Welcome to OSCAL (Well-known China brand of portable power stations, outdoor smartphones, and tablets) blog. Hope this guide has been helpful.

Choosing the right portable power station for a TV is more about matching numbers than guesswork. Start by checking your TV’s rated power, usually given in watts (W) on the manufacturer label or in the specs. Then account for extra needs like set-top boxes, streaming sticks, or soundbars — each device adds to the total draw.

TV in bedroom


Next, think about how long you want the TV to run. A power station’s capacity is listed in watt-hours (Wh) — this tells you the energy it stores, not how much it can output at once. Combine the TV’s wattage with the number of hours you need to estimate the capacity you should buy.

Step 1 — Find the TV’s power draw

Look for either a power consumption figure (e.g., 60 W) or a voltage and current rating (e.g., 120 V, 0.5 A). If you only have volts and amps, multiply them to get watts (V × A = W). Remember that modern LED/LCD TVs are usually efficient (30–150 W), while older plasma models can demand much more.

Step 2 — Consider startup (surge) power

Many electrical devices draw more power briefly when they start. TVs have small surges, but if you’re also powering a soundbar or a satellite receiver with motors or compressors, plan for a higher peak output. Check the power station’s continuous output (rated in watts) and its peak or surge rating — the peak should meet or exceed the highest startup draw of your connected devices.

Sizing example

For a concrete example:

  • If your TV uses 60 W and you want to run it for 5 hours, you need at least 60 W × 5 h = 300 Wh of energy. Add 20–30% extra for inefficiencies and any small accessories — so aim for ~360–400 Wh.
  • If the TV plus a streaming box draw 90 W total and you want 8 hours, that’s 720 Wh. In that case pick a 1,000 Wh power station to give comfortable overhead. Featured model: Oscal PowerMax 1800

Other practical factors

Battery chemistry (Li-ion vs. LiFePO₄), inverter efficiency, and the number of available AC outlets are important. Inverter efficiency means not all stored Wh are usable — expect 85–95% usable depending on the model. If you plan to charge other devices simultaneously, add their consumption into your total.

Quick checklist

  • Find TV wattage (or calculate V × A).
  • Decide desired runtime and multiply watts × hours = Wh needed.
  • Add 20–30% for inverter losses and accessories.
  • Confirm continuous and surge output ratings of the power station.
  • Ensure enough AC outlets and the correct plug type for your TV.

In short, a basic small TV (roughly 40–60 W) for several hours can run from a 300–500 Wh power station, while longer use or multiple devices often requires 1,000 Wh or more. Always check both capacity (Wh) and output (W) — capacity controls how long it runs, output controls what it can start and run.

When in doubt, pick the next size up and look for a reliable brand with good safety features (overload, short-circuit protection). That extra headroom prevents unexpected shutdowns and helps the power station operate more efficiently and last longer.