HyperJuice 245W
Expert rating8.6 / 10
- Capacity:
- 100
- Total Output:
- 245W
- USB-C Ports:
- 2x 100W PD
- Display:
- LCD wattage and time-remaining readout
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Manufacturer: Hyper (Sanho Corporation) Last updated: 2026-09-12
Where to buy
- HyperGo to store
HyperJuice 245W (100,000mAh/Largest Airline-Legal Size/Dual 100W USB-C PD for Pro Laptop Workflows) Review
If you fly with a power bank and want the absolute largest capacity the TSA and airlines allow without special approval, the HyperJuice 245W is built to sit right at the 100Wh ceiling.
It packs 99Wh, a hair under the 100Wh regulatory limit for carry-on without airline sign-off, into a chassis with dual 100W USB-C ports so it can genuinely fast-charge two laptops at once rather than just topping off phones. Frequent flyers who work from a MacBook Pro on the road get the most legal capacity and the most usable output in one unit.
The 100Wh Airline Ceiling
US and most international carriers allow power banks up to 100Wh in carry-on without needing airline approval; between 100-160Wh you typically need to ask first, and anything above that is banned outright. HyperJuice engineers to just under that line (99Wh) to legally maximize capacity, which is why its mAh rating looks lower than its physical cell count would suggest when converted at standard voltage.
Comparison to Alternatives
The Anker Prime 27650mAh 250W has a similar airline-safe capacity and even higher peak total wattage (250W vs 245W), but the HyperJuice's LCD readout is more detailed (time-remaining estimates, not just percentage) and its dual 100W ports are matched rather than one primary and one secondary port. For flyers specifically, both are strong choices; HyperJuice markets itself more explicitly around the airline-legal angle.
Specifications
Identity
| Brand | Hyper (HyperJuice) |
|---|
Size and portability
| Weight | 1.65 g |
|---|
| Model | HyperJuice 245W |
|---|---|
| Capacity | 27000 mAh |
| Energy | 99 Wh |
| USB-C1 Output | Up to 100W |
| USB-C2 Output | Up to 100W |
| USB-C3/USB-A Output | Up to 45W combined |
| Total Output | 245W across all ports |
| Recharge Input | Up to 100W via USB-C, full recharge in about 1.5 hours |
| Ports | 3x USB-C, 1x USB-A |
| Display | LCD screen showing wattage, capacity %, and estimated time remaining |
| Airline Safe (100Wh or less) | Yes, 99Wh, the maximum allowed without airline approval |
| Battery Type | Lithium-Polymer |
| Compatible Devices | MacBook Pro/Air, gaming laptops, phones, tablets, cameras |
| Dimensions | 155 x 79 x 39mm |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.6 / 10
The power bank to bring on a flight when you need to keep two laptops running at full speed.
Best for
- Frequent flyers who work from laptops on the road
- Charging two 100W laptops simultaneously
- Professionals wanting max legal airline capacity
Not for
- Anyone needing an AC outlet (none included)
- Ultralight everyday carry (750g is substantial)
- Wireless charging needs
FAQs
What are the key specifications of the HyperJuice 245W (100,000mAh/Largest Airline-Legal Size/Dual 100W USB-C PD for Pro Laptop Workflows)?
The HyperJuice 245W (100,000mAh/Largest Airline-Legal Size/Dual 100W USB-C PD for Pro Laptop Workflows) is a power bank from Hyper (Sanho Corporation). Key specs: Capacity (mAh) 27000, Capacity (Wh) 99, USB-C1 Output Up to 100W, USB-C2 Output Up to 100W, USB-C3/USB-A Output Up to 45W combined.
Who is the HyperJuice 245W (100,000mAh/Largest Airline-Legal Size/Dual 100W USB-C PD for Pro Laptop Workflows) best suited to?
It suits frequent flyers who work from laptops on the road, charging two 100w laptops simultaneously, professionals wanting max legal airline capacity.
What are the drawbacks of the HyperJuice 245W (100,000mAh/Largest Airline-Legal Size/Dual 100W USB-C PD for Pro Laptop Workflows)?
It is a poor fit for anyone needing an ac outlet (none included), ultralight everyday carry (750g is substantial), wireless charging needs.
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