Dolphin 120W Wi-Fi Smart Power Supply (Maytronics 99956085-ASSYV4)
- Genuine Maytronics 120W Wi-Fi + Bluetooth Power Supply (99956085-ASSYV4)
- Connects your compatible Dolphin to the myDolphin™ Plus smartphone app
- Fits Explorer E50, Explorer E30 Wi-Fi, Triton PS Plus, Mercury & Nautilus CC Pro
- Also fits S300, S400, Active 30, Active 40, T45, T55i, Proteus DX5i & Premium 40
- Supports Weekly Timer, Cycle Selector, Delay & Pick-Up Mode (model-dependent)
or 4 interest-free payments of $82.25 with
Make storage easier:
Dolphin Universal Caddy
$145
Why pool owners add the Universal Caddy
- Effortless Roll-to-Pool Transport – Wheel your Dolphin smoothly from patio or garage to poolside without heavy lifting
- Protects Scrubbing Brushes – Cradles the cleaner off the ground so active brushes never develop flat spots in storage
- Integrated Power Supply Mount – Locks your power supply upright off wet decks and neatly coils up to 60 ft of swivel cable
- Genuine Maytronics Fit – Engineered specifically by Maytronics to cradle residential Dolphin robotic pool cleaners
Dolphin Premium Caddy Cover
$99
Why add the Premium Caddy Cover
- All-Season UV & Rain Shield – Heavy-duty woven polyester protects plastics, tracks, and cables from harsh sun and storms
- Shields Power Supply Electronics – Keeps your caddy-mounted power supply dry, shaded, and free of dust and pollen
- Ventilated, Wind-Secure Fit – Built-in side vents prevent trapped humidity while bottom velcro straps hold firm in high winds
- Roll Without Removing – Integrated top handle slot lets you wheel your covered caddy straight into storage
*Rates from 0% APR. Subject to eligibility check. See payment terms.
Restore Full myDolphin™ Plus Cloud Wi-Fi & App Scheduling
Built-In Wi-Fi + Bluetooth
Links your compatible 120W S/Explorer/Active/Triton robot directly to the myDolphin™ Plus iOS and Android app.
Fits 16 Connected Models
Exact replacement for Explorer E50, E30 Wi-Fi, S300, S400, Active 30/40, T45/T55i, Mercury, Triton PS Plus & Proteus DX5i.
Cloud & Faceplate Control
Start cycles with one physical button poolside or schedule custom weekdays and modes from anywhere.
Regulated 120W Output
Calibrated specifically for 120W PowerStream™ dual-brush cleaners.
Caddy-Ready Mount
Snaps securely into the Dolphin Universal Caddy power-supply holder.
Certified Maytronics V4
Latest ASSYV4 revision with updated IoT cloud connectivity.
Confirmed Compatible Dolphin Cleaners (120W Wi-Fi)
- Explorer E50 & Explorer E30 Wi-Fi
- Triton PS Plus, Mercury, Nautilus CC Pro & Advantage Pro
- S300, S400, Active 30, Active 40 & Premium 40
- T45, T55i, Proteus DX5i & Prowler 930W
Own a Sigma, M600, M400, Explorer E70, Active 60, Premium 60, Oasis Z5i, or Nautilus CC Supreme? Those higher-wattage cleaners require the 180W Wi-Fi supply (99956083-ASSYV4).
Power Supply 99956085 (120W Wi-Fi) Specs
Power Supply 99956085 (120W Wi-Fi) FAQ
What is the difference between 99956085-ASSYV4 and 99956083-ASSYV4?
Wattage and robot pinout! 99956085-ASSYV4 is 120W Wi-Fi (for S300/S400, Explorer E30 Wi-Fi/E50, Active 30/40, Triton PS Plus, Mercury). 99956083-ASSYV4 is 180W Wi-Fi (for Sigma, M600, M400, Explorer E70, Active 60, CC Supreme).
How do I pair the new power supply to my phone?
Plug your cleaner into the new power supply, turn it on, open the free myDolphin™ Plus app with Bluetooth enabled near the unit, and follow the 60-second Wi-Fi onboarding prompt.
We’re Here Long After Delivery Day
Genuine Maytronics OEM Warranty
Manufacturer-backed protection and help from authorized US service centers.
30-Day Returns
If it isn’t right for your pool, start a return within 30 days.
Fast, Free Shipping
Your cleaner ships fast and free on qualifying orders, ready for its first run.
Let the robot clean the pool. Let ICO watch the water.
ICO tests your water every hour and tells you exactly what to add—before cloudy water or algae ruins the weekend.
- Measures pH, ORP, and water temperature every hour
- Exact chemical amounts in the free iOS & Android app
- Warns you before heat or rain knocks the water out of balance
- Versions for chlorine/bromine and salt water pools (salt also tracks TDS)
ICO - The Smart Pool Water Monitor
Hourly water readings and exact dosing help—without another subscription.
Which type of pool do you have?
Complete Your Setup
Make poolside transport effortless and shield your cleaner and power supply between cycles.
*Rates from 0% APR or 10–36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. State notices to consumers: affirm.com/licenses.