What Size Solar Generator Do Preppers Really Need?

 

What Size Solar Generator Do Preppers Really Need?

When it comes to planning for emergencies or off-grid living, choosing the right solar generator is crucial for preppers. The answer to what size you need largely depends on your specific requirements, including the devices you aim to power, how long you need them to run, and your budget. This guide will break down the factors preppers should consider to determine the perfect size solar generator for their needs.

What Is a Solar Generator?

A solar generator is an all-in-one system that includes solar panels (for collecting solar energy), a battery (for energy storage), and an inverter (for converting the stored energy into usable electricity for your devices). Unlike gas-powered generators, solar generators are quiet, emission-free, and perfect for long-term preparedness.

Key Considerations for Choosing the Right Size

1. Calculate Your Power Needs

The first step to choosing the right solar generator is understanding how much power you’ll need. To do this:

  • Make a list of all the devices and appliances you want to run during an emergency (e.g., lights, refrigerator, phone, laptop, medical devices, etc.).
  • Check the wattage of each item. You can usually find this on the device label or user manual.
  • Add up the wattage for all devices you want to run at the same time.

For example:

  • LED lightbulb = 10 watts
  • Laptop = 50 watts
  • Mini refrigerator = 100 watts
  • Phone charger = 10 watts

Total = 170 watts

To account for surges or extra power needs, multiply the total by 1.5.

Example: 170 watts x 1.5 = 255 watts.

This means you’d need a solar generator capable of powering 255 watts at any given moment.

2. Determine Battery Size

Battery capacity in solar generators is measured in watt-hours (Wh). This determines how long you can run your devices. For instance, if your total power draw is 255 watts and you want to run your devices for 8 hours, you’d need:

255 watts x 8 hours = 2040 watt-hours

Look for a generator with at least a 2040Wh battery capacity to meet your requirements.

3. Consider Charging Needs

Preppers often look for generators that can recharge quickly using solar panels, especially in a grid-down scenario. Keep these factors in mind:

  • Solar Panel Compatibility: Check the maximum solar input the generator can accept. A higher input means faster charging.
  • Weather Conditions: Cloudy days will reduce solar input, so having a larger battery size can help compensate for slower recharging.

4. Account for Essential vs. Non-Essential Devices

It’s important to prioritize your must-have devices to avoid buying an unnecessarily large and expensive generator. Focus on life-sustaining and communication devices, such as:

  • Medical devices (CPAP machines, oxygen concentrators)
  • Lights and essential appliances (refrigerators, fans)
  • Communication tools (phones, radios)

Non-essential items, like televisions or gaming consoles, can be powered by smaller companion generators or left out altogether in true emergency scenarios.

5. Portability vs. Power

Size plays a big role depending on your prepping strategy.

  • If you’re bugging in (staying in one place), a larger generator with a high-capacity battery is ideal. It ensures you can power multiple devices for longer durations.
  • If you’re bugging out (on the move), portability matters more. Look for lighter models (under 20 lbs) with foldable solar panels that are easy to carry.

6. Factor in Expandability

Some models allow you to expand their battery capacity by adding additional batteries or solar panels. This is a great feature, especially if your needs grow over time or if you want to increase backup power for prolonged outages.

Solar Generator Size Recommendations for Preppers

Here’s a quick reference guide based on typical prepper scenarios:

Small Solar Generator (300-500 Wh)

  • Best For: Charging phones, LED lights, small fans, or running small electronics.
  • Example Models: Jackery Explorer 300, Goal Zero Yeti 400.
  • Ideal If: You need a lightweight, portable option for short-term emergencies or travel.

Medium Solar Generator (1000-1500 Wh)

  • Best For: Running a mini fridge, laptops, medical devices, and several lights for a day or two.
  • Example Models: EcoFlow Delta 1300, Bluetti AC200P.
  • Ideal If: You need versatile power for a 1-3 day emergency but still want portability.

Large Solar Generator (2000+ Wh)

  • Best For: Powering larger appliances like full-size refrigerators, power tools, or even a small home in off-grid scenarios.
  • Example Models: Bluetti AC300 + B300, Titan Solar Generator.
  • Ideal If: You’re preparing to power your entire household during extended emergencies.

Don’t Forget Solar Panels

The generator is just one piece of the puzzle. Invest in high-efficiency solar panels for recharging your generator. For example:

  • A 100W panel can take 10-12 hours to charge a 1000Wh generator.
  • A 400W panel can reduce that time to just a few hours.

Choose foldable or portable panels if you’re bugging out, or install rigid panels for a home-based setup.

Final Thoughts

The "perfect" size solar generator depends on your specific prepping strategy, power requirements, and mobility needs. For most preppers, starting with a medium-sized generator (1000-1500Wh) is a safe bet, offering a balance of portability and power for typical essentials. Pair it with efficient solar panels to ensure you’re ready for the long haul in any emergency.

Prepare now and power through later. When the unexpected happens, the right solar generator will keep you connected, safe, and self-reliant. So don’t wait, invest in a solar generator and start prepping for the future today! Remember to regularly check your generator's charge and perform any necessary maintenance to ensure it is always ready when you need it. With proper care and preparation, a solar generator can provide a reliable source of energy for years to come. Happy prepping!

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