Yewpiny EM300 Portable Power Station — 259Wh

A defined energy budget for smaller plug-in loads.

The EM300 combines a 259Wh battery with 300W AC output in the listed 100–120V configuration.

Choose the station around the devices and connections you actually need. Stored energy, output limits and the selected package each answer a different part of that decision.

Yewpiny EM300 Portable Power Station — 259Wh

Build the setup around these details.

259Wh battery capacity Capacity is the stored-energy budget. The connected load and system losses determine how that energy is used.

300W AC output Check the connected equipment against the rated output and any separate surge or waveform requirements.

USB-C charging ports Compare the device, port and cable requirements when choosing a direct charging connection.

Plan the load and the energy budget.

The capacity figure does not promise a fixed runtime. Connected devices, their operating patterns and conversion losses affect operating time. Check voltage, rated output and startup demand before connecting an appliance.

Specifications and selected configuration

259Wh battery capacity
300W AC output
100–120V AC output
USB-C charging ports
Standalone power station; solar panel sold separately

Before you choose

What selected configuration or accessory condition should I check?

Standalone power station; solar panel sold separately

How should I compare capacity and output?

Capacity describes stored energy. The rated output and connection limits determine which loads can be connected; any surge figure is a separate short-term specification.

Can I assume a fixed runtime?

No. Runtime depends on the connected load, operating pattern, conditions and conversion losses.

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Yewpiny EM300 Portable Power Station — 259Wh