The lights go out. Your phone doesn't.
Every feature here exists because there was no outlet. Nothing is on the sheet to pad it out.
Leave it in a window and it fills itself back up. Slowly, over days — but it means the one in your drawer is never flat when the power goes.
A 10W wireless pad on the face. No hunting for the right cable end in the dark with a torch in your teeth.
USB-C, Lightning and micro-USB built into the body. Nothing to forget on the kitchen counter when you're leaving in a hurry.
Hurricane season hit and we lost power for three days — this was the only reason I could keep my phone alive to check weather alerts and stay in touch with my mom.
I live by myself and my biggest worry is not being able to call my daughter if something happens — I keep this charged on my kitchen counter and it makes me feel so much safer knowing I'll always have a way to reach her.
I spend weeks out in the backcountry where there's no outlet for miles — I clip this to my pack, it charges in the sun while I hike, and I've never once run out of battery on a trip.
I've been living out of my van for eight months and this is the one piece of gear that's never let me down — it charges from my dashboard sun and keeps my phone and speaker going all day without needing to run the engine.
About two full charges for a typical modern smartphone. Capacity is rated at 10,000mAh (37Wh), and real-world output is always lower than the raw cell number because of voltage conversion — that's true of every power bank on the market, including the ones claiming six.
Yes, but slowly — days of good sun, not hours. Think of it as the thing that keeps the unit alive in a drawer between emergencies, not a way to refill it in an afternoon. Charge it from USB-C while you have power; let the sun hold it there.
It's rated IP65 — dust-tight and protected against water jets from any direction. Rain, spray and a soaked pack are fine. It is not rated for submersion, and we won't tell you otherwise.
Yes. At 37Wh it sits well under the 100Wh airline limit, so it travels in carry-on. Lithium batteries must never go in checked luggage.
Up to three — two wired outputs plus the wireless pad. Running several at once splits the available power, so each charges more slowly.
30 days money-back if it isn't right for you, and a 90-day return window on the product itself. Send it back and we refund it — no restocking fee, no argument.
One year on the unit itself — battery, ports and LEDs in normal use. Support is for as long as you own it, and there is no subscription, no account and nothing to cancel.
Rain sideways, torch dead, phone at four percent. This one throws a working beam or a repeating SOS, and the housing is dust-tight and sealed against water jets from any angle. Nothing about it assumes fair weather.
IP65 is a sealed-enclosure rating, not marketing language. Dust cannot get in; water jets cannot get in. Submersion is a different rating, and we don't claim it.
| When the power is out | OSTNER® | Normal power bank |
|---|---|---|
| Refills itself from the sun | ✓ | — |
| Charges your phone with no cable | ✓ | — |
| Survives rain, dust and a soaked bag | ✓ | — |
| Gives you light, and an SOS signal | ✓ | — |
| Cables already attached | ✓ | — |
| Finds north when your maps are dead | ✓ | — |
| Keeps three people in contact at once | ✓ | — |
Two full phone charges from one fill, a working light on the porch step, and a panel quietly pulling the battery back up through tomorrow's clear afternoon. That is the whole job.
If it isn't what you expected, send it back within 30 days for a full refund — no questions, no restocking fee. The product itself carries a 90-day return window on top of that. We'd rather have the unit back than have it sit unused in your drawer.