. Solar Tech Support really knew their stuff, communicated very well and resolved the problem quickly. Without them I’d have had to buy a replacement battery.

A D · Jun 2026 Google

Excellent service from Solar Tech Support. Extremely quick to respond, easy to deal with and clearly very talented engineers. They were persistent throughout a complex GivEnergy battery issue and resolved everything completely. Highly knowledgeable, professional and reassuring support from start to finish. Highly recommended.

David Harris · May 2026

Thank you for your diligence. On this occasion the battery was able to be saved but they have given a route to hopefully arrange a repair from the manufacturer.

David Bateman · Jun 2026 Google

Ron want out of is way to help, nothing was to much. He was very thorough in what he did Very knowledgeable I would highly recommend Ron and his company He did a fantastic job for me. if you have any problems, he'll do his best to help you out and resolve your problem. I wouldn't hesitate to recommend them

Dennis Brown · May 2026

I can add to the list of customers who had already 'given up' on GivEnergy due to their appalling customer service, and that was before they went into administration. So you can imagine my desperation when, having changed my ISP and my Inverter, predictably, proving to be the only device that didn't connect automatically to my new network, I found zero prospect of any customer support with GivEnergy having called in the administrators just five days earlier! The salvation came from Solar Tech Support. My IT advisor stumbled across their web site and some very helpful tips for beleaguered GivEnergy customers, as well as an offer to provide direct assistance. Nothing ventured, I decided to drop them an E-Mail, with very low expectations based on my experience of GivEnergy customer support. Within an hour Ron had responded with some pin point advice, and after a few exchanges of E-Mails he had nailed the problem, enabling the combined efforts of my IT advisor and solar installer to resolve it and reconnect my Inverter. Thank you Solar Tech Support, and Ron in particular, for coming to the aid of a deserted and despondent GivEnergy customer. Expert, razor sharp advice and first class customer service, even though I wasn't officially a customer.

customer · Apr 2026

Contacted Solar Tech Support when trying to understand what my Givenergy inverter problem might be and what might be my options. Received good/honest advise which backed up my thoughts.

Hugh Speirs · Apr 2026
Duracell Faults

Common Duracell Energy problems we diagnose

Every fault below has a proven diagnostic path. Click through for the specific page or book a diagnostic if you're unsure.

EPS & Grid Protection
EPS not activating

Backup power not available during power cut. EPS disabled, wiring issue, or SoC below minimum threshold.

Guide →
Grid protection trip

Duracell Home disconnecting from grid due to G98/G99 fault. Voltage, frequency, or isolation error.

See diagnostic guide →
No solar production

Duracell inverter not generating from panels. DC string fault, protection trip, or grid code lock.

Guide →
System underperforming

Output lower than expected. Panel soiling, string fault, or firmware misconfiguration.

See diagnostic guide →
Fault Codes

Duracell Energy fault code index

Duracell Energy app logs fault codes and alarms when system errors occur. Our diagnostic process covers all fault categories and alarm codes across Duracell Energy Home models.

Fault code categories
·Battery BMS communication alarms
·EPS backup mode fault events
·Grid protection alarms (G98/G99)
·Battery protection and isolation faults
Services

What we do for Duracell Energy owners

Remote Duracell Energy Diagnostic

We review Duracell Energy app data, settings, and error history to identify the exact fault without a site visit.

Fault path identified
Settings validation
Written engineer summary
Book remote diagnostic

Duracell Energy System Recovery

App access lost, portal locked, or firmware misconfiguration. We recover monitoring and rebuild documentation.

App account recovery
WiFi module reconfiguration
Warranty evidence pack
Start recovery

On-Site Duracell Energy Repair

Battery communication fault, inverter repair, module replacement, EPS wiring validation. Targeted visit — no guesswork on arrival.

Evidence-led targeted checks
Safety-focused report
Repair or replacement path
Discuss visit

About Duracell Energy Home systems

Duracell Energy is a UK market brand offering an integrated home energy storage solution under the well-known Duracell brand. The Duracell Energy Home combines a hybrid solar inverter with modular battery storage in a single system managed through the Duracell Energy app. The system handles solar generation, battery charge/discharge, and grid connection — all displayed in the mobile app.

As a relatively new entrant to the UK market, firmware updates are common and can occasionally affect app connectivity and system behavior. EPS (Emergency Power Supply) is available but requires correct wiring to a dedicated backup circuit and must be enabled in system settings. Battery isolation alarms and communication faults are logged in the app alarm history.

If you're searching for Duracell Energy battery not charging, Duracell Energy Home fault, Duracell Energy app offline, Duracell Energy EPS not working, or Duracell Energy battery communication error, STS provides independent diagnostic and repair support across the UK — not affiliated with Duracell Energy Ltd or your installer. We diagnose at the engineering level using app data, screenshots, and on-site testing where needed.

Compare Duracell Energy against other brands: Duracell vs GivEnergy, Duracell vs AlphaESS, Duracell vs Fox ESS, Duracell vs Sigenergy.

We also support

STS supports all major inverter and battery brands — not just Duracell Energy. If you have a mixed-brand system or are comparing options, visit the brand hub.

Browse all 19 brands
FAQ

Duracell Energy questions answered

The most common causes are an incorrect operating mode in the Duracell Energy app, a battery communication fault between the battery modules and the hybrid inverter, or a grid protection event preventing normal operation. Check the Duracell Energy app for any active alarms or fault notifications. If a communication alarm is shown, a full power cycle of the system (inverter off, battery off, wait 60 seconds, battery on first, then inverter) resolves most transient faults.
Duracell Energy EPS backup requires the backup circuit to be connected to the correct EPS output terminal and EPS mode to be enabled in the system settings. If the battery's state of charge was below the minimum EPS threshold at the time of the outage, backup mode will not activate. Check the Duracell Energy app history for the battery SoC at the time of the power cut. If SoC was sufficient and EPS still didn't activate, the EPS wiring configuration or settings need investigation.
The Duracell Energy app shows offline when the system's communication module has lost its internet connection. This typically happens after a router change, WiFi password update, or broadband interruption. Power cycling the hybrid inverter (AC isolator off, wait 30 seconds, back on) usually restores the connection. If the system remains offline, the WiFi settings in the inverter may need to be reconfigured — contact STS for remote support with this process.
Yes. The Duracell Energy app logs fault events and alarm history, which we review remotely to identify the cause of battery, EPS, or monitoring faults. In most cases, a remote diagnostic is sufficient to determine whether the issue is a configuration fault (correctable remotely), a transient communication error (resolved by power cycle), or a hardware fault requiring a site visit. We provide a written report with cause and recommended action after every diagnostic.
EPS backup in Duracell Energy requires two steps: (1) Wiring — your backup load (typically critical circuits) must be connected to the dedicated EPS output terminal on the inverter, separate from the main load connection. (2) Settings — EPS mode must be enabled in the Duracell Energy app system settings and configured to activate during grid outage. If both are correct but EPS still doesn't work during a power cut, check the app history for battery SoC at the time — if below minimum threshold, EPS won't activate. Book a diagnostic if in doubt.
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Ready to fix your Duracell Energy system?

Tell us what's happening. We'll review your details and come back with a clear diagnosis path — usually same day.

  • Not affiliated with Duracell Energy
  • No fix, no fee
  • On-site visits available across Yorkshire

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