SOLIDSAFE 10K

10K Semi-Solid-State Magnetic Power Bank

Sale price$79.99
Color: Silver
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SKU: B939-10-SI

SolidSafe 10K

Built safer. Built smarter.

Semi-solid-state cells, a live LCD readout, Qi2 wireless, and a built-in USB-C cable in one 10K power bank.

USB-C Lanyard

Built-in cable.

No extra cord.

Full-color LCD

See every charge.

Battery percent. Live watts.

Qi2 Wireless

Snaps on.

Magnetic charging.

Semi-solid-state

Safer battery cells.

Reduced liquid electrolyte.

Four finishes

Pick your finish.

Black. Blue.
Orange. Silver.

Simultaneous

Charge 3

Cable. Port. Wireless.

Wired output

30W USB-C

Fast wired output.

All-day power

10,000 mAh

All-day backup power.

Aluminum body

Dissipates
heat.

Clean, durable enclosure.

Travel

Carry-on
friendly.

Under 100Wh.

In the press

Built different. Reviewed that way.

"It could be a game changer for smartphones."

"Really delivers on what it promises."
"A well-built, intelligently designed charging solution."
"BMX is doing something that no other major player in the mobile space is currently doing."

Semi-solid-state

Built different from the inside.

<p>SolidSafe uses semi-solid-state cells with significantly less liquid electrolyte than conventional lithium-ion. Less liquid means less fuel for the failures behind battery fires.</p>

Full-color LCD

See what is left.

<p>The LCD shows battery percentage and live charging wattage, so you know when to top up and how fast each device is charging.</p>

SolidSafe 10K charging an iPhone magnetically with Qi2

Qi2 magnetic

Snaps on. Charges Fast.

<p>Qi2 gives you 15W magnetic wireless charging when you do not want to plug in. The alignment is automatic, so the phone lands where it should.</p>

Blue SolidSafe 10K with built-in USB-C lanyard cable and LCD

Built-in USB-C

Cable, Always With You.

<p>The USB-C lanyard stays with the bank for faster wired charging or refilling the pack. No separate cable hunt.</p>

Close-up of the SolidSafe 10K aluminum body and dual USB-C ports

CNC aluminum

Aluminum that helps with heat.

<p>The CNC aluminum body feels solid in hand and helps spread heat during charging. It is a cleaner build than the plastic shells common in this tier.</p>

9TO5MAC TEST

Put through the kind of test most power banks avoid.

9to5Mac put SolidSafe through a hands-on abuse test and showed the pack continuing to charge afterward. No mystery quote needed, just the proof on video.

Details

Product details, in plain English.

The quick receipt: more capacity than 5K, two USB-C ports, Qi2 magnetic wireless, LCD readout, built-in cable, and semi-solid-state cells.

Semi-solid-state cells Significantly less liquid electrolyte than conventional lithium-ion, which helps reduce fire risk.
10,000mAh / 38.5Wh About two phone charges for long days, travel, and heavier use.
Dual USB-C + Qi2 Charge a phone, earbuds, and another small device at the same time.
30W USB-C output Use wired power when speed matters. Refill the bank at up to 27W.
Full-color LCD See battery percentage and live charging wattage instead of guessing.
Built-in lanyard cable The USB-C strap stays with the bank for wired charging or recharging the pack.

Specs

Product specifications

The researcher track. Exact capacity, output, size, weight, ports, and what comes in the box.

Capacity
10,000mAh / 38.5Wh
Under the 100Wh carry-on battery limit.
Wireless
Qi2 magnetic wireless charging, up to 15W
USB-C output
Dual USB-C, 30W total Power Delivery
USB-C input
27W max input
Devices
3 at once: two USB-C devices plus Qi2 wireless
Display
Full-color LCD with battery percentage and charging wattage
Size
102.7 x 72.7 x 18.9 mm
Weight
230.5 g
In the box
SolidSafe 10K power bank and 60W USB-C cable
Warranty
2-year limited warranty

Quick answers

Questions, answered quickly.

The practical stuff: capacity, flying, device fit, safety, charging speed, and what is included.

The practical answers, shown step by step.

Is 10,000mAh enough for a full day?

Yes. SolidSafe 10K is the higher-capacity SolidSafe for heavy phone days, travel, or sharing power. Expect up to about two full phone charges depending on your device and use.

Can I fly with SolidSafe 10K?

Yes. SolidSafe 10K is 38.5Wh, below the 100Wh carry-on battery limit. Carry power banks in your carry-on, not checked luggage, and always follow your airline rules.

Why does the 10K model show 5,000mAh in the fine print?

SolidSafe 10K uses two 5,000mAh battery cells. Regulations require the capacity of each individual cell to appear on the compliance label, which is why 5,000mAh appears in the fine print. Combined, these two cells provide the full 10,000mAh capacity of SolidSafe 10K.

How is it different from SolidSafe 5K?

It doubles the capacity, adds a second USB-C port, increases total USB-C output to 30W, and can charge three devices at once. It is bigger, but built for longer days.

What does semi-solid-state mean here?

SolidSafe cells use significantly less liquid electrolyte than conventional lithium-ion. That helps reduce fire risk, and internal puncture testing showed no fire or thermal runaway.

What devices can it charge?

It charges MagSafe and Qi2-compatible phones wirelessly, plus USB-C phones, earbuds, small tablets, cameras, and other small USB-C devices. Wireless reaches up to 15W where supported, and USB-C output reaches 30W total.

Can it charge a laptop?

It is phone-first. The 30W USB-C output can help some low-power USB-C devices in a pinch, but laptop-first charging calls for a higher-output laptop power bank.

How fast does it recharge?

USB-C input reaches up to 27W. With a 20W or higher USB-C PD wall charger, it can reach about 80% in roughly one hour.

What comes in the box?

SolidSafe 10K and a 60W USB-C cable.

Customer Reviews

Overall rating: 4.1 / 5 from 71 reviews.

Customer photo review of SolidSafe™ 10K Solid-State Magnetic Power Bank

¡Simplemente excelente! Amo este producto. El acople magnético es súper firme y sumamente práctico para el uso diario. Los 10,000 mAh de capacidad son más que suficientes para mantener mi teléfono cargado todo el día sin interrupciones. El diseño es compacto y de primera calidad. ¡Totalmente recomendado, le doy 5 estrellas!

SolidSafe™ 10K Solid-State Magnetic Power Bank

Customer video review of SolidSafe™ 10K Solid-State Magnetic Power Bank

This is not Red, and why does it burn me when I wireless charge? Phone goes into thermal protection. Do you have empirical 3rd party lab audited data to back your claims

SolidSafe™ 10K Solid-State Magnetic Power Bank

Customer photo review of SolidSafe™ 10K Solid-State Magnetic Power Bank

I purchased this unit via Kickstarter campaign. After charging the unit the display goes wonky. They agreed to replace it but I haven't heard anything in over two weeks. Please help.

SolidSafe™ 10K Solid-State Magnetic Power Bank

Store owner replied: Sorry this has dragged on. Please email support@heybmx.com with your order number and the name or email used for the replacement request so we can look it up and get you an update.

Customer photo review of SolidSafe™ 10K Solid-State Magnetic Power Bank

I got three 10k solid state batteries to use in my coat and to use for work when I’m running low. These get used every day and work perfectly. 100% best buy I’ve had for battery packs.

SolidSafe™ 10K Solid-State Magnetic Power Bank

Customer photo review of SolidSafe™ 10K Solid-State Magnetic Power Bank

Very impressed with this power bank! I could tell this was solid right from the packaging. The power bank itself is super high quality. I love that it matches my phone and I don’t need to take my phone case off for the magnet to work. The lanyard doubling as a usb-c came in super clutch. Love the LED indicator, very clean. Very surprised at how fast it charges! Im used to wireless charging taking a long time but this is just as fast as the wall charger. Definitely recommend!

SolidSafe™ 10K Solid-State Magnetic Power Bank

Great power bank overall. I do wish the battery status would appear more quickly after pressing the button to wake the display, but it's not unbearable by any means. This only typically applies when I've had the power bank tucked away for a while and I want to periodically confirm the current state of charge.

SolidSafe™ 10K Solid-State Magnetic Power Bank

Ordered a couple of these batteries and multi charger because I was pleased with the first one I got. They claim it would arrive by UPS ground within 3-5 business days. It took them a full week to issue the shipping label. UPS claims batteries haven't shipped yet. Unacceptable in this day and age.

SolidSafe™ 10K Solid-State Magnetic Power Bank

Store owner replied: Hi Tomoharu, Thanks for sharing your feedback. I will send you a message from our support channel to see if we can get this sorted for you as there was a mishap on getting labels generated for a few orders and we caught it a couple days late. That's our bad. I will send you a message shortly. Thanks, BMX Customer Care

At first I thought it was very good, but after 3 months or so, I find the charge in the unit falls to zero after approximately 24-30 hours so I have to leave the charge cable connected continuously. This makes it a stationary charging pad, and means I can't take it with me for on the go usage. Gary

SolidSafe™ 10K Solid-State Magnetic Power Bank

The battery power packs are nice, but they take a long time to recharge from about 30 - 40%. Recharging your phone takes a while, and with a Pixel 10 Pro XL, you can only get 1 full phone charge if your phone is down to 30% or less. You'll not be able to fully charge your phone a second time.

SolidSafe™ 10K Solid-State Magnetic Power Bank

I went through a bunch of cases to make my s25 ultra work with this battery I use the air 5K ones a lot and there's no problem with charging or connectivity. But for some reason the 10k ones have given me an issue on my s25 ultra although they work perfectly with my S 23 ultra. I do use them with the attached ultrafast charge cord and it really does charge up my phone fast I like his power Banks I have five of them

SolidSafe™ 10K Solid-State Magnetic Power Bank

Store owner replied: Thanks for your feedback Richard! We appreciate your support!

While it charges quickly it also discharges too quickly for a 10 MaH battery pack. I think the values are inflated. It also is very hot.

SolidSafe™ 10K Solid-State Magnetic Power Bank

Store owner replied: Thanks for flagging this. A 10K pack should deliver more usable charge than what you are describing, even with normal efficiency loss from wireless charging and heat. Please email support@heybmx.com with your order number, phone model, cable or wireless setup used, and a photo of the serial or batch number on the side so we can help check the unit.

Battery drains way too fast 30 seconds after charging starts it’s already down to 90%. That’s not how it supposed to work. This is the second battery sent to me the first one stopped working the first time I used it. So far I am unimpressed. Bought it through kickstarter

SolidSafe™ 10K Solid-State Magnetic Power Bank

Store owner replied: Sorry about that. A replacement unit should not drain that quickly either. Please email support@heybmx.com with your order number, the phone or device you are charging, and a photo of the serial or batch number on the side so we can check the unit and help with the right next step.

It gets hot. I bought two. One has failed and won’t charge

SolidSafe™ 10K Solid-State Magnetic Power Bank

Store owner replied: Sorry about that. One unit failing to charge is not expected. Please email support@heybmx.com with your order number, a photo or short video of the failed unit, and a photo of the serial or batch number on the side so we can help with a replacement, return, or the right next step.

Use for Galaxy Z Fold 6 smartphone and your power bank drains too quickly

SolidSafe™ 10K Solid-State Magnetic Power Bank

Store owner replied: Thanks for the feedback. Larger phones like the Z Fold line can draw more power, and the listed power-bank capacity is not the same as the exact percentage your phone receives. Some energy is lost during voltage conversion, and wireless charging loses more through heat and alignment than USB-C. For the most efficient charge, use the included USB-C cable. If the unit is draining unusually fast, email support@heybmx.com and we will help check it.

It is ok/good. The pic on the website is misleading. It does not magnetically attach to my Pixel 9 XL Pro. Other reviews indicated similar issue. I like the semi-solid state aspect of it. Much smaller and lighter than my previous litium-ion power bank by a leading competitor. The cable loop cord is clever and helpful since I must rely on the cable connection to top-off my Pixel and other devices (headphones). Traveling soon so hopefully it will perform well.

SolidSafe™ 10K Solid-State Magnetic Power Bank

Great product. Took me a few min to figure out that the handle was also the charging cable, but after that was easy to charge the unit and recharge my devices.

SolidSafe™ 10K Solid-State Magnetic Power Bank

Just received the replacement for the original which became inoperable after the first use. I haven’t used the replacement that I’ll be. It doesn’t become inoperable after its first use again. I was treated well with by the Customer Service who quickly sent me a replacement unit.

SolidSafe™ 10K Solid-State Magnetic Power Bank

Store owner replied: Thanks for giving us the chance to make it right. Sorry the original unit had an issue, but we are glad support was able to get the replacement handled quickly.