MJPOWER 65W AC/DC Adapter for GRECELL T300 Portable Power Station — FJ-SW20171504000D Plug, UL/CE Certified, Extra-Long Cable

MJPOWER 65W AC/DC adapter replaces the original charger for GRECELL T300 and compatible 300W portable power stations, delivering up to 65W of regulated charging for fast, safe recharges.

This compact replacement power supply is designed to revive and maintain small to mid-capacity solar generators and portable battery units that use the FJ-SW20171504000D plug. Built to work with GRECELL models like the T300 (288Wh) and several other 256–330Wh LiFePO4/ lithium-ion stations, the adapter provides a stable 60–65W output with built-in protections and a long AC cable for convenient setup.

How does this adapter match my GRECELL T300 or similar station?

The MJPOWER adapter is manufactured to match the input requirements and plug style of the GRECELL T300 and compatible models, ensuring correct voltage, polarity and connector fit. It accepts universal mains voltages (100–240V) and outputs the required 60–65W to charge the station efficiently.

• Compatible with GRECELL T300 300W (288Wh) and select GRECELL HW01 units
• Works with similar 256–330Wh portable stations (e.g., some Anker and Westinghouse models)
• Positive-tip connector configured to original FJ-SW20171504000D pinout
• Universal mains input: 100–240V, 50–60Hz

What safety features and certifications are included?

The adapter includes multiple electronic protections and is tested to recognized safety standards to reduce risk from surge, overcurrent or short circuits. Materials and internal components meet flame-retardant and regulatory benchmarks for household electronics.

• Built-in OVP, OCP and SCP protections for safe charging
• V-0 grade flame-retardant housing material
• Certified to UL, FCC, CE and RoHS where applicable
• Manufactured under quality-control checks for reliable operation

How convenient is the adapter in daily use and travel?

Designed with portability and setup ease in mind, the MJPOWER charger is compact and includes a long AC cable so you can place the power station away from the wall outlet. The adapter’s plug and cable length let you charge in garages, campsites, vans or living rooms without awkward positioning.

• Includes an extra-long AC power cord (total length up to about 10 ft)
• Lightweight brick-style adapter for simple storage and transport
• Stable output suited for indoor and sheltered outdoor charging scenarios
• Plug-and-play replacement — no wiring or setup required

What comes in the box and what warranty support is provided?

Each package includes the MJPOWER 65W AC/DC adapter and the matching AC power cable, both UL listed. Customer support includes a 12-month warranty and clear return/exchange options to help if the charger is not a perfect fit.

• 1x MJPOWER 65W (60–65W) power adapter (UL listed)
• 1x AC power cable (UL listed) included
• 12-month limited warranty and 30-day exchange policy
• 24/7 email support and a money-back/exchange guarantee

Who this is for: This replacement adapter is aimed at owners of GRECELL T300 and other small to medium portable power stations (roughly 200–330Wh) who need a reliable, certified charger with built-in safety protections and a long cord for flexible placement. It’s also a good option for anyone replacing a lost or damaged OEM charger who wants a cost-effective, tested power supply compatible with common 300W-class solar generators.