Powkey Portable Power Station 99Wh Review
A compact, entry-level power bank with an AC outlet designed for low-power mobile charging and emergency backup for small electronics.
Quick verdict
The Powkey 99Wh is a decent choice for those needing to keep laptops and phones running during short outages or travel, but it lacks the capacity for serious home energy backup. It is best viewed as a rugged, high-capacity mobile charger rather than a true alternative to home generator systems.
PowerGuardian Rating
Who it's best for
- Occasional campers and festival-goers
- Short-term emergency phone/laptop backup
- Commuters needing to charge laptops on trains
Who should avoid it
- You need to power a kettle, heater, or microwave
- You want to significantly reduce your household energy bills
- You need a battery that lasts for several days of use
Overview
Key features
- 99Wh / 27000mAh Lithium-ion battery
- 230V AC socket for small appliances (up to 150W)
- Lightweight, travel-friendly design
- Multiple USB output ports for mobile devices
- Solar charging compatible (panel not included)
- Built-in battery management system (BMS)
Real world performance
Energy saving potential
Installation
Running costs
Pros
- Meets UK airline carry-on limits (under 100Wh)
- Quiet operation compared to petrol generators
- Extremely portable for camping or commuting
- Versatile range of output ports for its size
Cons
- Very limited capacity—not for heating or cooking
- Slow recharge times compared to larger units
- Solar panel must be purchased separately
- AC outlet is modified sine wave (check sensitive electronics)
Alternatives
SinKeu 99Wh Portable Power Station
A very similar competitor often found at a slightly higher price point.
Jackery Explorer 240
More expensive and larger, but offers double the capacity and better build quality.
Frequently asked questions
Can I plug a heater or kettle into this?
No. Most UK kettles and heaters use 2000W-3000W. This unit is limited to devices under 150W.
How long will it run my internet router during a power cut?
Depending on the router's power draw, it will typically provide 4 to 7 hours of connectivity.
Can I take this on a flight from London?
Yes, its 99Wh rating is generally below the 100Wh limit set by most airlines for cabin luggage, but always check with your carrier first.
Does it come with a solar panel?
No, the solar panel is sold separately. You will need a compatible 12V-24V DC panel.
How long does it take to charge from a UK wall socket?
It typically takes between 4 and 6 hours to reach a full charge from empty via the provided mains adapter.
Final verdict
3.8 / 5The Powkey 99Wh is a decent choice for those needing to keep laptops and phones running during short outages or travel, but it lacks the capacity for serious home energy backup. It is best viewed as a rugged, high-capacity mobile charger rather than a true alternative to home generator systems.