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==Claims==
==Claims==
DCS claims to manufacture long-life lithium batteries for extreme climates. They advertise them for use in solar systems and hybrid vehicles, including marines ones such as boats.{{Citation needed}}
DCS claims to manufacture long-life lithium batteries for extreme climates. They advertise them for use in solar systems and hybrid vehicles, including marines ones such as boats.{{Citation needed}}<ref>https://www.deepcyclesystems.com.au/</ref>


<!-- Source: Start from https://youtu.be/_QNMVMlx48E?t=83
<!-- Source: Start from https://youtu.be/_QNMVMlx48E?t=83


Please turn this into a proper reference. -->
Please turn this into a proper reference. -->
==Lawsuit==
==Unethical Practices==
 
===Lawsuit against reviews===
On August 16, 2023, Australian YouTuber [https://www.youtube.com/@AlloffroadAu AlloffroadAu] uploaded a [https://youtu.be/vRcSPuBob-I review] on DCS' [https://www.deepcyclesystems.com.au/product/dcs-12v-50ah-lithium/ 12v 50ah LiFePo4 lithium battery], mentioning the short longevity and substantial decline in performance after preforming a capacity test. They also made a [https://youtu.be/vRcSPuBob-I followup video regarding DCS' questionable history]. Both videos were privated at first because of legal threats from DCS.{{Citation needed}}
On August 16, 2023, Australian YouTuber [https://www.youtube.com/@AlloffroadAu AlloffroadAu] uploaded a [https://youtu.be/vRcSPuBob-I review] on DCS' [https://www.deepcyclesystems.com.au/product/dcs-12v-50ah-lithium/ 12v 50ah LiFePo4 lithium battery], mentioning the short longevity and substantial decline in performance after preforming a capacity test. They also made a [https://youtu.be/vRcSPuBob-I followup video regarding DCS' questionable history]. Both videos were privated at first because of legal threats from DCS.{{Citation needed}}
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<!-- 30-50% figure is from: https://youtu.be/_QNMVMlx48E?t=131 -->
===Hidden warranty policy update===
===Hidden warranty policy update===
DCS' warranty policy claims that:{{Citation needed}}
DCS' warranty policy claims that:<ref>https://www.deepcyclesystems.com.au/shipping-return-policy/</ref>


*For 'normal installations', batteries that fail to deliver 80% of its rated capacity are covered.
*For 'normal installations', batteries that fail to deliver 80% of its rated capacity are covered.
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<!-- It says "fails to deliver less than X% of it's rated capacity", which is confusing. -->
<!-- It says "fails to deliver less than X% of it's rated capacity", which is confusing. -->
This has been the case since November 7, 2023 according to [https://trove.nla.gov.au/ Trove], a web archiving service ran by the [[wikipedia:National_Library_of_Australia|National Library of Australia]]. However, Trove shows that on March 9, 2023, the exception for installations in engine bays/compartments didn't exist, contradicting DCS's statement that their policy was last updated in 2021.{{Citation needed}} <!-- Well, Trove is "a collaboration between the National Library of Australia and hundreds of Partner organisations around Australia" according to their homepage at https://trove.nla.gov.au/. Is this important to point out though? -->
This has been the case since November 7, 2023<ref name=":0">https://webarchive.nla.gov.au/awa/20231107111343/https://www.deepcyclesystems.com.au/shipping-return-policy/</ref> according to [https://trove.nla.gov.au/ Trove], a web archiving service ran by the [[wikipedia:National_Library_of_Australia|National Library of Australia]]. However, Trove shows that on March 9, 2023,<ref name=":1">https://webarchive.nla.gov.au/awa/20230309064156/https://www.deepcyclesystems.com.au/shipping-return-policy/</ref> the exception for installations in engine bays/compartments didn't exist, contradicting DCS's statement that their policy was last updated in 2021.  <!-- Well, Trove is "a collaboration between the National Library of Australia and hundreds of Partner organisations around Australia" according to their homepage at https://trove.nla.gov.au/. Is this important to point out though? -->


The lack of the second criterion means that owners of a DCS battery purchased before March 9 2023 that:  
The lack of the second criterion means that owners of a DCS battery purchased before March 9 2023 that:  
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The Trove archives can be found here:
The Trove archives can be found here:


*[https://webarchive.nla.gov.au/awa/20231107111343/https://www.deepcyclesystems.com.au/shipping-return-policy/ DCS Warranty Policy on November 7 2023]
*DCS Warranty Policy on November 7 2023<ref name=":0" />
*[https://webarchive.nla.gov.au/awa/20230309064156/https://www.deepcyclesystems.com.au/shipping-return-policy/ DCS Warranty Policy on March 9 2023]
*DCS Warranty Policy on March 9 2023<ref name=":1" />


====<!-- Maybe replace this list with proper citations next to when the dates were first mentioned. -->====
====<!-- Maybe replace this list with proper citations next to when the dates were first mentioned. -->====
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<!-- Louis's claims of user reachouts: https://youtu.be/_QNMVMlx48E?t=601 -->
<!-- Louis's claims of user reachouts: https://youtu.be/_QNMVMlx48E?t=601 -->
This would suggest that DCS was behind the removal of archives before 2024.
This would suggest that DCS was behind the removal of archives before 2024.
===Suspected fake positive reviews===
DCS has been suspected of fabricating positive reviews.<ref>https://www.productreview.com.au/listings/deep-cycle-systems-dcs</ref>
==Safety issues==
A reviewer claimed that on August 4 2023 his car, carrying DCS batteries exploded and caught on fire, the occupants were unharmed but the car was destroyed as a result of the incident. The reviewer alleged that he was faced with legal threats from DCS for publishing the initial review.<ref>https://www.productreview.com.au/reviews/374ddb79-d4b4-5c58-9cae-fd350d231fc2</ref>
== References ==
[[Category:Articles under development]]
[[Category:Articles under development]]
[[Category:Battery manufacturers]]
[[Category:Battery manufacturers]]


<references />
<references />

Latest revision as of 12:57, 19 February 2025


⚠️ Article status notice: This article has been marked as incomplete

This article needs additional work to meet the wiki's Content Guidelines and be in line with our Mission Statement for comprehensive coverage of consumer protection issues.

This notice will be removed once sufficient documentation has been added to establish the systemic nature of these issues. Once you believe the article is ready to have its notice removed, visit the discord and post to the #appeals channel.

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Deep Cycle Systems
Basic information
Founded 2015
Type Private
Industry Lithium Batteries
Official website https://deepcyclesystems.com.au/


This article is about the battery manufacturer. For other uses, see DCS (disambiguation).

Deep Cycle Systems (DCS), founded in 2015, is an Australian company that specializes in the design and manufacture of lithium batteries and energy storage solutions.

Claims[edit | edit source]

DCS claims to manufacture long-life lithium batteries for extreme climates. They advertise them for use in solar systems and hybrid vehicles, including marines ones such as boats.[ citation needed ][1]

Unethical Practices[edit | edit source]

Lawsuit against reviews[edit | edit source]

On August 16, 2023, Australian YouTuber AlloffroadAu uploaded a review on DCS' 12v 50ah LiFePo4 lithium battery, mentioning the short longevity and substantial decline in performance after preforming a capacity test. They also made a followup video regarding DCS' questionable history. Both videos were privated at first because of legal threats from DCS.[ citation needed ]

AlloffroadAu reports that 30–50% of the capacity is lost in the first several years.[ citation needed ]They also point out that DCS states that battery capacity will be significantly reduced after traveling a certain distance, but that they also don't mention this in their warranty policy.

Hidden warranty policy update[edit | edit source]

DCS' warranty policy claims that:[2]

  • For 'normal installations', batteries that fail to deliver 80% of its rated capacity are covered.
  • For installations in engine bays/compartments, batteries that fail to deliver 70% of its rated capacity are covered.
  • This policy was last updated June 14, 2021.

This has been the case since November 7, 2023[3] according to Trove, a web archiving service ran by the National Library of Australia. However, Trove shows that on March 9, 2023,[4] the exception for installations in engine bays/compartments didn't exist, contradicting DCS's statement that their policy was last updated in 2021.

The lack of the second criterion means that owners of a DCS battery purchased before March 9 2023 that:

  • Was installed in an engine bay/compartment.
  • Fell below 80% of its rated capacity.
  • Remained above 70% of it.

would be eligible for warranty coverage, but would have no way of knowing because of the changes to DCS' public warranty policy.

The Trove archives can be found here:

  • DCS Warranty Policy on November 7 2023[3]
  • DCS Warranty Policy on March 9 2023[4]

[edit | edit source]

Alleged removal of Wayback Machine archives[edit | edit source]

Internet Archive's Wayback Machine has archives of this policy page, but they are all dated in 2024. This is suspicious when considering:

  • DCS falsely claims that their policy was last updated in 2021, when Trove's archives show it was actually updated in 2023, both years not being covered by the Wayback Machine.
  • Louis Rossmann claims that consumers of DCS batteries have reached out to him, claiming that they were no longer able to access many older archives of the policy page when they contacted DCS asking when their policy was updated.

This would suggest that DCS was behind the removal of archives before 2024.

Suspected fake positive reviews[edit | edit source]

DCS has been suspected of fabricating positive reviews.[5]

Safety issues[edit | edit source]

A reviewer claimed that on August 4 2023 his car, carrying DCS batteries exploded and caught on fire, the occupants were unharmed but the car was destroyed as a result of the incident. The reviewer alleged that he was faced with legal threats from DCS for publishing the initial review.[6]

References[edit | edit source]