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A flat phone battery at an airport, a tablet that dies halfway through a long train ride, a laptop that needs a quick top-up before a meeting. These are the moments when a good power bank earns its place in your bag. The NOBIS 20000mAh Portable Charger with 65W output is built for exactly this kind of use. It combines a large battery with fast charging that goes beyond phones, so it can also support tablets and many USB-C laptops.If you are packing for a trip, take a look at our guide to travel essentials for more items worth carrying
This article goes through what the power bank offers, where it works well and what to keep in mind before you buy.
Based on the product details published by sellers and reviewers, the NOBIS 65W model offers:
On a four-hour Melbourne to Bali flight, a quick laptop top-up can save your workday. Specifications can differ between NOBIS versions, so always check the details on the exact product page you are buying from.
The headline feature is the 65W output. Most power banks in this price range are built for phones, and many top out at 20W or 30W. A 65W port can supply enough power for many tablets and USB-C laptops, which makes this one much more flexible.
The product listings claim that it can charge a compatible laptop to about 45 percent in roughly 30 minutes. Real results depend on the laptop, the cable and how much power the laptop is using at the time. A laptop that is running a heavy task while charging will charge more slowly.
For phones, the listings suggest around three to four full charges from a full power bank, and about two to three for a tablet. A laptop can usually be charged once. These are manufacturer estimates, and real numbers vary with the device and the battery size.
With two USB-C ports and two USB-A ports, you can charge up to four devices at once. This is handy on a flight, in a shared hotel room or on a long day away from a socket.
Keep in mind that when several ports are in use, the total power is shared. A laptop that gets the full 65W on its own may receive less when you plug in a phone and earbuds at the same time. If speed matters, use one high-power device at a time.
The built-in display shows how much battery is left, which is more useful than a row of tiny lights. You can plan your day around the number instead of guessing.
Small devices such as wireless earbuds and fitness trackers need only a trickle of power, and some power banks switch off when they sense a low draw. The low-current mode on this model is designed to avoid that. Double-pressing the button turns it on, so small gadgets keep charging.
A large power bank is only useful if it recharges quickly. The listings state that it accepts fast input and can fill up in about two hours or less with a Portable Charger. That is good news for travellers who only have a short time at a power point.
To get the best speed, use a wall charger that supports Power Delivery and a cable rated for the power you need. A weak charger or a thin cable can slow things down a lot. Many reviewers also mention pass-through charging, which lets you charge the power bank and your devices from the same wall outlet.
A 20000 mAh portable charger is not tiny. It fits in a bag, a backpack or a large coat pocket, but it is not a slim pocket item. If you only need a few phone charges and want something very light, a smaller capacity may suit you better.
Some reviewers also note that it can run warm when delivering high power for a long time. This is normal for fast charging, but keep it in a place with some airflow and avoid covering it while it is charging a laptop.
Power banks are common travel items, and the rules are fairly simple.
Rules change, so check the latest guidance from your airline and the civil aviation authority in the countries you are travelling through.
| Connector type | USB Type A*2, USB Type C*2 |
| Brand | NOBIS |
| Battery capacity | 20000 milliamp_hours |
| Colour | Green |
| Special feature | Auto Shut-Off, Digital Display, Fast Charging, Over Charging Protection, Short Circuit Protection |
This kind of power bank suits many situations:
The NOBIS 20000mAh 65W power bank is a practical choice for people who want one battery that can look after a phone, a tablet and, in many cases, a laptop. It is not the smallest or lightest option, but for travellers and remote workers who need power on the go, it offers a lot of flexibility for the size.
| Connector Type | USB Type A*2, USB Type C*2 |
|---|---|
| Battery Capacity | 20000 milliamp_hours |
| Other Special Features of the Product | Auto Shut-Off, Digital Display, Fast Charging, Over Charging Protection, Short Circuit Protection |
| Voltage | 5 Volts |
| Power Source | Corded Electric |
| Amperage | 3 Amps |
| Number of Ports | 4 |
| Rapid Charging Performance | 65% in 1 Hour |
| Battery Charge Time | 2 hours |
| Is Product Cordless | No |
| Portable | Yes |
| Compatible Devices | Gaming Console, Laptop, Smartphone, Smartwatch, Tablet |
| Maximum Output Power | 65W |
| Antenna Location | Gaming Controller, Laptop, Phone, Tablet, Watch |
|---|---|
| Warranty Type | Limited |
| Item Weight | 400 Grams |
|---|---|
| Item Dimensions L x W x Thickness | 13.7L x 7W x 2.6Th centimetres |
| Unit Count | 1.0 count |
| Item Dimensions | 13.7 x 7 x 2.6 centimetres |
| Battery Weight | 286 Grams |
| Brand | NOBIS |
|---|---|
| Model Name | NOBIS 65W 20000mAh Power Bank |
| Model Number | N2931 |
| Number of Items | 1 |
| UPC | 784847484949 |
| Included Components | 20000mAh/65W Power Bank * 1, 3A Type-C to Type-C charging cable 30cm * 1, Instruction Manual * 1 |
| Manufacturer | SVVR Limited |
| Number of Batteries | 1 nonstandard battery required. (included) |
| Mfr Part Number | N2931 |
| Warranty Description | 3 Year Manufacturer |
| Best Sellers Rank | 734 in Electronics 643 in Mobile Phones & Communication |
| ASIN | B0G1GSWWXS |
| Customer Reviews | 4.4 out of 5 stars |
| Color | Green |
|---|---|
| Battery Cell Type | Lithium Polymer |
A flat phone battery at an airport, a tablet that dies halfway through a long train ride, a laptop that needs a quick top-up before a meeting. These are the moments when a good power bank earns its place in your bag. The NOBIS 20000mAh Portable Charger with 65W output is built for exactly this […]
