March 20, 2026 The My Mestic Team

Power Station Second-Hand: What to Check Before Buying

Power Station Second-Hand: What to Check Before Buying covers a topic that is increasingly relevant as more campervan and motorhome owners seek independence from campsite hook-ups. Portable power has evolved rapidly, and understanding the current options helps you make smart decisions.

The State of Portable Power

Portable power stations have exploded in popularity over the past few years. These self-contained units combine a lithium battery, inverter, charge controller, and various output ports in a single box. They range from small 200Wh units for phone charging to massive 3000Wh+ systems capable of running high-draw appliances.

The appeal is simplicity. Unbox it, charge it, and start using it. No wiring, no installation, no electrical knowledge required. However, this convenience comes at a cost premium compared to equivalent-capacity component systems, and the sealed design limits future upgrades.

What to Look For

Key specifications to evaluate include battery capacity (Wh), continuous inverter output (W), peak inverter output (W), battery chemistry (LFP preferred for longevity), cycle life, weight, and charging input options. Solar input wattage matters if you plan to recharge off-grid; a unit that only accepts 100W solar input will charge slowly from a 200W panel.

Pure sine wave inverters are essential for sensitive electronics. Modified sine wave inverters are cheaper but can damage some devices and produce audible hum in speakers and fans. Most quality power stations now use pure sine wave, but check the specifications.

While Mestic does not currently produce a dedicated power station, their lithium battery and solar panel ranges provide a reliable alternative. The MLB-100 Smart (100Ah, £654.99) paired with a Mestic foldable solar panel and MPPT charge controller creates a modular power system that you can expand over time. Unlike a sealed power station, this approach lets you upgrade individual components as your needs change.

Practical Considerations

Weight is often underestimated. A 1000Wh power station typically weighs 10-15kg. A 2000Wh unit can weigh 20-25kg. In a campervan with payload limits, every kilogram counts. The Mestic MLB-100 Smart lithium battery at 100Ah provides substantial capacity at a lower weight penalty because you are not carrying the built-in inverter and housing.

Think about how you will charge the unit. Mains charging is fastest but requires access to a socket. Solar charging depends on panel size and weather. Vehicle 12V charging is possible but slow via a standard cigarette lighter socket. The most flexible approach is a system that accepts multiple charging sources simultaneously.

Final Thoughts

Portable power stations serve a real need for camping independence. Evaluate your actual requirements, compare the power station approach against a modular battery and solar system, and choose the option that fits your camping style and budget.