Battery fails to hold charge after only some 30 cycles or so. When you open them they are terrible quality. Obviously just the cheapest of the cheap chinese export which was rebadged. Don't trust... See more
While we don't verify specific claims because reviewers' opinions are their own, we may label reviews as "Verified" when we can confirm a business interaction took place. Read more
To protect platform integrity, every review on our platform—verified or not—is screened by our 24/7 automated software. This technology is designed to identify and remove content that breaches our guidelines, including reviews that are not based on a genuine experience. We recognise we may not catch everything, and you can flag anything you think we may have missed. Read more
See what reviewers are saying
The company is an absolute joke, their products are cheap rubbish that is over, and when you disagree with the owner, he threatened to find you and sue you. He has poor communication skills and uses t... See more
DCS buy extremely cheap Chinese batteries, places their sticker on them, and then marks up the price. Go read the Australian Government's ARENA report on Lithium Batteries, which shows that DCS per... See more
Purchased my 4th dcs 120ah battery 15 days ago to complete my battery bank for my solar project. So far my experience with dcs batteries has been great. They are super light, quick to recharge, last 3... See more
Company details
Written by the company
Deep Cycle Systems Pty Ltd is a small family lithium battery technology company located in Tamborine Mountain, Australia. We specialise in the design and manufacture of lithium battery related technologies such as Battery Management Systems, Cell Management Systems, DC-DC charging systems and solar regulators. These systems are optimised to be installed internally inside battery cases. We also have our own cell testing and manufacturing arm by which we design and assemble lithium battery packs for our company under the ‘DCS Lithium’ brand and also private label batteries for other companies. Our focus is currently on the 12V & 24V Defence and Emergency Services market along with Marine, RV, Telecommunications, UPS and 48V standalone systems.
Contact info
Australia
- deepcyclesystems.com.au
Hasn’t replied to negative reviews
How this company uses Trustpilot
See how their reviews and ratings are sourced, scored, and moderated.
People also looked at
I'm not a customer
I'm not a customer, but online research shows how dodgy of a company this is. For your own safety, don't buy.
A scammer and a thief is running the …
A scammer and a thief is running the company
Scam
Battery fails to hold charge after only some 30 cycles or so. DCS buy extremely cheap Chinese batteries, places their sticker on them, and then marks up the price.
Low iq company that hates customers
A company that puts minimum effort into its business and maximum effort into trying to silence anyone who buys one of their shitty chinese batteries and says anything negative.
Unsure where to begin exactly..
Unsure where to begin exactly... What I can say forsure is whatever you do.... avoid buying a battery from this scam of a company. They lie non stop and the batteries they claim to manufacture are cheap Chinese trash cans with a new sticker slapped on.... its sickening
The company is an absolute joke
The company is an absolute joke, their products are cheap rubbish that is over, and when you disagree with the owner, he threatened to find you and sue you. He has poor communication skills and uses threats and intimidation to get his own way.
Batterues are cheap rebadged chinese exports which fail to hold a charge
Battery fails to hold charge after only some 30 cycles or so. When you open them they are terrible quality. Obviously just the cheapest of the cheap chinese export which was rebadged.
Don't trust me, trust the Australian government who also tested this.
Do not use this company. The owner is UNTRUSTWORTHY. Do your research before you spend any money.
Cheap Chinese batteries for Exuberant Australian Prices
This company imports batteries from China, applies a 5-10 X markup, while claiming they manufacture them in Australia. Do NOT use them.
I bought a 120ah lipo4 battery and it…
I bought a 120ah lipo4 battery and it didn’t last a month. It was expensive and they didn’t want to know about me.
Please don’t buy from this dodgy company
Rebadged cheap Chinese batteries at a…
Rebadged cheap Chinese batteries at a premium price.
I'd say more, but they have a reputation for suing people.
cheap battery made in china with a dcs…
cheap battery made in china with a dcs logo on it with a way too big marging
DCS only places stickers on cheap Chinese batteries
DCS buy extremely cheap Chinese batteries, places their sticker on them, and then marks up the price.
Go read the Australian Government's ARENA report on Lithium Batteries, which shows that DCS performed the worst by far out of all batteries tested.
Im just curious to how the Streisand…
Im just curious to how the Streisand effect feels, can you tell me? While you're at it stop lying about everything you sell and say
Unfortunately 1 star is lowest review…
Unfortunately 1 star is lowest review available, negative stars more appropriate. The level of deception and illegality I personally experienced in my ongoing dealings with this ‘business’ beggars belief. I have no idea how this company is able to continue it’s misrepresentation as a legitimate MANUFACTURER , falsifies records, legal documents and misrepresents just about all aspects of his operation is able to continue ripping people off.
This guys shoddy products are going to result in loss of life if h3 allowed to continue. It is honestly a not a matter of ‘IF’ but WHEN.
It offers products made in China on the…
It offers products made in China on the assumption that they do. They sue anyone who leaves a negative opinion of their products. And if they lose the case, they don't pay the affected person. And their products are of very poor quality compared to the price. And they can explode at any time due to poor quality.
Avoid them
Disgusting company that mislead the customer with dangerous products
12V 80Ah Extreme is SHIT!
I got 12V 80Ah Extreme and test it, its horrible, it is THE CHEAPEST CRAP from China, with loose wires and I barely got 43Ah from it, with crappy messy output wave, because of CRAPPY PCB!
The owner is an absolute liar
The owner is an absolute liar. Just watched Karl Jobst video of this and I can't believe this person is not behind bars!!! NEEDS TO BE JAILED!
DO NOT TRUST THIS COMPANY
Check out a video about Karl Jobst: Australia's Most Dishonest Company Needs To Be Stopped! Search it up on YouTube. DCS is the worst.
Untrustworthy, lies, Chinese made batteries and Un-Auatralian!
DCS battery didn’t work
DCS battery didn’t work. Also they kidnapped and ate my family.
The Trustpilot Experience
Anyone can write a Trustpilot review. People who write reviews have ownership to edit or delete them at any time, and they’ll be displayed as long as an account is active.
Companies can ask for reviews via automatic invitations. Labeled Verified, they’re about genuine experiences.
Learn more about other kinds of reviews.
We use dedicated people and clever technology to safeguard our platform. Find out how we combat fake reviews.
Learn about Trustpilot’s review process.
Here are 8 tips for writing great reviews.
Verification can help ensure real people are writing the reviews you read on Trustpilot.
Offering incentives for reviews or asking for them selectively can bias the TrustScore, which goes against our guidelines.


