Shargeek 300 – a see-through power bank with RGB lights
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Power banks are the most boring thing in any bag. A black brick, a few blue dots, a cable you can never find. Nobody has ever said “ooh, what’s that?” about a power bank.
The Shargeek 300 wants to change that. It’s a 24,000mAh power bank with a see-through front, a color screen and RGB light bars down the sides. And under the show, it pushes 300 watts, enough to charge two big laptops and a phone at once.
It’s the gadget-nerd version of a boring object, and I’m the target audience.
What is the Shargeek 300?
Sharge is a Shenzhen company founded in 2020. Its first see-through power bank, the Shargeek 100, came out in 2021. The Shargeek 300 is the big brother. It started on Kickstarter early in 2026 and is now in Sharge’s own shop and on Amazon.
The body is a CNC-machined aluminum frame with a clear front panel. Sharge says that panel is V0 flame-retardant polycarbonate, so the window is also part of the safety design. Behind it you see the circuit board and a 1.9-inch color screen. It’s about the size of a soda can: Sharge lists it at 6.25 inches tall and 2.08 inches wide.
On paper:
- 24,000mAh, which Sharge rates at 88.8Wh, under the usual 100Wh airline carry-on limit
- 300W total output: two USB-C ports at up to 140W each, plus a 20W USB-A port
- A DC barrel port you can set anywhere from 5 to 28V, up to 140W
- Recharges from empty to full in about 44 minutes with a 140W USB-C charger, according to Sharge’s lab tests
- A low-current mode for earbuds and smartwatches
How does it work?
You plug in and it charges, like any power bank. The fun is in the screen. Sharge says it shows live input and output power per port, battery level, temperature, cycle count and even individual cell voltages. You use it to set the DC voltage, pick the RGB colors and effects, and set a custom welcome message for when it boots up.
Sharge’s own Amazon copy jokes: “we are still talking about a power bank, not a gaming keyboard.” Fair.
The DC port is the practical surprise. Sharge pitches it for camera rigs, LED video lights, projectors, portable fridges and Starlink dishes, gear that normally needs its own power brick.
The good and the not-so-good
What I like:
- Two 140W USB-C ports at once, so two big laptops can fast-charge from one battery.
- The adjustable DC port makes it useful for creators and campers, not only for phones.
- The screen tells you what’s going on instead of four little dots.
- It looks like nothing else on the market.
What could be better:
- It’s not light. The Amazon listing puts the battery at about 750 grams, so this one lives in a backpack.
- RGB on a power bank is a matter of taste. You can change the colors, but not everyone wants their charger to glow.
- It’s pricey for a power bank. Sharge lists it at 199 bucks on its own site.
Who is the Shargeek 300 for?
Laptop people who travel, creators running lights and monitors off a battery, and anyone with a handheld like the ROG Xbox Ally who wants hours more play. It’s also a great gift for the friend whose desk already glows.
If you only need to top up a phone, this is overkill. A slim 10,000mAh bank costs a fraction of this. And if you like gear that’s tough rather than flashy, the Olight Arkfeld Ultra is more your kind of pocket tech.
Where can I buy the Shargeek 300?
Sharge sells it on Amazon through its own store, in silver. The box has the power bank, a storage bag and a user guide.
The first power bank people will actually ask about. Take my money!