Your Dolphin robotic pool cleaner stops mid-cycle, the power supply unit flickers, or the control panel goes dark. A failing power supply can turn a convenient cleaning routine into a frustrating guessing game. Whether you need a Wi-Fi enabled unit for your M400 or a basic 120W box for an Active 10, finding the right Dolphin WiFi power supply replacement saves time and money. We have evaluated seven top-rated replacements from trusted brands like Dolphin, E-cowlboy, sixcow, and konzition to help you choose the perfect match.

This guide covers everything from compatibility nuances to key features like built-in timers and plug-and-play installation. For more help with other power components, check out our guide on top robotic pool cleaner power box replacements.

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Editor's Pick

Sixcow 99956034 Power Supply Replacement

sixcow
9.9 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
This 99956034 power supply from Sixcow is a reliable replacement for many Dolphin and compatible robotic pool cleaners that lack WiFi. It stands out for its plug-and-play installation, included 50-foot power cord, and durable IP54 waterproof construction, making it an ideal choice for owners seeking a cost-effective repair to restore peak cleaning performance.
Pros & Cons

Pros

  • Plug-and-play installation with no rewiring needed
  • Broad compatibility with many Dolphin and Maytronics models
  • Includes a long 50-foot power cord for flexible outlet placement
  • Durable build with IP54 waterproof rating and thermal protection
  • Restores cleaning performance of existing robotic pool cleaners

Cons

  • Only compatible with manual on/off Dolphin models (no WiFi or smart features)
  • Aftermarket brand (Sixcow) may not match OEM build quality over time
  • No customer reviews yet, so long-term reliability is unverified
Detailed Review

The Sixcow 99956034 Power Supply Replacement is a practical solution for owners of Dolphin robotic pool cleaners that use a basic manual on/off switch. It is designed to replace the original 99956034US-ASSY unit in models like the Active 10, E10, E20, Cayman, Echo, Encore, Escape, S50, Saturn, Solo, T15, Premium 10/20, and Prowler 910, among others. This power supply is intended for users who want to revive a worn-out cleaner without spending on a full replacement.

Key features include a straightforward plug-and-play design: you simply open the enclosure, unplug the old unit, and plug in the new one. No rewiring is required, making it accessible even for those with limited DIY experience. The package includes a 5898412LF black power cord that can extend up to 50 feet, giving you flexibility to position the power supply away from the pool. The technical specs (100-125VAC input, 120W output, IP54 waterproof rating) confirm its suitability for outdoor use.

Build quality is a highlight: the unit uses premium materials, a quality PCB, and an aluminum heat sink to dissipate heat efficiently. It also features thermal protection and anti-corrosion properties, which extend its lifespan in damp conditions. The included handle adds convenience for moving or hanging the unit. However, this is a basic power supply without WiFi or smart scheduling, so it only works with older Dolphin models that lack wireless connectivity.

Potential drawbacks are few but worth noting. As an aftermarket part, Sixcow's build may not feel as refined as the OEM unit, though early specifications suggest solid construction. The 0 customer reviews mean real-world durability is unproven, but the 12-month warranty provides some reassurance. Additionally, it only supports manual on/off cleaners; if your Dolphin model has WiFi, this unit will not be compatible.

Verdict: For owners of compatible Dolphin pool cleaners needing a replacement power supply, the Sixcow 99956034 offers a cost-effective and easy-to-install solution. Its robust build, included long cord, and waterproof design make it a strong choice to restore your cleaner to peak performance. If you are comfortable with a basic, no-frills power supply and value straightforward repair, this is a solid buy.

3
Limited Time

E-cowlboy 99956034 Power Supply for Dolphin Active

E-cowlboy
9.8 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
This E-cowlboy replacement power supply restores reliable operation for select Maytronics Dolphin robotic pool cleaners, featuring a reinforced body, built-in cooling, and a matching 5898412LF power cord. Ideal for owners of basic single-cycle models like the Dolphin Active 10, S50, or Prowler 910.
Pros & Cons

Pros

  • Wide compatibility with popular Maytronics Dolphin basic models like Active 10, S50, and Prowler 910.
  • Includes a matching 5898412LF power cord for a complete replacement kit.
  • Premium thermal management with aluminum heat sink and double insulation.
  • Sturdy IP54-rated shell built for outdoor pool environments.
  • Generous 12-month warranty adds peace of mind.

Cons

  • Only works with basic single-cycle Dolphin cleaners that have a simple on/off control, not smart or programmed models.
  • Input power is limited to 100-130VAC, so it won't work directly on 220-240V outlets without a voltage converter.
  • Third-party part, not an original Maytronics unit, which some users may consider less trustworthy.
Detailed Review

The E-cowlboy 99956034 power supply is a direct replacement for the OEM Maytronics 99956034US-ASSY unit used with several Dolphin robotic pool cleaners that operate on a basic single cleaning cycle. It pairs with a new 5898412LF power cord, making it a complete drop-in solution for owners of models like the Dolphin Active 10, Solo, S50, S100, and Prowler 910.

This basic power supply packs a microprocessor-based PCB and an aluminum heat sink to maintain steady DC 29V 120W output during cleaning. The IP54-rated housing resists splashes and dust, while the double insulation and thermal protection switch guard against overheating. In practice, users get consistent, worry-free power delivery that keeps the cleaner moving through a single automated cycle.

The injection molded body is reinforced for impact, deformation, and corrosion resistance, so it can handle harsh poolside environments. A quick start ON/OFF button and a comfortable carrying handle make daily operation and transport easy. The included 5898412LF cord is designed to match the supply, eliminating guesswork about cable compatibility.

Note that this power supply only supports the input range of 100-130VAC, so it is not suitable for international outlets that use 220-240V without a transformer. It also works only with Dolphin models that use the simple on/off single-cycle control, not with advanced cleaners that have timers, LCD displays, or app connectivity.

For owners of compatible Maytronics Dolphin single-cycle pool cleaners, the E-cowlboy 99956034 replacement power supply offers an affordable, well-built alternative to OEM parts. With the included power cord, solid cooling design, and a 12-month warranty, it delivers reliable performance at a lower cost than many branded repairs.

Specifications

Compatible Models: Dolphin Active 10, Active Solo, Cayman, Echo, Encore, Escape, Explorer E10, Explorer E20, Nautilus CC (99996153-US), Premium 10, Premium 20, S50, S100, Saturn, T15, Warrior SL, Prowler 910

OEM Reference: 99956034, 99956034US-ASSY, 360337, MAY-201-9021

Input: 100-130VAC, 50/60Hz, 2A

Output: DC 29V, 120W

Enclosure Rating: IP54

Included Accessories: 5898412LF Power Cord

Color: White

Dimensions: 9 x 8 x 3 inches

Buying Guide for a Dolphin WiFi Power Supply Replacement

Choosing the right replacement requires careful consideration of several factors. Below are the most important criteria to evaluate before making your purchase.

Compatibility with Dolphin Models

Not every power supply works with every Dolphin cleaner. Some models require Wi-Fi connectivity, while others operate with a simple on/off switch. For example, the Dolphin Genuine Replacement Part (Part 99956083-ASSYV10) is specific to Wi-Fi models like M400 and M600. Always confirm your cleaner’s connector type (4-pin, 3-pin, or 2-pin) and whether it needs a Bluetooth or Wi-Fi unit. For a broader look at power boxes, see our robotic pool cleaner transformer replacement.

Power Output and Performance

Power ratings vary from 120W to 180W. Higher wattage units, like the 180W E-cowlboy power supply, provide extra headroom for larger pools or heavy debris. However, ensure the voltage matches your cleaner’s requirements. Most Dolphin units accept 100-130VAC input and output less than 30VDC. Verify the output amps and wattage listed on your old unit before selecting a replacement.

Built-in Features and Convenience

Some power supplies include a weekly timer, which lets you program cleaning cycles automatically. Others feature an on/off switch for easier control without unplugging. If you value smart functionality, consider a Bluetooth-enabled unit like the XINWEIUS 99956035 replacement, which offers app control. For basic models, a simple power switch and carrying handle can make daily use more pleasant.

Ease of Installation

Most replacements are plug-and-play, requiring no special tools. You simply unplug the old unit, connect the new one, and plug in the included power cord. If you are replacing a unit with a tangled or broken cord, choose a kit that includes a new power cable. This ensures a secure connection and avoids the hassle of reusing old wiring. For additional tips, visit our pool robot power adapter replacement guide.

Final Thoughts

Replacing a faulty Dolphin power supply is a straightforward way to breathe new life into your robotic pool cleaner. For owners of Wi-Fi enabled models like the M400 or Nautilus CC Supreme, the genuine Dolphin Genuine Replacement Part (99956083-ASSYV10) offers certified compatibility and peace of mind. If you have a basic on/off cleaner such as the Active 10 or Cayman, the 99956034 Power Supply Replacement for Dolphin from sixcow provides reliable 120W performance with an included power cord and easy setup. Both options deliver the dependable cleaning your pool deserves.

Frequently Asked Questions

How do I know if my Dolphin pool cleaner power supply is faulty?
Signs include the cleaner not starting, stopping mid-cycle, intermittent power, or a non-responsive control panel. If the power supply unit shows no lights or makes buzzing noises, it likely needs replacement.

Can I use a third-party power supply with my Dolphin cleaner?
Yes, many third-party units from brands like E-cowlboy and sixcow are designed to meet or exceed OEM specifications. Just ensure the connector type (4-pin, 3-pin) matches your model and that the wattage is appropriate.

What is the difference between a Wi-Fi and a basic power supply?
Wi-Fi power supplies allow app control and scheduling via a smartphone, while basic units use manual on/off switches or simple timers. The connector pin configuration also differs, so always check compatibility.

How long does a Dolphin power supply typically last?
With proper care and protection from direct rain, a quality power supply can last several years. Exposure to moisture or overheating can shorten its lifespan. Regular inspection and cleaning of the unit help maintain performance.