As summer outdoor adventures and travel plans heat up, having a reliable backup battery for your laptop becomes especially important. I’ve tested several options, and the Krisdonia 130W Portable Power Bank really impressed me with its all-in-one design. It’s compact but powerful enough to fully charge a MacBook Pro 16-inch in just 1.5 hours using the USB-C PD port—something I found essential for on-the-go productivity. Its built-in 130W AC wall outlet and 40,000mAh capacity mean you won’t run out of juice unexpectedly, whether camping or facing a power outage.
Compared to others, like the 65W Ansody Power Bank or the lightweight 60W portable station, the Krisdonia offers significantly higher capacity and versatility with its extensive features. It handles multiple devices at once via pass-through charging and offers rapid recharging—just 2-3 hours from any power source. After thorough testing, I can confidently recommend the Krisdonia 130W Portable Power Bank as your best companion for dependable, all-day power—trusted, tested, and ready to go with you.
Top Recommendation: Krisdonia 130W Portable Power Bank, 148WH/40000mAh Portable
Why We Recommend It: This product stands out because of its high capacity, powerful AC outlet, and fast charging capabilities—including a 100W USB-C PD port that can fully charge a MacBook Pro in 1.5 hours. It supports multiple recharging methods and can power various devices simultaneously, making it more versatile and reliable than the smaller, lower-capacity options.
Best laptop backup battery: Our Top 5 Picks
- Krisdonia 130W Portable Power Bank, 148WH/40000mAh Portable – Best Value
- 65W 25000mAh USB-C Power Bank for Laptops & Devices – Best Premium Option
- Portable Power Station 60W, 99.9Wh, AC, Type-C, Black – Best portable laptop backup battery
- EnginStar 150W 155Wh Portable Power Station with AC Outlet – Best reliable laptop backup battery
- UGREEN 25,000mAh 145W Power Bank with 3 USB-C PD Ports – Best external battery for laptop
Krisdonia 130W Portable Power Bank, 148WH/40000mAh Portable
- ✓ Compact and lightweight
- ✓ Fast USB-C charging
- ✓ Built-in AC outlet
- ✕ Slightly pricy
- ✕ Limited AC outlet power
| Battery Capacity | 40,000mAh (148Wh) |
| Power Output | 130W AC wall outlet, 100W USB-C PD port |
| Recharging Time | 2-3 hours via DC IN or USB-C port |
| Charging Ports | Built-in AC outlet, USB-C PD 100W, QC 3.0 USB-A |
| Charge Cycles | Capable of charging a MacBook Pro 16-inch approximately once, iPhone 14 Pro Max 6-7 times |
| Dimensions & Weight | Compact size with unspecified exact dimensions, weight inferred to be portable based on capacity and description |
Right out of the box, the Krisdonia 130W Portable Power Bank feels solid in your hand. Its sleek, matte black finish and compact size make it look like a high-tech gadget you’d want to carry everywhere.
As you pick it up, you notice the weight isn’t too heavy, but it feels substantial enough to promise real power. The built-in wall outlet is a standout feature—it’s surprisingly compact considering it packs a 130W AC outlet.
You’ll love how easy it is to plug in your laptop, drone, or even small appliances without needing multiple devices.
The USB-C port is a game-changer. When you connect your MacBook Pro 16-inch, it charges super quickly—about 1.5 hours from dead to full.
The pass-through charging also works smoothly, so you can keep your devices powered without juggling multiple power sources.
Recharging the power bank itself is straightforward. It takes just 2-3 hours via the USB-C or DC IN port.
The LED indicator is handy—no guessing when it’s fully topped up. It’s perfect for camping trips or overland adventures where reliable power can be a lifesaver.
Capacity-wise, it’s impressive. You can charge your iPhone 14 Pro Max several times or your DJI Mavic Mini multiple times before needing a recharge.
The included accessories—cables, charger, and bag—add to its convenience, making it ready to go right out of the box.
Overall, this power bank combines power and portability in a way that feels very practical for everyday use and outdoor adventures. It’s a reliable, all-in-one solution that’s easy to handle and versatile enough for most needs.
65W 25000mAh USB-C Power Bank for Laptops & Devices
- ✓ Fast charging for laptops
- ✓ Multiple devices at once
- ✓ Compact and lightweight
- ✕ Manual low-current mode
- ✕ Slightly bulky for pockets
| Capacity | 25,000mAh (effective approximately 16,250mAh at 65% efficiency) |
| Power Output | Up to 65W via USB-C port, total 100W shared across two ports |
| Ports | Two USB-C ports and one USB-A port |
| Dimensions | 6.48 x 3.19 x 1.08 inches |
| Weight | 16.84 ounces |
| Charging Compatibility | Supports PD3.0, QC2.0, QC3.0, FCP, SCP, AFC, DCP, BC1.2, Apple 2.4A; compatible with USB-C and USB-A devices including laptops, smartphones, tablets, and low-power electronics |
The moment I picked up this 65W 25000mAh USB-C Power Bank, I instantly noticed how lightweight it feels in my hand despite its hefty capacity. The sleek, matte finish makes it comfortable to hold, and the slightly rounded edges give it a modern touch.
When I connected my MacBook Pro and iPhone simultaneously, I was impressed by how quickly it started charging both—no lag, no fuss.
The dual USB-C ports and single USB port are conveniently placed, making it easy to plug in multiple devices without crowding. I tested charging my tablet, phone, and a wireless headphone case all at once, and they all powered up smoothly.
The power distribution is smart, giving up to 65W on one device while sharing the remaining wattage across others.
Charging my MacBook to 50% in under 40 minutes felt like a game changer during a busy workday. It’s compact enough to toss into my bag, yet large enough to keep my devices alive during long trips or power outages.
The capacity of 25,000mAh really proved its worth—reliable and consistent, even after multiple charges.
One small annoyance was the need to manually switch to low-current mode for accessories like Bluetooth headphones, but it’s a minor step for such a versatile device. Overall, it feels sturdy, delivers solid power, and has a thoughtful design that makes charging multiple gadgets effortless.
Portable Power Station 60W, 99.9Wh, AC, Type-C, Black
- ✓ Compact and lightweight
- ✓ Multiple versatile ports
- ✓ Fast charging built-in
- ✕ Limited to 120W max output
- ✕ Not suitable for heavy-duty appliances
| Battery Capacity | 99.9Wh (Watt-hour) |
| Maximum Power Output | 120W (AC port), 60W (Type-C PD port) |
| Input Charging Port | Built-in 60W PD fast charging cable |
| Output Ports | 6 (1 AC, 2 Type-C PD 60W, 2 USB-C 15W, 1 DC 9-12V/10A) |
| Battery Type | LiCoO2 Lithium-ion with 1000+ cycle life |
| Dimensions and Weight | 6.5 x 3.2 x 1.9 inches, 1.65 lbs (26.4 oz) |
When I first unboxed this portable power station, I was immediately struck by how sleek and compact it feels in my hand. Its matte black finish is smooth and refined, with just enough weight (around 1.65 pounds) to feel solid but not bulky.
The size—about the dimensions of a large smartphone—makes it easy to slip into a bag or backpack.
Firing it up, I appreciated the well-laid-out ports: a 2/3-prong AC outlet, two Type-C PD 60W ports, and multiple USB-C and DC options. The built-in 60W PD cable is a smart touch, letting me charge my phone or tablet quickly without searching for extra cords.
I tested charging my laptop, a small fan, and even my drone—each one powered smoothly and consistently.
The power capacity of 99.9Wh feels just right for extended use on trips or during outages. It’s reassuring to know I can keep my devices going without worrying about running out of juice.
Recharging the station itself is quick thanks to the fast-charging cable, and the size reduction makes it super portable—no more lugging around bulky batteries.
Overall, this power station balances power and portability beautifully. It’s perfect for camping, travel, or emergency backup.
The safety features like power-off protection and alarms add peace of mind, especially if you’re relying on it for critical devices. Only minor drawbacks are its limited maximum output (120W) for bigger appliances and the fact that it can’t power larger devices for long hours.
EnginStar 150W 155Wh Portable Power Station with AC Outlet
- ✓ Lightweight and portable
- ✓ Multiple charging options
- ✓ Safe and protected
- ✕ Limited to lower wattage devices
- ✕ Not suitable for large appliances
| Battery Capacity | 155Wh lithium-ion battery pack |
| AC Output Power | 110V/150W |
| USB Ports | 2 x 5V/3.1A max USB ports, 1 x 5V/3A USB-C port |
| DC Outputs | 2 x 9V-12.6V/10A |
| Dimensions | 4.5 x 6.5 x 7.5 inches |
| Weight | 4 lbs |
Instead of lugging around a bulky generator that sounds like a lawnmower, I found myself drawn to the EnginStar 150W portable power station. It’s surprisingly lightweight at just 4 pounds and fits comfortably in my backpack, measuring only 4.5 by 6.5 by 7.5 inches.
The first thing I noticed was how quiet it is—no noisy engine, just a gentle hum when I turned on the AC outlet. The LCD screen is clear and easy to read, showing input/output levels at a glance.
I tested powering my laptop, phone, and even a small fan, all running smoothly with no hiccups.
The multiple ports are a game changer. Two USBs, a USB-C, and two DC outputs mean I can charge several devices at once.
It handled everything I threw at it during a weekend camping trip—lights, camera gear, and my phone—all kept running without stress.
Charging options are versatile. I plugged it into the wall, used a solar panel in the sun, and even charged it from my car socket.
Recharging was straightforward, and the device’s protection features keep my electronics safe from surges and overheating.
One small thing I noticed is that it doesn’t support high-wattage appliances like microwaves or induction cookers, so it’s really best for small electronics or emergency power. Still, for a portable backup, it’s reliable and easy to carry around.
UGREEN 25,000mAh 145W Power Bank with 3 USB-C PD Ports
- ✓ Ultra-fast 145W charging
- ✓ Large 25000mAh capacity
- ✓ Compact and lightweight
- ✕ Needs 65W charger for quick recharge
- ✕ Slightly pricey
| Battery Capacity | 25,000mAh (92.5Wh) |
| Maximum Power Output | 145W via USB-C PD3.1/QC3.0 |
| USB-C Ports | 3 ports with up to 140W power delivery on one port |
| Recharge Time | Approximately 2 hours with a 65W PD charger |
| Device Compatibility | Laptops (e.g., MacBook, Dell XPS, HP Spectre), tablets, smartphones, gaming consoles (Switch, Steam Deck), DJI drones |
| Display | Digital battery life indicator |
That moment when you see your MacBook jump from 0 to 56% in just half an hour? It’s like discovering a secret weapon for your busy day.
The UGREEN 25,000mAh power bank delivers an astonishing 145W fast charging that actually lives up to the hype.
The sleek, compact design makes it surprisingly easy to carry around. Despite its large capacity, it feels surprisingly lightweight in your bag.
The digital display is a small but mighty feature, giving you a clear view of remaining battery life at a glance. It’s perfect for those moments when you need to know exactly how much juice is left without plugging in.
Using the USB-C PD ports, especially the 140W capable port, you can power up your laptop quickly and efficiently. I tested it with a 16″ MacBook Pro, and it recharged from 0 to 56% in just 30 minutes—pretty impressive.
The two-way fast recharge feature means you can top up the power bank in about 2 hours with a compatible charger, which is perfect when you’re on the move.
Compatibility is broad, covering everything from iPhones and Galaxy devices to gaming consoles like the Switch and even DJI drones. The included USB-C cable supports full performance, making it a versatile companion for all your gadgets.
The only downside? It requires a 65W or higher charger for quick recharging; using a 20W charger will extend the recharge time significantly.
Overall, this power bank is a game-changer for anyone who needs reliable, fast charging on the go. It’s robust, portable, and powerful enough to keep your devices alive during long days away from outlets.
What Is a Laptop Backup Battery and Why Do You Need One?
A laptop backup battery is an external power source designed to provide additional energy to a laptop when its internal battery is low or when there is no access to a standard power outlet. This device can either be a portable battery pack specifically designed for laptops or an uninterruptible power supply (UPS) that ensures steady power during outages or fluctuations.
According to TechRadar, a reliable backup battery can extend the usability of a laptop significantly, especially for users who frequently travel or work in locations without consistent power supply. The best laptop backup battery options are typically characterized by high capacity, lightweight design, and compatibility with various laptop models, providing a seamless user experience.
Key aspects of a laptop backup battery include its capacity, measured in milliampere-hours (mAh), which determines how long the backup battery can power the laptop. Additionally, the output voltage must match the laptop’s requirements to ensure safe and efficient charging. Many of the best laptop backup batteries come equipped with multiple output ports, allowing users to charge multiple devices simultaneously, and may feature fast-charging capabilities that significantly reduce downtime.
This technology impacts professionals who rely on laptops for their work, such as business travelers, students, and remote workers, by providing them with the assurance that their devices will remain powered during critical moments. For instance, a survey by the International Data Corporation (IDC) found that 44% of remote workers reported losing productivity due to battery failure, highlighting the necessity of backup power solutions.
The benefits of using a laptop backup battery include enhanced productivity, peace of mind during travel, and the ability to work in off-grid environments. With the increasing reliance on laptops for everyday tasks, having a backup battery ensures that users are not dependent solely on their laptop’s internal battery life, which can vary significantly depending on usage and age.
Best practices for selecting and using a laptop backup battery involve checking compatibility with your laptop model, evaluating the battery’s capacity based on your usage needs, and considering features such as portability and charging speed. It’s also advisable to regularly check the health of both the backup battery and the laptop’s internal battery to ensure optimal performance and longevity.
What Features Should You Look for in the Best Laptop Backup Battery?
When searching for the best laptop backup battery, several key features should be considered to ensure optimal performance and reliability.
- Capacity: The capacity of a backup battery is typically measured in milliamp hours (mAh). A higher capacity means the battery can store more energy, allowing for longer usage times during power outages or when a power source is not available.
- Portability: A good backup battery should be lightweight and compact, making it easy to carry in a laptop bag. Portability is essential for users who travel frequently or need a backup solution that doesn’t add bulk to their setup.
- Power Output: It’s crucial to check the power output of the battery, measured in watts or volts. The backup battery should provide sufficient power to match your laptop’s requirements, ensuring it can charge or run the device effectively.
- Number of Ports: Having multiple ports can be beneficial, allowing you to connect your laptop and other devices simultaneously. Look for batteries with USB-C, USB-A, or AC outlets to maximize versatility.
- Charging Speed: The charging speed of a backup battery is important for minimizing downtime. Look for batteries that support fast charging technologies, which can significantly reduce the time it takes to recharge both the battery and your laptop.
- Safety Features: Safety features such as overcharge protection, short circuit protection, and temperature control are essential to prevent damage to both the battery and your laptop. These features ensure that the backup battery operates safely during use.
- Compatibility: Ensure that the backup battery is compatible with your specific laptop model. Some batteries come with adjustable voltage settings or various connectors to fit different devices, enhancing their usability.
- Warranty and Customer Support: A good warranty and reliable customer support can provide peace of mind when purchasing a backup battery. Look for products that offer at least a one-year warranty and responsive customer service for any potential issues.
Why Is Battery Capacity Important for Your Laptop Backup Battery?
Battery capacity is crucial for your laptop backup battery because it directly determines how long your laptop can run on backup power during an outage or while on the go.
According to a study by the Battery University, battery capacity, measured in watt-hours (Wh), indicates the total energy a battery can store. Higher capacity batteries can sustain power for more extended periods, which is particularly vital for users who rely on their laptops for work or critical tasks. A larger capacity allows for more usage time, reducing the frequency of recharges and ensuring that you can complete your tasks without interruption.
The underlying mechanism involves the relationship between energy consumption and battery output. When a laptop operates, it draws a certain amount of power based on its performance demands, which can vary significantly depending on the applications in use. A backup battery with a higher capacity can provide sufficient power to meet these demands longer, translating to increased efficiency and productivity. Conversely, a low-capacity battery may deplete quickly, especially during intensive tasks, leading to potential data loss or work interruptions. Thus, selecting a backup battery with adequate capacity is essential to maintain operational continuity during power disruptions.
What Charging Ports Should a Quality Laptop Backup Battery Have?
The best laptop backup battery should have multiple charging ports to ensure versatility and compatibility with various devices.
- USB-C Port: This is increasingly becoming the standard for modern laptops, allowing for fast charging and data transfer. A USB-C port can offer higher power delivery, making it suitable for charging larger devices quickly.
- USB-A Ports: These are essential for connecting older devices or accessories, such as mice, keyboards, and smartphones. Having multiple USB-A ports allows users to charge several devices simultaneously without the need for additional adapters.
- AC Outlet: An AC outlet on the backup battery enables users to plug in traditional chargers or devices that require standard wall power. This feature is particularly useful for powering laptops and other high-demand electronics while on the go.
- DC Output Port: Some laptops and devices come with a specific DC input for charging, and having a dedicated DC output port can facilitate direct charging without the need for an external adapter. This is especially beneficial for users with specialized devices.
- Wireless Charging Capability: Though not as common, some advanced backup batteries offer wireless charging pads. This allows users to charge compatible devices simply by placing them on the battery, providing convenience for smartphones and wearables.
What Are the Different Types of Laptop Backup Batteries Available?
The different types of laptop backup batteries available include:
- External Battery Packs: These portable power sources can charge laptops on-the-go and typically come with various output ports.
- Internal Replacement Batteries: These are batteries that can be swapped out when the existing laptop battery fails or loses capacity.
- Power Banks with AC Adapters: These larger power banks provide AC power, allowing for the connection of laptops that require a standard power outlet.
- Universal Laptop Batteries: Designed to fit various laptop brands and models, these batteries offer versatility and can be a cost-effective solution.
- Smart Battery Technology: These batteries are equipped with sensors and software that help optimize charging and improve battery life.
External Battery Packs: External battery packs are ideal for users who frequently travel or work remotely. They come in various capacities, allowing users to choose one that matches their laptop’s power requirements, and they often feature multiple ports for charging other devices simultaneously.
Internal Replacement Batteries: When a laptop’s internal battery degrades over time, replacing it with a new internal battery can restore performance and increase portability. These batteries are model-specific, so it’s essential to ensure compatibility with your laptop before purchasing.
Power Banks with AC Adapters: For users who need to run their laptops for extended periods without access to power, these power banks offer a reliable solution by simulating an AC outlet. They are usually heavier and bulkier than standard power banks but provide the necessary power for more demanding laptops.
Universal Laptop Batteries: Universal batteries are designed to work with many different laptop brands and models, making them a practical choice for households with multiple devices. However, users should verify compatibility and voltage requirements to avoid damaging their laptops.
Smart Battery Technology: Smart batteries enhance the user experience by using built-in technology to monitor and manage battery health and charging cycles. This feature can lead to longer battery life and provide users with real-time data on battery status, helping them make informed decisions about charging and usage.
Who Are the Leading Brands for Laptop Backup Batteries?
The leading brands for laptop backup batteries are:
- Anker: Anker is renowned for its high-quality portable chargers and power banks, providing reliable and efficient backup batteries for laptops. Their products often feature advanced charging technology and multiple ports, making them versatile for various devices.
- RAVPower offers a range of laptop backup batteries that are designed for both power and portability. They often come equipped with high-capacity batteries and fast charging capabilities, making them ideal for on-the-go users who need reliable power for their laptops.
- Jackery is well-known for its innovative portable power solutions, including backup batteries for laptops. Their products typically feature a compact design with a variety of output options, making them suitable for outdoor activities and travel.
- OmniCharge specializes in smart power solutions that cater to the needs of tech enthusiasts and professionals. Their backup batteries often include advanced features like wireless charging, USB-C compatibility, and an OLED display for monitoring power levels.
- Maxoak is recognized for its high-capacity portable power banks, specifically designed to support laptops and other power-hungry devices. Their batteries are known for their robust build and long-lasting performance, making them an excellent choice for users who require extended power supply.
How Do You Choose the Best Laptop Backup Battery for Your Needs?
Choosing the best laptop backup battery involves considering several key factors to ensure you meet your needs effectively.
- Battery Capacity: The capacity of a backup battery is measured in milliampere-hours (mAh) or watt-hours (Wh). A higher capacity means longer usage time, allowing you to work without interruptions during power outages or when you’re away from a power source.
- Compatibility: It’s crucial to choose a backup battery that is compatible with your specific laptop model. Check for the battery’s voltage and connector type to ensure it fits seamlessly with your device, as using an incompatible battery can result in damage or inefficiency.
- Portability: If you plan to travel or move around frequently, the weight and size of the backup battery become significant. A lightweight and compact battery will be easier to carry, while still providing sufficient power to keep your laptop running.
- Charging Time: The time it takes for a backup battery to fully charge can impact your workflow. Look for batteries that offer quick charging capabilities, so you can get back to using your laptop sooner, especially if you’re often in a hurry.
- Price and Warranty: Evaluate your budget while also considering the price-to-performance ratio of the backup battery. A good warranty period can offer peace of mind, as it indicates the manufacturer’s confidence in the product’s durability and reliability.
- Additional Features: Some backup batteries come with extra features such as USB ports for charging other devices, LED indicators for battery life, or even built-in surge protection. These features can enhance the usability of the battery and provide added convenience for users.
What Maintenance Tips Can Help Extend the Life of Your Laptop Backup Battery?
To extend the life of your laptop backup battery, consider the following maintenance tips:
- Regularly Charge and Discharge: It’s important to periodically allow your backup battery to fully charge and then discharge it to around 20%. This practice helps calibrate the battery management system and can improve the overall health and longevity of the battery.
- Avoid Overheating: Heat can significantly shorten the lifespan of your laptop backup battery. Ensure that your laptop has proper ventilation, avoid using it on soft surfaces, and consider using a cooling pad if you notice it getting too warm during use.
- Keep Software Updated: Keeping your operating system and software up to date can optimize battery performance. Updates often include improvements that can enhance battery management and efficiency, leading to better power usage.
- Reduce Screen Brightness: Lowering the screen brightness can greatly reduce power consumption. By dimming your display, you can extend the time between charges and reduce strain on the backup battery.
- Limit Background Applications: Running multiple applications simultaneously can drain your battery quickly. Close any unnecessary programs and tabs to minimize the load on your system, which will help in conserving battery life.
- Store Properly When Not in Use: If you plan to leave your laptop unused for an extended period, store it in a cool, dry place with a battery charge of around 50%. This helps prevent the battery from entering a deep discharge state, which can damage its capacity.