PortablePowerBackup.com
Reliable power,
wherever you need it.
Honest reviews and buying guides for solar generators, panels, power banks, and every accessory that keeps your power on — at home, off-grid, or on the go.
Explore by Category
Find the generator, panel, power bank, or accessory that fits your setup.
Solar & Fuel Generators
Solar Panels & Components
Power Banks & Chargers
Latest Guides
Fresh how-tos and buying advice to keep your power on.
Why Does My Gan USB Charger Not Work for Travel Abroad?
You packed your new GaN charger for your trip, but now it won’t power your phone. This is a frustrating…
Read more
Why Does My Solar Panel Open Circuit Voltage Fluctuate 7V to 17V on this Controller?
I see this question a lot from people setting up small solar systems. If your panel’s voltage jumps between 7V…
Read more
Why Does My Foldable Solar Panel Drain Faster than My Smaller Battery Banks?
You’ve noticed your foldable solar panel seems to drain your smaller battery banks faster than expected. This is a common…
Read more
How Can I Keep My Gan USB Charger from Sliding Around on My Desk?
I know how annoying it is when my GaN charger slides across my desk every time I plug in a…
Read more
Why Does My Gan USB Charger Charge My Apple Watch so Slowly?
You plug your new GaN USB charger into your Apple Watch, expecting fast power. But the watch seems to crawl…
Read more
Why is My Gan USB Charger Slower than My 65W Unit?
You plug in your new GaN charger expecting lightning speed, but your old 65W unit seems faster. This is frustrating,…
Read more
Why Can’t I Tell Which Port on My Gan USB Charger Gives the Most Power?
You plug in your laptop and phone, but you’re not sure which port on your GaN charger will actually fast-charge…
Read more
Would My Foldable Solar Panel Need to Produce Same Wattage as My Phone Charger?
When you buy a foldable solar panel, you might wonder if it needs to match your phone charger’s wattage exactly.…
Read more
Why is My Laptop Losing Battery While Plugged into My Gan USB Charger?
You plug your laptop into your shiny new GaN USB charger, expecting it to charge up fast. Instead, you watch…
Read more
Why is the 12V Extension on My Solar Charge Controller Not Functional for Reasonable?
You plug a device into the 12V extension on your solar charge controller, and nothing happens. This is frustrating, especially…
Read more
Why Does the Board on My Solar Charge Controller Stress when Using USB or 12V Output?
I’ve noticed my solar charge controller board gets hot and makes a buzzing noise when I plug in my phone…
Read more
Why Does this Foldable Solar Panel Company Seem Fly by Night?
You found a foldable solar panel company with prices that look too good to be true. Now you are wondering…
Read more
Why Won’t My Battery Cables Stay Connected to the Solar Charge Controller?
I know how frustrating it is when your battery cables keep popping off the solar charge controller. This problem stops…
Read more
Why Won’t My Gan USB Charger Stay in a Loose Electrical Outlet?
It is incredibly frustrating when your new GaN USB charger keeps falling out of the wall outlet. This problem makes…
Read more
Why Can’t I Charge My Foldable Solar Panel Battery from the Built-In Cables?
You plug your foldable solar panel into its own battery port and nothing happens. This is a common frustration that…
Read more