SolidSafe™ Duo · Magnetic power bank
The first power bank built for iPhone Duo.
- Gold Award Movies Games and Tech
- 8/10 Cubed3
A custom 5,000mAh cell, shaped to sit inside iPhone Duo's edges. With a 360° stand, full-color display and attached cable.
Buy now · $79.99- Free US shipping
- 30-day returns
- 2-year warranty
In stock. Ships from California.
Get the highlights.
What the press is saying.
“Solves the iPhone Duo size problem with a cool twist.”
Digital Trends Launch coverage, Sept 10, 2026
8/10“Genuinely sturdy rotating stand.”
Cubed3 Hands-on review, Sept 29, 2026
Gold Award“The LCD screen ... and the useful fold-out stand.”
Movies Games and Tech Review, Sept 12, 2026
★★★★★“I love that it is more easily pocketed ... The stand is a useful touch, and I love the new round color screen.”
Kevin H., verified buyer Oct 8, 2026
“The inclusion of a 360-degree rotating ring stand is genuinely useful.”
Coolsmartphone Hands-on, Sept 11, 2026
“Allowing owners of the Duo to enjoy media on the wide, unfolded display hands-free.”
Notebookcheck Launch coverage, Sept 9, 2026
BMX as seen in
15W magnetic wireless
Snap it on.
It snaps magnetically to iPhone Duo for up to 15W wireless charging. No cable to find or port to line up.
Full-color display
Watch it charge.
Battery left comes first, then live wattage.
Custom iPhone Duo footprint
The phone changed shape. So did the battery.
Most magnetic power banks keep the old phone-shaped footprint. SolidSafe™ Duo starts with iPhone Duo. Its custom-made 5,000mAh cell is sized to the phone, so the whole bank stays within the phone's edges.
- 77
- mm wide
- 88
- mm tall
- 11
- mm thin
- 126.7
- grams
“Sized to stay within the edges of the iPhone Duo while attached.”Digital Trends, Sept 10, 2026
360° rotating stand
Hands-free at any angle.
Open it up
Open it. Watch it.
Unfold iPhone Duo and the stand keeps holding.
Everyday
Walk with it. Watch with it.
What's inside
One cell. Made to fit.
A custom 5,000mAh semi-solid-state cell, made to the iPhone Duo footprint.
Semi-solid-state
Less liquid. Less worry.
Semi-solid-state cells use significantly less liquid electrolyte than conventional lithium-ion, helping reduce fire risk.
Illustration. Semi-solid-state cells use significantly less liquid electrolyte than conventional lithium-ion.
Attached USB-C lanyard
The cable comes with it.
Wired when you need it
20W out. 15W in.
Charge two devices at once: 10W over USB-C plus 5W wireless.
Specifications
Know what you're carrying.
Works with
- iPhone Duo
- iPhone 18 Pro
- iPhone 17
- iPhone 16
- iPhone 15
- iPhone 14
- iPhone 13
- iPhone 12
- Google Pixel Fold
In the box
- SolidSafe™ Duo power bank
- USB-C lanyard cable, attached
- Quick Start Guide
Wall charger sold separately.
Specifications
| Battery capacity | 5,000mAh |
|---|---|
| Energy | 19.55Wh |
| Rated capacity | 3,000mAh at 5V/2A |
| Battery platform | Semi-solid-state cells |
| Wireless output | 5W / 7.5W / 15W |
| USB-C output | Up to 20W (5V/3A or 9V/2.22A) |
| Dual-device output | 10W USB-C + 5W wireless |
| USB-C input | Up to 15W (5V/3A or 9V/1.67A) |
| Display | Full-color TFT LCD |
| Stand | 360° rotating ring stand |
| Attached cable | USB-C lanyard cable |
| Material | CNC aluminum |
| Dimensions | 77 × 88 × 11mm |
| Product weight | 126.7g |
At 19.55Wh, SolidSafe™ Duo falls below the standard 100Wh carry-on battery limit. Check your airline's rules.
FAQ
Straight answers before you carry it.
Why is SolidSafe™ Duo made for iPhone Duo?
Its custom 5,000mAh cell follows the phone's footprint, keeping SolidSafe™ Duo within the phone's edges while adding wireless power, a rotating stand, a full-color display, and an attached USB-C cable.
Which phones does it work with?
iPhone 12, iPhone 13, iPhone 14, iPhone 15, iPhone 16, iPhone 17, iPhone 18 Pro, iPhone Duo, and Google Pixel Fold.
When will it arrive?
Free US shipping from California. Most orders arrive within 5 business days.
How fast does SolidSafe™ Duo charge?
It provides up to 15W wireless charging or up to 20W through USB-C.
Can it charge two devices simultaneously?
Yes. Dual output provides 10W through USB-C and 5W wirelessly.
What does the display show?
The full-color display puts remaining battery capacity first and also shows live charging wattage.
What can the rotating stand do?
The ring rotates 360° to support portrait reading, landscape video, calls, and desk viewing while your phone charges.
How does SolidSafe™ Duo help reduce fire risk?
Its semi-solid-state cells use significantly less liquid electrolyte than conventional lithium-ion, helping reduce fire risk. No battery is completely risk-free.
Can I recharge it with the attached cable?
Yes. The attached USB-C cable charges devices and recharges SolidSafe™ Duo at up to 15W.
Can I take it on a plane?
At 19.55Wh, SolidSafe™ Duo falls below the standard 100Wh carry-on battery limit. Carry power banks in carry-on luggage and check your airline's rules.
Does it get warm?
Power banks can warm under load. The CNC aluminum housing helps dissipate heat through the body during charging.
What if it's not right for me?
Every order has 30-day returns and a 2-year warranty. See warranty and returns.
SolidSafe™ Duo
Ready when your iPhone Duo is.
The first power bank built for iPhone Duo. 5,000mAh, 360° stand, full-color display, attached USB-C cable.
Buy now · $79.99Pack savings are not combinable with other promo codes.
- Free US shipping
- 30-day returns
- 2-year warranty
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