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Rated 1 out of 5 stars

Taking them to court. Supplied balancers which failed and caused my batteries from them to fail and killed a £1800 3d printer. Ben the son of owner emailed saying can independently charge batteries in... See more

Rated 5 out of 5 stars

So.......problem with my Sterling 12v-60a Pro Charge Ultra battery charger. You send a message, almost instant reply, fill in a form, follow up with discussion about problem and sending unit for repai... See more

Company replied

Rated 5 out of 5 stars

What a refreshing company. The 4yr old split charger on our camper had stopped working. Before replacing I rang Sterling's tech support. They talked me through a factory reset to no avail. They said t... See more

Company replied

Rated 1 out of 5 stars

I'm always interested in how products perform in the long term, so I hope this review will be useful to others. Two and a half years ago I bought two AL1220 LFP batteries. One arrived not working. I... See more

Company details

  1. Electrical Equipment Supplier

Written by the company

Providing industry leading power electronic solutions to all modern power problems. Including Lithium systems, off-grid solar installs and modern DC/DC and AC/DC distribution. We pride ourselves on our products and keeping our customers happy- as the best item in the world could be ruined by poor support or poor direction. Let us help.


Contact info

3.3

Average

TrustScore 3.5 out of 5

28 reviews

5-star
4-star
3-star
2-star
1-star

Replied to 66% of negative reviews

Typically takes over 1 month to reply

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Rated 1 out of 5 stars

not good at all

September 12, 2025
Unprompted review
Sterling Power logo

Reply from Sterling Power

Hello Damiano,
The items were recommended to you based on the information you provided.
We were unable to verify any voltage readings with you to see if we could narrow down why things wouldn't work to their full capability like we wanted them to, and we offered you alternative, higher powered products to try to get you the outcome you wanted.
You did not accommodate our attempts at remedying the situation, refusing to consider the higher power unit and refusing to provide further readings, and decided to send the items back to us, which is fine, as you no longer wanted them.

The items came back to us with clear signs of use which means they could no longer be considered new items, however we didn't want to spend time debating this and so we refunded for the value of even the visibly worn items. The carriage was not refunded, as ultimately this was you deciding you did not want the items rather than there being any fault with the items themselves. The cable was not refunded as this was cut bespoke for your order.

You then, after receiving the refund, opened a chargeback for the full value of your order on top of the refunded value that we had provided.

We provided all the evidence to your bank during your attempt at a chargeback, and your bank sided with us in regards to the claim in light of the evidence.

We always aim to provide as good a service as we can. There are always going to be the risk of issues occasionally, but we've tried to provide you with full technical support and remedy, and failing that, refunding items that you returned to us including items with visible wear. Accepting the refund we provided and then trying to claim for the full order value refund on top of that would have lead to a significant net profit to you, with total refund value nearly doubling your original order.

Rated 1 out of 5 stars

Taking them to court

Taking them to court. Supplied balancers which failed and caused my batteries from them to fail and killed a £1800 3d printer. Ben the son of owner emailed saying can independently charge batteries in 48v string. Bad advice. They sent me batteries £300 or more each and one not working on arrival. 2 batteries sent back and both gone missing they say. Very bad firm

August 1, 2025
Unprompted review
Rated 5 out of 5 stars

Wildside (B2B charge

Been using their Wildside (B2B charger) excellent product, but mine started playing up. Their technical department sorted it, brilliant service.

April 24, 2025
Unprompted review
Rated 1 out of 5 stars

Sterling doesn't know what's in their products

I'm always interested in how products perform in the long term, so I hope this review will be useful to others. Two and a half years ago I bought two AL1220 LFP batteries. One arrived not working. I sent it back and it was replaced free of charge (not the shipping, though. In hindsight, the issue was the BMS coming loose inside the case. Now, the original battery's BMS has died. I wrote off any warranty and opened up the case to see if I could fix it (no joy). However, I did discover that the cells in the battery were not prismatic cells, as advertised, but cylindrical cells. If something that fundamental is false, what else might be different to what the seller claims?
Sterling's response was simply to say that they had specified prismatic cells in their batteries. Present and future customers should be aware of this issue.

March 18, 2025
Unprompted review
Rated 5 out of 5 stars

Very quick service and sensible price

I visited Sterling Products, Droitwich with my Combi S inverter which had a problem. I had asked on the phone if I could leave it with them for servicing, but when I arrived with it I was told that they would immediately do a full check and that I would be welcomed to experience the process. It was brilliant! The gentleman who did the job was very polite, quick and experienced, tested every item and in a short time he had changed the module and tested the repair. It was perfect! I departed with a good working inverter, a very fair price and an excellent service! Fantastic!

January 14, 2025
Unprompted review
Rated 5 out of 5 stars

You can not get a better customer…

You can not get a better customer service than sterling power. Very helpful on the phone and the technical support team know exactly they are talking out. I'd recommend there batteries to anyone 100%. Many thanks for your time

August 30, 2024
Unprompted review
Rated 5 out of 5 stars

Fantastic Customer Service.

I recently bought a camper conversion. Totally new to the electrics I thought the BB1200 unit wasn't working. A couple of phone calls to the techs at Sterling and a couple of checks proved that it was dead. Sent it off on a Friday, following Monday morning I had a email from a techie who said it was a simple diode fault and it was mended. Tuesday morning it was on my doorstep and I fitted it. Seems to be working perfectly.

I think this is the best customer service I've ever had, all the guys I spoke to to were polite and helpful. I'm still surprised at the speed of return.
In this world of rubbish customer care I wish more companies were as pleasant and efficient as Sterling Power Products.

February 27, 2024
Unprompted review
Rated 1 out of 5 stars

Missing excellence by a long way

Solar charger. One wire always falls out connector when others dont. Screw just seems to not wind the holder properly.

Lipo batteries. Come with bluetooth battery monitor built in. On Ben Sterling wont work from those figures as they are by his words inaccurate. Battery £600 almost.

Bought 4 battery to battery chargers. All had problems. 120 amp flattened starter battery. Needed new battery cost £200 and Sterling would not pay for it. Shown video of their charger faulty.

Connectors in to 120 amp charger only accept diameter like pencil. Correct wiring for the power produced is like 5 pencils round. Clearly bad design.

1600 watt sterling power inverter. Ising 60 inch sony bravia tv for hours then turn that off and the inverter suddenly starts beeping saying power issues. Turns off imac computer.

Ben sterling sent me free two battery monitors. First did not work. I sent it back. He fixed it and was sending it to me but first asked for money. It suddenly was not free anymore. How is that…?

40a AMPS battery charger which dont put out 40amps. Puts out half that.

Their products I think are good but not perfect. I will buy from some other company next time and chance it.

October 2, 2023
Unprompted review
Rated 5 out of 5 stars

Our BB1260 is out of warranty and…

Our BB1260 is out of warranty and failed, so I was thinking ..another £400.00 .. after several emails back and forth with Sterling getting me to run tests, I returned it to them on Thursday, by the following Monday had an email from DPD parcel on its way to me. then an email from Sterling, capacitor replaced and unit on its way back. no charge. how is that for service.

September 26, 2023
Unprompted review
Rated 5 out of 5 stars

Excellent Service and Support

Can’t fault these guys, knowledgeable, supportive and eager to assist. Resolved our issue and had plenty of technical advice to assist. Thank you.

July 17, 2023
Unprompted review
Rated 5 out of 5 stars

Difficulty of receiving response to information request explained by email system fault(s)

I am modifying the review I provided for Sterling Power regarding communications below as I have been contacted by Sterling Power using another email client which shows attempts to communicate were made. For reasons that remain unexplained nothing was received at my end of these earlier attempts. I am now happy to have received evidence confirmation of communication attempts.

Maybe the service in the UK / Europe is 5 Star but from the Antipodes after 3 attempts to get an email response for a potential purchase to be sent to a UK based freight forwarder / escrow agent - no response

13/05/2023 On 10/05/2023 I received a response from Anonymous via TrustPilot notably 7 days after posting the review above claiming that 3 responses had been sent 'somewhere' and that I could see those by following a supplied Dropbox link. I conducted a further search of the entire email system in use here including spam junk etc for 'Sterling' 'Power' and the only returns where what was sent from here and the Trust Pilot review with the Anonymous response. I have retested the 2 email addresses Anonymous may have used and both work perfectly and daily receive mail from the world. My contact details included phone numbers, one of which is a mobile and one could expect that after 3 attempts at contact some other sending method would be attempted other than what clearly was not working - if anything had been sent from a functional email service / provider. That would be worth a review in itself. My review stands and I am reluctant to pursue a belated Dropbox link to retrieve something from Anonymous in these circumstances when the email addresses provided and the system here is working as expected .

May 3, 2023
Unprompted review
Sterling Power logo

Reply from Sterling Power

Hello Richard,
You contacted three times and had a response three times. The first time was from the Sales team (whom I had asked to contact you), and the following two times was from myself directly.

https://www.dropbox.com/s/qg45phjnbmn220y/Screenshot_30.png?dl=0

I've censored some information perhaps we would rather not keep public, but clicking the link above will take you to my direct email box- including my responses and the dates associated with each response.

Please do check your spam, our customer service is something we genuinely focus on and as such a lingering one star review when I've actively responded (within 24 hours where possible) is not something ideal for us.

Thank you.

--In response to the original item edit--
Hello Richard,

If supplied images from our multiple attempts to contact you are insufficient, I'm not sure what else I can feasibly do. There's no alternative means for me to provide you an image of our contact attempts sans Dropbox. We've clearly attempted to be in contact but if our emails are not connecting then there's nothing much further we can do. We would be reticent to contact you by mobile as there is an 11 hour time difference between ourselves and you.

At its core- to answer your request here (as this appears to be the only feasible way to contact you), we can orchestrate shipping to a forwarder sans VAT- however it has to be done via proforma, which would have to be sent via email.

Rated 5 out of 5 stars

I made a pre-arranged visit to…

I made a pre-arranged visit to Sterling, with my faulty 3000w inverter. It owed me nothing, being around 18 yes old. Owen couldn’t have been more helpful, first bench-testing it to confirm the fault.
Having done that, he opened it up, cleaned a few things, but the fault persisted.
I was fully prepared to have to buy a new one, but he found me one of the same vintage. He confirmed that it was working, and sold it to me for an amazing low price.
Nothing was too much trouble

April 21, 2023
Unprompted review
Sterling Power logo

Reply from Sterling Power

Hi DJ! Thanks for the kind words. We hope you're doing well!

Rated 5 out of 5 stars

Great product battery to battery chargers

Great product battery to battery charger12-24v. I blew it up shortly after receiving it. They fixed it without hesitation and had it returned a 400mile round trip delivery in 3 days. I got the bill and they said it would be £20 I’m amazed they were fantastic.
What a really Lovely team of nice people to deal with its renewed my faith in a real good old British company that offers exceptional services. Top marks all around. The best products on the market without any doubt that’s why they are number 1 sellers world wide.

March 31, 2023
Unprompted review
Sterling Power logo

Reply from Sterling Power

Hello Mr Pigram, we do try our best!

Rated 5 out of 5 stars

Excellent!

So.......problem with my Sterling 12v-60a Pro Charge Ultra battery charger. You send a message, almost instant reply, fill in a form, follow up with discussion about problem and sending unit for repair. Repair is done in hours and it's back with me plus cleaned up and looking like new within a couple of days. Customer service just does not come any better. The 5 stars says it all. Should have been 6 stars.

March 15, 2023
Unprompted review
Sterling Power logo

Reply from Sterling Power

Hi John,

Thanks for the kind words! We do try our best. Please do give us a call if there is anything else.

Rated 4 out of 5 stars

Bought 5 Lithium batteries plus…

Bought 5 Lithium batteries plus charging equipment only to find out there is no app to monitor the batteries, this has now been remedied and they are performing well
After a slow start all is well so yes, I can recommend them.

February 16, 2023
Unprompted review
Sterling Power logo

Reply from Sterling Power

Hi Nigel,

Sorry for that hiccup! App was still processing- but glad to have it sorted. Hope you're doing well.

Rated 5 out of 5 stars

Had an issue with my batteries

Had an issue with my batteries. Contacted the technical team and arranged to bring my motorhome in for them to check. They resolved the issue swiftly and professionally.
A big shout out to Will and the team for such excellent service - many thanks!

February 3, 2023
Unprompted review
Sterling Power logo

Reply from Sterling Power

Thanks Steven! Will is pretty good, we like him around! :)

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