A portable power station (PPS) is an energy-storing unit — the best friend to any intrepid explorer who likes to stay connected while traveling. In simple terms, it's like an oversized rechargeable battery that stores power for later use. PPS units vary in capacity, usually measured in watt-hours. The higher the watt-hours of. Solar generators are similar to portable power stations, with one key difference: they generate energy. A PPS can only store energy, but a solar generator can create it using solar. To close off our comparison, let's talk about practicalities. Though both devices are handy for keeping you connected, there are specific. So there you have it! Now you're ready to go out into the wilderness (or plan the perfect event!) without worrying about how you will power it. If you ever feel stuck, just remember that the critical.