Choosing the best universal laptop power adapter is not easy because there are hundreds of products on the market. There are three main factors to consider: cost, portability, and compatibility.

If you don’t want to spend too much on an original model, you can find something at a lower price with a universal power supply, compatible with your laptop. Look for compatibility lists in the descriptions of notebook power supplies found on various sites.

Portable power supplies have different output voltages, and a laptop that uses the wrong power supply can be damaged. In order not to make mistakes, look at the back of the computer, where the Voltage and Ampere are shown. Here we will be listing the top 11 best portable power supplies.

SaleRANK NO. 1
Westinghouse Outdoor Power Equipment iGen160s Portable Power Station and Outdoor Generator 150 Peak 100 Rated Watts, Solar Solar, 155Wh Lithium-ion Battery (Solar Panel Not Included)
  • VERSATILE OUTLETS CHARGE UP TO 9 DEVICES AT THE SAME TIME: Pushing 100 Rated Watts and 150 Peak Watts Through (2) 120V Household Outlets, (2) USB Ports, (1) Quick Charge USB Port, (1) USB-C Port, (3) 6mm 9-12V DC Outlets - Strong Enough to Easily Power a 36" LED TV, Box Fans, or Heated Blankets
  • HOURS & HOURS OF POWER ON A SINGLE CHARGE: 155 Watt-Hours of Lithium-Ion Battery Capacity - Provides Long-Lasting Power That Charges Smartphones Up To 17 Times, Tablets Up to 9 Times, DSLR Cameras Up To 16 times, Drones Up To 23 Times - Delivers Hours of Power for a Nintendo Switch, Bluetooth Speakers, and GPS Systems
  • SMALLEST, LIGHTEST PORTABLE POWER STATION IN ITS CLASS: At 3.75 lb. the iGen160s Is Lighter Than a Full 36 oz. Yeti Rambler and Smaller Than a Lunchbox - Backpack Ready Mini Generator With a Convenient Carrying Handle and Built-in Flashlight and Reading Lights - Perfect Compact Charging Station for Camping and Other Outdoor Activities
  • CHARGES AT HOME, ON THE GO, OR IN THE FIELD: Charges to 80% in Less Than 6 Hours Using a Household Outlet or in Less Than 7 Hours in the Car or With a Solar Panel (Panel Not Included)
  • ECO-FRIENDLY POWER GENERATOR: Reduce Your Carbon Footprint for More Sustainable Lifestyle - No Obnoxious Fumes, No Messy Maintenance, No Noise Pollution - Whisper Quiet Indoor and Outdoor Generator
SaleRANK NO. 2
NEXPOW Portable Power Station, 296Wh 80000mAh Solar Generator 110V/300W (Peak 500W) 2 AC Outlet/4 USB Ports/2 DC Ports/QC 3.0 PD Ports for iPhone 12 Backup Battery Power Supply for CPAP Outdoor Camp
  • Multiple Charging Outputs Provide More Options: Features with AC/ PD/ DC/ USB outputs: 2 * 110 AC output (300W), 1 * DC output, 2 * QC 3.0 quick charge USB port and 2 * USB ports (2.5A auto), 1 * USB-C PD 3.0 output, quickly charge your smartphone, tablet, laptop, camera, light, drones, fans, in-car appliances, CPAP machine and more at anytime. With USB-C PD 60W unique design: charge your MacBook Pro 13.3, iPhone 12 directly without an adapter. (Tips: There is a protective film on the screen.)
  • High Capacity And Handy Power Source: 296Wh (80000mAh) With 300W continuous power,500W peak power, 80000mAh battery capacity, and pure sine wave, the compact station is powerful enough to meet different kinds of electricity demands outdoor usage for home, travel, camping, backseat on long road trips. With the light weight (7.05lb )and soft handle, we can easily put it in our backpack or car, take it to everywhere need power.(Tips: If you encounter problems, please check the data line first.)
  • Other Unique Designs: 1)The standalone AC/DC/USB/emergency lighting provides easy operation when charging different devices. 2)Multifunctional LCD display will show you the remaining energies/charge/discharge/AC output/DC output status. 3)LED Flashlight: The power station is equipped with LEDS functioning as an emergency flashlight. Four modes: White Light Often Bright, White SOS, Yellow Light Often Bright, Yellow SOS.(Tips: Please don't use super-powered electrical appliances)
  • Triple Rechargeable Modes Efficient Solar Generator: N e x p o w power station is equipped with a lithium battery pack, it can be charged by the 15-24 volt solar panel; PD 3.0 In Put 60W maximum speed(PD charger not included); efficient AC wall adapter and car charger. No memory effect, no worry about battery capacity reduction. (Tips: AC output function, press AC/DC output switch for 3S, the AC output function is turned on.)
  • Multiple Protection And Warranty: The generation provides all-around protection to protect you against overcurrent, overvoltage, and over-temperature, ensuring the safety of you and your devices.❤N E X P O W provides our dear customers with a warranty of 12 months from the date of purchase and friendly customer service. (Tips: It is recommended to use the DC5521 data cable when using solar charging panels.)
RANK NO. 3
200W Portable Power Station, FlashFish 40800mAh Solar Generator with 110V AC Outlet/2 DC Ports/3 USB Ports, Backup Battery Pack Power Supply for CPAP Outdoor Advanture Load Trip Camping Emergency.
  • Multiple Charging Outputs Provide More Options: Features with AC/ DC/ USB OUTPUTS: 110 AC output (200W), 2 DC output, 2 QC 3.0 quick charge USB port and 1 USB ports (2.4A auto). Power your smartphone, tablet, laptop, camera, light, drones, fans, in-car appliances, CPAP machine and more at anytime.KINDLY NOTE THAT THE POWER STATION CAN NOT BE CHARGE AND USE AT THE SAME TIME.
  • High Performance And Handy Power Source: 151Wh (40800mAh) compact station is powerful enough to meet different kinds of electricity demands outdoor usage for home, travel, camping, backseat on long road trips.With a weight of 4.07lb and soft handle, we can easily put it in our backpack or car, take to everywhere need power.
  • Other Unique Design: 1)The standalone AC/DC provides easy operation when charging different devices;2)Mutifuction LCD display would show you the remaining energies/charge/discharge/AC output/DC output status.Ultra bright LCD screen let you know the statue of battery pack even no light source camping.
  • Triple Rechargeable Modes Efficient Solar Generator: FlashFish power station is equipped with a lithium battery pack, it can be charged by the 15-24 volt solar panel (not included), AC wall adapter and car charger efficiently. No memory effect, no worry about battery capacity reduction
  • MultiProtect And Warranty: The generation provides all-round protection to protect you against overcurrent, overvoltage, and over-temperature, ensuring the safety of you and your devices.❤Flashfish provides our dear customers with warranty of 12 months from the date of purchase and friendly customer service.
SaleRANK NO. 4
Jackery Portable Power Station Explorer 240, 240Wh Backup Lithium Battery, 110V/200W Pure Sine Wave AC Outlet, Solar Generator (Solar Panel Not Included) for Outdoors Camping Travel Hunting Emergency
  • BUY WITH CONFIDENCE: The Jackery Explorer 240 portable power station has been featured as the "Best Portable Power Station for use in the outdoors" by Digital Trends. A classic choice for your pick.
  • EASY TO CARRY: This entry-level portable power station is equipped with a 240Wh lithium-ion battery pack, weighing only at 6.6 pounds. The solid handle makes it easy to carry around for outdoor adventures such as Tent Camping, Road Trip, Backyard Camping, etc.
  • VERSATILE POWER SOURCE: 1* Pure Sine Wave AC outlet (110V 200W 400W Peak), 2* USB-A ports (5V, 2.4A), and 1* 12V DC car port to charge your road trip essentials such as smartphones, laptops, cameras, fans, lights and so on. Pass-through charging is supported.
  • GREEN POWER SUPPLY: The power station can be recharged by the Jackery SolarSaga 60 solar panel. Its built-in MPPT controller enables the solar panel to operate at its max power point for the power station to be recharged at its highest efficiency. TWO alternative ways to recharge: through the wall outlet or the car outlet.
  • WHAT YOU GET: 1* Jackery Explorer 240 portable power station, 1*AC adapter, 1* car charger cable, 1* user guide.
RANK NO. 5
AC Power Supply Converter Transfer Cable Portable for Xbox 360 Power Supply on - Black Adapter Slim for a Xbox 0ne Console Conversion Power Supply Transmission
  • Compatibility: for Xbox 360 Power Supply on for a Xbox 0ne console. Use your older for Xbox 360 Power Supply on the new for Xbox One Console.
  • Perfect if you need a new power supply for your Xbox one console but already have an older style power supply laying around.
  • Simply plug in the converter cable and use it on your brand new console.
  • Durable construction provides you with stable connection.
  • Small size and lightweight. Convenient for you to take.
SaleRANK NO. 6
AIMTOM 42000mAh 155Wh Power Station, Emergency Backup Power Supply with Flashlights (Solar Panel Optional), for Camping, Home, CPAP, Travel, Outdoor (110V/ 100W AC Outlet, 3X 12V DC, 3X USB Output)
  • ▲ GIGANTIC 42000mAh BATTERY WILL COVER ALL YOUR NEEDS: The AIMTOM SPS-155 Portable Generator, which has an IMMENSE 42000mAh 155Wh power capacity, is ideal for powering appliances at a campsite, a tailgate party, home improvement projects or can even double as a flashlight for emergencies.
  • ▲ ONE POWER GENERATOR FOR ALL YOUR DEVICES: Power up your laptop, stereo, CPAP or any other home appliances via the 110V/100W AC outlet. Use the 3 x 5V USB outputs to charge your mobile phone, iPhone, iPad, GPS or action cameras while the 3 x 12V DC outputs are perfect for car refrigerators, fans and more.
  • ▲ TAKE YOUR POWER SUPPLY WITH YOU ANYWHERE: Even though our power station features a HUGE 42000mAh lithium battery, it weighs ONLY 3.48lbs. Plus, the comfortable and ergonomic handle will make carrying your outdoor emergency power sources a breeze. Just slip it in your car trunk and embark on your next adventure.
  • ▲ SO QUIET, EFFICIENT POWER: Rest assured that your portable battery will not disturb you or your loved ones, since it utilizes a built-in power inverter and runs quietly. It can be recharged via supported solar panels (Not included), car port, or AC wall outlets. Its built in MPPT controller automatically optimizes charging process and maximizes power extraction from solar panels under all conditions.
  • ▲ ADVANCED BATTERY MANAGEMENT SYSTEM: The built-in BMS protects you against overcurrent, overvoltage, and over-temperature, ensuring the safety of you and your devices and prolonging battery life. It also features a built-in cooling fan to avoid overheating when charging.
RANK NO. 7
200Watt Portable Power Bank with AC Outlet for Camping 42000mAh Power Supply for CPAP, 2 AC Ports, 4 USB Ports, 2 DC Ports
  • 【PORTABLE AND MUTIL-FUNCTIONAL】:2 x 120V AC power socket(pure sine wave,total max 200W in total, please check the power consumption of your devices before use) / 4 x USB port / 1 Emergency capable of powering lamps,phones,laptops,TVs,printers,fans,car pumps,toast maker,coffee machine and even mini fridges, all the power is less than 200 Watts, and the heating products should be less than 100W.
  • 【FAST CHARGING 15V/2A DC INPUT】:Recharge the power bank faster than ever with the 15V/2A DC input, only need 6-7 hours to get fully recharged and conveniently monitor the battery level via the 4 built-in LED indicators.
  • 【PURE SINE WAVE AC OUTPUT】:Better than modified sine wave, cleaner current in your hands; it prevents crashes in computers, reduces noises in fans, TV and other devices and it is compatible with more equipment.
  • 【HIGH CAPACITY WITH SUPER SMALL SIZE】: 4,2000mAh Grade A lithium polymer battery,with only 3.0 lbs net weight(4 lbs gross weight which including all the accessories) and size of 7.87x1.81x5.71in. Ideal power supply for camping or emergency backup.
  • 【QUALITY and WARRANTY】:Contains the highest quality available lithium-ion battery cells.CE FCC ROHS UL MSDS UN38.3, and factory ISO9001 approved. OCP/OVP/Short Circuit Protection/ Auto Power Off Protection.100% Quality Control. We provide an 30-day free money back and friendly customer service.
SaleRANK NO. 8
Renogy 72000mAh 266Wh 12v Power Bank with 60W PD, CPAP Battery for Camping, High Capacity Large Camping Power Bank with USB-C DC Wireless Charging & Flashlight, CPAP Battery Backup Power Supply
  • 【2021 New 60W PD Version】This well-rececived large power bank is now back with 2 high-speed USB-C PD ports to refresh your portable charging experience. USB-C (1) port can transfer up to 60W power to your laptop while USB-C (2) port can keep your phones charged at a maximum speed of Max. 27W on the go.
  • 【Massive Capacity】Packed with a enormous capacity of 72000mAh/266Wh as well as battery management system, this portable charger can pump out enough power to multiple devices simultaneously and securely at a high power conversion rate up to 90%. (Note: not TSA-approved, not allowed on a plane)
  • 【Off-Grid Power for CPAP】The high-performing DC 12V/5A (150W max.) cigarette lighter port is ready to boost most CPAP machines on the market with a CPAP adapter (PURCHASED SEPARATELY), including Philips Dreamstation, Resmed Airsense/Aircurve 10, and Resmed S9. Please turn OFF the heater & the humidifier for extended runtime.
  • 【Faster Recharging】Recharge the battery pack at full-speed via a solar panel with the two-way DC port in 3-4 hours, and the two-way USB-C (1) port in 5-6 hours. Please note that the USB-C (1) port and the DC port CANNOT be used at the same time.
  • 【10W Wireless Charging】Align your smartphone to the charging pad to get rid of cords jumbled in your bag. The smart indicator allows you to keep taps on real-time charging status effortlessly. DOES NOT support wireless earbuds, smartwatches, and other low-power devices.
RANK NO. 9
MaxLLTo AC Power Adapter for Sony PSP-1000 2000 Power Supply Cord, 6 FT Extra Long AC Adapter Power Charger for Sony PSP 1000 PSP 2000 PSP-2001PB PSP 3000 PSP-100
  • 100% Brand New MaxLLTo, High Quality AC Wall Charger Adapter (non-OEM), MaxLLTo AC Power Adapter for SONY PSP-1000 2000 Power Supply Cord, 6 FT Extra Long AC Adapter Power Charger for SONY PSP 1000 PSP 2000 PSP-2001PB PSP 3000 PSP-100
  • Length: 6ft Extra Long Power Cord, Plug Size - 4.0mm with US Standard Plug,Input: 100v - 240v; Output: 5V, 2000mA max.
  • A Small and Lightweight Replacement Charger adapter, Great for users who frequently travel and as a replacement charger.
  • Compatible with: Sony PSP-1000, PSP-1001, PSP-2000, PSP-2001, PSP-3000, and PSP-3001, PSP-100, PSP-110
  • Package includes: 1 x Brand New MaxLLTo AC Wall Power Travel Charger.
SaleRANK NO. 10
ExpertPower 200-Watt Portable Generator Rechargeable Lithium Power Station with 110VAC Outlets, 12VDC Outputs (Car Socket included), and USB QC3.0 for Camping and Emergency Power Supply
  • On-the-Go Power Source: the 193Wh (12V 16Ah) portable power station only weights 4.41 lbs, with size of 7.48*5*6.89 in.
  • Clean AC Ouput: equipped with 200W/400W(peak) Pure Sine Wave inverter that powers anything up to 200W.
  • Plug-and-play Function: The DC Outputs are equipped with smart sensing techonology which provides power to your device automatically without pressing the power button.
  • Recharge-ability: Besides traditional wall-charging, this light-weight device can be recharged through solar power with built-in solar charge controller or 12V car cigarette sockets, making it convenient for road trips and emergency events.
  • Safety and Protection: FCC and CE certified with built-in fuse and full-protection with short-circuit, low-voltage, over-charge, over-discharge, over-voltage, over-load ensuring complete protection for you and your devices.
SaleRANK NO. 11
330W Portable Power Station, FF FLASHFISH 300Wh/81000mAh Solar Generator CPAP Battery Backup Power Emergency Power Supply With AC, 12V/24V DC, PD-Type-c, SOS Light For Camping Van/RV Trip Home
  • Multiple Outputs Backup Power For Your Needs- Flashfish EA300 is equipped with 2*AC outlet(110V 330W 380W Peak), 2*DC output (12V~16.8V/168W max) and 1* DC carport (24V/3.8A), 2*QC3.0 USB+USB (5V 2.4A), 1* PD-Type C Port (45W max) and 1*SOS LED flashlight.Perfect for charging mainstream electronics and small appliances, from smartphones, tablets, laptops, cameras, drones to car fridges, and CPAP, etc.
  • Protable Power For Everywhere- Released in 2020, Flashfish is the first one to bring the touch screen power station in Amazon Marketplace.The informative LCD screen let you have a clear understanding of all the details, input watts, output watts, battery level, charging statue and so on. Sensitive touch screen button provides users the better experience, when the solar generator is not in used, it’ll turn off automatically after 1 minute.
  • 300Wh High Capacity Power Station - 300WH(81Ah/3.7V) lithium batteries and only 8 lbs with an easy-carry handle.This solar generator is also very handy to be put on your RV, camper and perfect for emergencies, camping, road trip, fishing or wherever you need power.
  • Support Inout And Output At The Same Time - Flashfish EA300 portable power station can charge devices with using both AC and DC even when it charging itself. Can be quickly (1)Or recharged from an AC wall outlet within 8 hrs (charging cable included); (2)recharged under the sun with optional 100W solar panels(Sold Separately) while living outdoors.
  • Safety BMS - Ensures safely powering sensitive devices like laptops etc. without damages,meanwhile reduces audible and electrical noise; (2)BMS SYSTEM managing over-voltage protection, over-current protection, over-temperature protection, etc. safeguarding you and your devices during usage.

Best Portable Power Supplies Buyer Guide

Although often not given all the importance it deserves, choosing a PC power supply can have a significant influence on a computer’s performance.

Therefore, it is not convenient to give in to the temptation to buy one of the poor quality and, consequently, cheaper, to slightly increase the budget to be allocated to other components.

As the saying goes, virtue lies in the middle. If you are thinking of mounting your computer piece by piece, it is essential to install a suitable power supply and take into consideration any expansions you want to make on the device. Choosing the correct power supply, however, doesn’t just mean buying the most powerful model.

The Most Affordable Rgb Lighting Option

The 700W Thermaltake Smart RGB is the ideal solution for those who want to illuminate the interior of their homes, without spending vast amounts of money.

Thanks to a button located on the back and accessible from the outside, it is possible to set a fixed light or a cycle of all colours, or even turn it off completely.

Buyers are enthusiastic about the aesthetic value of the product, although it is not modular; the lighting configuration is independent of the motherboard, which has its advantages and defects.

Purple Leaf Universal Notebook Power Adapter

From first glance, this power supply stands out for an important detail: it is ultra-thin. Thanks to this peculiarity, it takes up very little space and is easily transportable, with the possibility of storing it even in your handbag: it is also very light.

It is a high-efficiency model, with a maximum power of 90 W; it is also compatible with 70 W, 65 W and 45 W. Safe and reliable. It is designed with a 13-pin DC plug-in connector, which ensures a full possibility of use with the main laptop models on the market.

The input is AC 100-240 V 50-60 Hz; the output is DC 15V-20V / 4.5A. To further increase the versatility of the device is the USB port 5 V / 2.1 A. Together with the power supply, the package contains an AC power cable, a DC power cable, 12 extra tips.

The Best Mid-To-High-End Gaming Pc Power Supply

The Asus ROG Strix 650G is one of the best proposals regarding the 650 W range, the one most commonly adopted for gaming PC configurations with a medium-high range video card.

It has an 80 Plus Gold certification, is entirely modular, and has a fan that buyers call silent even during the most stressful sessions. It’s a bit longer than the cheaper proposals, but it offers first-class reliability and connectivity.

Kensington

It takes just a few simple steps to configure this power supply. All you have to do is check the voltage value of the original power supply and, based on this, set the appropriate switch on the device.

Black in colour, the device weighs 499 g and has a size of 1.9 x 13.3 x 7.4 cm. It protects against overcurrent, overvoltage, short circuits and excessive temperatures.

What Exactly Are Portable Power Supplies?

The power supplies have the task of transforming the alternating current of the electrical network into direct current, that is, that used by the various components of the computer. In this way, they meet the energy demand of each of the elements of the device.

Therefore, the power supplies take an alternating current of 115/230 V and transform it into low voltage direct current which they distribute through various outputs. Therefore, if the processor is the brain of a computer, the power supply can be considered its heart.

If you are looking for an inexpensive power supply to save on other components, there are not many options at the moment.

Connect with Sata Cables

We, however, recommend the EVGA 500 B1. It costs less than a video game and boasts 500 watts of power transmitted through six SATA cables and two PCIe cables.

This is, without doubt, one of the best power supplies because it is essential and honestly does its job. Even the three-year warranty does not hurt.

Unfortunately, power supplies don’t always fit into smaller homes. However, Silverstone SFX SST SX550 is a compact power supply also ideal for mini-ITX homes.

Its dimensions are approximately half compared to the standard format and consequently guarantee a better airflow. This makes it a convenient choice for anyone who is building a mini ITX or micro ATX build, but it is also suitable for larger homes.

Small form factor PCs are in high demand, so we could not exempt Silverstone SFX from our guide.

How Does a Portable Power Supply Work?

Current power supplies work by converting all alternating current (AC) to direct current (DC) of +12 V. Then, other converters transform part of this DC from +12 V to DC from +5 V or +3.3 V to depending on your needs. This system is much more efficient and safer than direct conversion from AC to different DC voltages.

Subsequently, a series of inductors and capacitors has the task of filtering the electrical noise that can damage the different components of the device.

Also, the power supply must make a voltage adjustment to respond to changes in load (consumption) to which it is subjected.

If you are attentive to the design of your PC, a modular power supply is mandatory: you can avoid the mess generated by unused cables as well as improve the airflow in the case. NZXT E650 is meant for this.

Not only is it a completely modular power supply, but it’s also lovely to look at. All this is completed by the 80 Plus Gold certification and by a ten year guarantee.

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