Portable solar panels are gaining popularity as folks look for a simple, sustainable way to juice up their devices while off the grid. Whether you’re a hardcore backpacker heading deep into the wilderness or a sunbather hoping to get some work done in your local park, there’s a personal solar panel out there suited to your needs. Portable solar panels are also a great way to familiarize yourself with renewable energy. While you may not be ready to install a solar roof on your house, charging a phone or laptop with a small panel can help you gauge the light levels in your area and see how well solar power may be able to meet your needs.
Factors to keep in mind
Even though most portable solar panels are easy to set up and simple to use, there’s always a lot to consider when investing in a new piece of technology. We’ve gathered what we think are the most important factors to think about before you start powering up in the great outdoors.
Wattage
Start by figuring out how much electricity you need. Some personal panels are available in a number of different wattages—a measure of pure electrical power. For example, the Goal Zero Boulder Briefcase, a panel that folds into a compact rectangle with handles for easy portability, is available in 50-watt, 100-watt, and 200-watt varieties. The designs with higher wattages are larger and more expensive, so the best panel for you will depend on what electronics you’re hoping to power. Make sure you read our guide on how to properly charge devices when you’re done here. Lower-wattage panels won’t prove useless in your mission to stray away from traditional energy sources, but they may charge your devices more slowly than you’re used to. For best results, take a look at your device’s specifications and figure how much power their charging cables allow in. This can help prevent you from buying a panel with a wattage that exceeds your devices’ limits.
Power storage options
Many portable panels come with the necessary cables and batteries you’ll need to store electricity for later. A power bank is especially helpful if you hope to use solar energy when there’s no sun: illuminating a campsite at nighttime, charging your phone during a thunderstorm, or keeping your laptop running on a cloudy afternoon are all good examples. If you want to stock up on solar power, consider purchasing a kit that includes the necessary batteries, converters, and cables. It’s also possible to skip the accessories and use your solar power instantly. Many portable panels have USB ports that allow you to charge your electronics directly. A small, lightweight option may be all you need to keep your phone or laptop running on a sunny day. Foregoing batteries and cables can also help keep the cost of your solar setup low.
Portability
The size, weight, and design of your personal solar panel will all determine its portability. If you’re planning to drive to a sunny field to get some work done, a heavier and more bulky panel might be fine: you can keep it in your car until you reach your destination, so its size and weight won’t be an issue. On the other hand, backpackers and hikers should choose small, lightweight panels that won’t become a burden on long outdoor treks. Before you buy, make sure you check a panel’s weight and dimensions, as well as those of all its accessories.
Weather resistance
Price
Price will vary depending on your panel’s power output, energy storage components, and overall bulk. It’s possible to find small power packs with solar components in the $20 to $30 range, but a larger (and more powerful) panel can cost as much as a few hundred dollars. No matter your needs, there’s a panel out there that can help you venture off the beaten path.
