Hihitomorrow Dolphin Power Supply Replacement 99956034 for Active 10 / E10 / S50 — 120W with Black Cord

Hihitomorrow 99956034 is a direct replacement power supply assembly designed to restore power to compatible Dolphin robotic pool cleaners (Active 10, E10, S50 and related basic models).

If your Dolphin cleaner stopped powering on or runs inconsistently, replacing the power supply is often the fastest way to return it to reliable operation. This Hihitomorrow unit replaces OEM part 99956034US-ASSY and ships with the matching 5898412LF black power cord. It’s built for the basic on/off Dolphin models (no Wi‑Fi) and provides the same 120W power profile used by the manufacturer's simpler controllers.

Which Dolphin models will this power supply work with?

This replacement matches a range of basic Dolphin robotic cleaners that use the 99956034-style supply. It’s intended for machines that have an on/off control only (no wireless features).

• Compatible with: Active 10, Echo, Encore, Escape, E10, S50, Solo, T15, Premium 10, Premium 20.
• Replaces OEM: 99956034US-ASSY.
• Includes: 99956034 power supply assembly plus 5898412LF black power cord.
• Not for models requiring Wi‑Fi or different power specifications.

How reliable and durable is the Hihitomorrow replacement?

The unit is built with a printed circuit board and anti‑corrosion treatment for longevity in pool‑side environments. An internal aluminum heat sink and a molded top handle are included to help with cooling and handling during installation and transport.

• PCB and components treated for high temperature and corrosion resistance.
• Aluminum heat sink inside the bottom grill for improved thermal performance.
• Molded handle on top for easier carrying and positioning.
• Delivered with a replacement power cord to simplify swap‑out.

What electrical specifications and limitations should I know?

This replacement supplies 120W of power to the cleaner and is intended only for the basic, non‑Wi‑Fi Dolphin models. It will not add features or capabilities beyond restoring the original power function.

• Output: 120W, matching basic model requirements.
• Designed for on/off control models only; no wireless connectivity or smart features.
• Ensure your model’s OEM part number matches before ordering.
• Check cord length and plug type against your setup before installation.

How easy is it to install and when should I replace the unit?

Installation is straightforward for anyone comfortable opening the cleaner’s controller box or swapping external supply boxes. Replace the supply if the original shows visible damage, overheating, inconsistent power delivery, or if the cleaner fails to power on despite a working cord and outlet.

• Includes compatible power cord (5898412LF) to simplify replacement.
• Swap the external supply assembly or install per your cleaner’s service manual.
• Consider replacement when the old supply is cracked, corroded, or intermittently powering the unit.
• Professional service recommended if you are unsure about electrical safety or water intrusion issues.

Who is this for: Pool owners and service technicians who use basic Dolphin robotic cleaners (Active 10, E10, S50 and similar) and need a reliable, OEM‑compatible power supply replacement. If you want to restore your cleaner to factory‑spec power without upgrading to Wi‑Fi models, the Hihitomorrow 99956034 offers a direct swap that includes the required cord and robustness features for poolside conditions.