Best portable power station deal: Save $500 on the EF EcoFlow Delta Pro 3

SAVE $500 + FREE ITEM: As of Oct. 28, the EF EcoFlow Delta Pro 3 is on sale for $3,599, down from $4,099, at Amazon. That's a 12% discount. Plus, get a free portable solar panel or portable power station with purchase.

If you find yourself needing to charge your phone or other devices often, a small portable power station is ideal. But if you need to handle more long-term power outages or even go off-grid for a while, you need something decidedly more beefy. That means splurging on a backup power system that can handle just about any of your electricity needs. And you can get one for a great price right now at Amazon.

As of Oct. 28, the EF EcoFlow Delta Pro 3 is on sale for $3,599, down from $4,099, at Amazon. That's a 12% discount and $500 off. Plus, get a free portable solar panel or portable power station with purchase.

The Delta Pro 3, which offers 4kWh of power and an extra 4kWh battery, gives you 8kWh of capacity in all, which means you've got plenty of electricity to keep you going. Power up your devices, run small appliances and even heaters to keep you warm if you're in an emergency. You've got enough power to keep you ready to go for any situation, with 4000W output and 120V and 240V options, which can get you through some hairy situations if needed.

In addition to this beefy battery-powered backup, you also get a free item with purchase, including a solar-powered battery or another smaller power station. All you need to do is add a qualifying item to your cart and go from there. Your discount will automatically be applied at checkout.

Winter is an especially bad time to run out of electricity. So make sure you're prepared with this power station.