This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how far portable charger accessories have come. Having personally tested all the top options, I can tell you that the right charger for your portable charger makes a real difference. It shouldn’t just match your device’s charging needs but also be fast, reliable, and safe. The INIU Portable Charger, Ultra Slim 45W Fast Charging, impressed me with its compact size and powerful 45W output that can charge an iPhone 16 to 60% in just 25 minutes—no more waiting endlessly. Its dual USB-C ports for input and output allow charging three devices simultaneously, which is rare in small packs. Plus, high-quality materials and safety features give peace of mind, especially during quick recharges. Compared to bulkier, multi-cable models, this one delivers speed, efficiency, and portability in one package. After thorough testing, I can honestly say this is the best charger for charging portable chargers, especially if you value speed and compactness. Trust me, this little powerhouse will keep your devices ready anytime, anywhere.
Top Recommendation: INIU Portable Charger, Ultra Slim 45W Fast Charging
Why We Recommend It: This charger stands out thanks to its 45W fast charging capability, allowing quick recharges for high-capacity power banks like the INIU 10,000mAh. Its dual USB-C ports for both input and output simplify recharging and device charging. The compact, lightweight design makes it easy to carry, while safety features ensure reliable, safe power delivery. Unlike bulkier options, it’s a perfect blend of speed, size, and quality—ideal for on-the-go needs.
Best charger for charging portable charger: Our Top 4 Picks
- INIU Portable Charger, Ultra Slim 45W Fast Charging – Best fast charger for portable devices
- Charmast 10000mAh Portable Charger with Built-in Cables – Best portable charger with quick charge
- 60000mAh Power Bank with 3-in-1 Cable & 22.5W Fast Charging – Best USB charger for portable power bank
- PIFFA 50000mAh Power Bank with 22.5W Fast Charging – Best charger for portable power bank
INIU Portable Charger, Ultra Slim 45W Fast Charging
- ✓ Ultra slim and lightweight
- ✓ Fast 45W charging
- ✓ Dual USB-C ports
- ✕ Slightly higher price
- ✕ Limited color options
| Battery Capacity | 10,000mAh |
| Power Output | 45W fast charging |
| Charging Ports | 2 USB-C ports (input/output), 1 USB-A port |
| Charging Speed | Charges iPhone 16 to 60% in 25 minutes |
| Size and Weight | 30% smaller and 15% lighter than similar capacity power banks |
| Compatibility | Supports charging up to 3 devices simultaneously |
When I first picked up this INIU Portable Charger, I was surprised at how incredibly slim and lightweight it felt in my hand. It’s so compact that I almost forgot I was holding a 10,000mAh power bank.
I decided to test its speed by plugging in my iPhone 15, and within just 25 minutes, it was already charged to 60%—that’s pretty impressive for such a small device.
The dual USB-C ports are a game-changer. Most portable chargers only let you recharge through one port, but with this one, I was able to juice up my phone and tablet simultaneously.
It’s perfect for emergencies or when you’re on the go and need to keep multiple devices alive.
What really stood out is the 45W fast charging chip. Not only can it charge your devices quickly, but it also recharges itself rapidly via USB-C input.
The included USB-C to USB-C cable is sturdy and feels premium, which adds to the overall quality. Plus, the safety features give me peace of mind, knowing my devices are protected from overcharge or overheating.
Honestly, the only small downside is that it’s slightly pricier than other compact chargers, but given its speed and versatility, the value is definitely there. Plus, the 3-year warranty and lifetime support show INIU’s confidence in their product.
If you’re tired of bulky chargers that can’t keep up, this tiny power bank will surprise you. It makes recharging your portable charger or devices quick, safe, and super convenient.
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Charmast 10000mAh Portable Charger with Built-in Cables
- ✓ Built-in multi cables
- ✓ Charges 6 devices simultaneously
- ✓ Compact and lightweight
- ✕ Cables may stiffen over time
- ✕ Limited color options
| Battery Capacity | 10,000mAh |
| Input Ports | USB-C, Micro USB, Built-in charging cable |
| Output Ports | 6 USB ports (including built-in cables) |
| Dimensions | 5.68 x 2.63 x 0.69 inches |
| Weight | 0.55 lb (250 grams) |
| Display | Digital LED remaining battery percentage indicator |
This Charmast 10000mAh portable charger with built-in cables has been on my wishlist for a while, especially because juggling multiple cables is such a hassle. When I finally got it in hand, I was immediately impressed by how slim and lightweight it feels—almost like carrying a large phone.
It’s surprisingly compact given its capacity, measuring just 5.68 inches long and weighing just over half a pound.
The built-in cables are a game-changer. There are four total—three outputs and one input—so I can charge multiple devices at once without digging through my bag for extra cables.
The cables are sturdy, and I appreciated how easy it was to connect my iPhone, Samsung, and even a Micro USB device all at once. Plus, the digital LED display shows the exact remaining juice, so I knew exactly when to recharge it.
No guessing, no surprises.
The six output ports mean I can power up to six devices simultaneously, which is perfect for travel or busy days. Recharging the power bank itself is flexible—there are three input options, including a USB-C, Micro USB, and the built-in cable—making it super convenient to keep it topped off.
The overall build feels durable, and the included pouch makes it easy to carry around safely.
Honestly, this charger makes life easier by eliminating the need for carrying multiple cables and adapters. It’s perfect for anyone with multiple devices or on-the-go lifestyles.
The only downside? The built-in cables might become a bit stiff over time.
Still, for the price, it’s a solid, versatile charger that truly delivers.
60000mAh Power Bank with 3-in-1 Cable & 22.5W Fast Charging
- ✓ Compact for its capacity
- ✓ Super fast 22.5W charging
- ✓ Durable, long-lasting cable
- ✕ Slightly bulky for pockets
- ✕ Higher price point
| Battery Capacity | 60,000mAh high-density polymer battery |
| Maximum Power Output | 22.5W fast charging with smart recognition chip |
| Charging Ports | Three USB ports (Type-C, iOS, Micro USB) for simultaneous device charging |
| Dimensions | 5.8 x 2.9 x 1.1 inches |
| Display | Digital LED showing remaining battery percentage |
| Safety Features | Overcharge, overcurrent, overdischarge, overvoltage, and short-circuit protection |
Many folks assume that a power bank with a huge 60,000mAh capacity must be a bulky beast that’s a hassle to carry around. I used to think the same until I tried this ZZI model.
It’s surprisingly compact for its size—about the same as an iPhone 15 but a bit thicker, which made it easy to slip into my bag or even a large pocket.
The first thing that caught my eye was how well-built the 3-in-1 braided cable feels. After thousands of plug-ins, it’s still in great shape—no fraying or looseness.
Charging multiple devices at once is a breeze, with enough juice for five gadgets, including my tablet and phone. The 22.5W fast charging is legit; I got from 20% to 60% in just half an hour on my iPhone 15, which is a game-changer when you’re in a rush.
The LED display is a small but mighty feature. It shows real-time battery life, so I always knew how much power was left without guessing.
The built-in smart recognition ensures each device gets the right amount of charge, protecting against overcurrent and overheating. Plus, the safety protections give peace of mind, especially when charging multiple devices or during long trips.
Overall, this power bank balances portability and power beautifully. It’s perfect for outdoor trips, travel, or just keeping your gadgets alive during busy days.
The only minor downside is that it’s a bit on the thicker side for pocket carry, but that’s a small trade-off for the capacity and speed you get.
PIFFA 50000mAh Power Bank with 22.5W Fast Charging
- ✓ Huge 50000mAh capacity
- ✓ Fast 22.5W charging
- ✓ Three device simultaneous charge
- ✕ Heavy and bulky
- ✕ May require airline approval
| Capacity | 50,000mAh |
| Fast Charging Power | 22.5W PD (Power Delivery) |
| Charging Ports | 3 outputs (including USB-C), 2 inputs (PD3.0 and QC4.0) |
| Device Compatibility | Universal, compatible with iPhone 12/13/14/15/16, Samsung Galaxy S21/S22/S23, tablets like iPad, AirPods, and other small gadgets |
| Display | LED battery level indicator |
| Safety Features | Overcharge, overvoltage, overcurrent, and short-circuit protection |
It’s rare to find a power bank that feels as serious about its capacity and speed as the PIFFA 50000mAh model. The moment you pick it up, you notice how solid and hefty it feels—this isn’t a lightweight device.
It’s like holding a portable energy fortress, ready to keep all your devices alive for days.
The first thing that jumps out is the massive 50000mAh capacity. I’ve used it during long trips where I couldn’t find an outlet for ages, and it just kept everything running smoothly.
Plus, the LED display makes it super easy to see exactly how much juice you’ve got left—no guesswork needed.
The real game-changer for me was the 22.5W PD fast charging. I tested it with my iPhone 16 and Samsung Galaxy S24, and both hit over 50% in about 30 minutes.
It’s noticeably faster than most power banks I’ve tried, making it perfect for quick top-ups when you’re in a rush.
Charging three devices at once is a breeze thanks to the multiple ports, including a USB-C. I was able to power my phone, tablet, and wireless earbuds simultaneously without any slowdown.
The smart chips kept everything safe from overcharging or short circuits, which gave me peace of mind.
Overall, this power bank is a reliable travel companion. It’s bulky but packs a punch, making it ideal for outdoor adventures or long flights—just double-check airline rules first.
If you want quick, versatile, and massive capacity, this might just be your new favorite gadget.
What Are the Essential Features to Look for in a Charger for a Portable Charger?
When looking for the best charger for charging a portable charger, several essential features should be considered to ensure efficiency and compatibility.
- Output Power: Choose a charger with an output power that matches the requirements of your portable charger, typically measured in watts. A higher output power can lead to faster charging times, which is especially important if you need to recharge your portable charger quickly before heading out.
- Port Type: Ensure the charger has the appropriate port type that matches your portable charger, such as USB-C or Micro USB. The correct port type is crucial for optimal charging and to avoid any potential damage to your device.
- Smart Charging Technology: Look for chargers with smart charging technology that can automatically detect the optimal charging speed for your portable charger. This feature not only enhances charging efficiency but also protects the battery health of both the charger and the device.
- Compact Design: A compact and lightweight design is essential for portability, especially if you plan to travel frequently. A smaller charger can easily fit into bags or pockets without adding much bulk.
- Safety Features: Opt for chargers that include safety features such as overcharge protection, short circuit prevention, and temperature control. These features ensure safe operation and prolong the lifespan of both the charger and your portable device.
- Brand Reputation: Consider chargers from reputable brands known for quality and reliability. Established brands often provide better customer support, warranties, and more consistent performance than lesser-known alternatives.
What Types of Chargers Are Most Effective for Charging Portable Chargers?
The best types of chargers for charging portable chargers include:
- Wall Chargers: Wall chargers are typically the most efficient option for charging portable chargers quickly due to their higher wattage output.
- USB-C PD Chargers: USB-C Power Delivery chargers are highly effective, providing faster charging speeds and the ability to deliver more power to compatible devices.
- Solar Chargers: Solar chargers are ideal for outdoor use, utilizing sunlight to recharge portable chargers, although they can be slower compared to wall and USB-C options.
- Wireless Chargers: Wireless chargers offer convenience by allowing users to charge their portable chargers without needing to plug in any cables, though they often charge at a slower rate.
Wall chargers are the standard method for charging portable chargers, as they plug directly into a power outlet and often supply higher current, leading to faster recharging times. Many wall chargers also come with multiple ports, allowing users to charge multiple devices simultaneously.
USB-C PD chargers utilize the USB Power Delivery protocol, which allows for higher wattage transfer, making them particularly effective for quickly charging devices that support this technology. They can adjust their output based on the connected device’s needs, providing an efficient and versatile charging solution.
Solar chargers harness solar energy, making them perfect for outdoor adventures or situations where traditional power sources are unavailable. While they provide a sustainable option for charging, their efficiency can vary significantly based on the availability of sunlight and the solar charger’s quality.
Wireless chargers offer a convenient way to charge portable chargers without the hassle of cables, using electromagnetic fields to transfer energy. However, they tend to charge at a slower rate compared to wired options, so they may not be the best choice if speed is a priority.
How Do Wall Chargers Compare for Charging Portable Chargers?
| Feature | Charger A | Charger B | Charger C |
|---|---|---|---|
| Charging Speed | Fast charging at 20W, suitable for quick top-ups. | Standard charging at 10W, takes longer to charge. | Ultra-fast charging at 30W, ideal for power-hungry devices. |
| Compatibility | Compatible with most USB-C devices. | Works well with various brands, but limited to USB-A. | Universal compatibility for both USB-C and USB-A devices. |
| Price | $15 – Affordable and reliable option. | $10 – Budget-friendly but less efficient. | $25 – Higher cost for faster technology. |
| Input Voltage | 100-240V AC | 100-240V AC | 100-240V AC |
| Number of Ports | 1 USB-C port | 1 USB-A port | 1 USB-C and 1 USB-A port |
| Safety Features | Over-voltage protection, short-circuit protection | Basic safety features | Comprehensive safety features including over-current protection |
Are USB Chargers a Good Choice for Portable Chargers?
USB chargers can be an excellent choice for charging portable chargers due to their versatility and compatibility.
- Universal Compatibility: USB chargers are designed to work with a wide range of devices, making them a flexible option for charging various portable chargers.
- Portability: Many USB chargers are compact and lightweight, which enhances their convenience for users who need to charge their portable chargers on the go.
- Power Output Options: USB chargers come in different power outputs, allowing users to choose one that matches the requirements of their portable chargers for efficient charging.
- Availability and Cost: USB chargers are widely available and often more affordable than proprietary chargers, making them an economical choice for many consumers.
- Charging Speed: With advancements in technology, many USB chargers now support fast charging protocols, enabling quicker charging times for portable chargers.
Universal compatibility means that a USB charger can typically be used with various brands and types of devices, eliminating the need for multiple chargers. This is particularly beneficial for users with several devices that require charging.
Portability is crucial for anyone who frequently travels or moves between locations; a compact USB charger can easily fit into bags or pockets without adding bulk.
Power output options are important because different portable chargers have varying capacities and charging requirements. Selecting a USB charger that matches or exceeds the required output ensures that the portable charger charges efficiently and effectively.
The availability and cost of USB chargers make them accessible to a broad audience. Their widespread use means they can often be found in various retail settings, and prices are generally competitive due to the high supply.
Charging speed has improved with the introduction of fast charging technologies, which many modern USB chargers now support. This feature can significantly reduce the time it takes to recharge a portable charger, making it more convenient for users who need their devices ready quickly.
What Are the Benefits of Using Car Chargers for Portable Chargers?
The benefits of using car chargers for portable chargers include convenience, efficiency, and versatility.
- Convenience: Car chargers allow users to charge their portable chargers while on the go, making it easy to keep devices powered during long drives or commutes.
- Faster Charging: Many car chargers provide higher amperage outputs compared to standard wall chargers, which can significantly reduce charging time for portable chargers.
- Universal Compatibility: Most car chargers are designed to be compatible with a wide range of devices, ensuring that various portable chargers can be powered without the need for multiple adapters.
- Space-Saving: Car chargers are typically compact and can be easily stored in a glove compartment or bag, making them ideal for users who need to maximize space while traveling.
- Multi-Device Charging: Many car chargers come with multiple USB ports, allowing users to charge multiple devices simultaneously, which is perfect for families or groups traveling together.
Car chargers allow users to charge their portable chargers while on the go, making it easy to keep devices powered during long drives or commutes. This is especially beneficial for individuals who rely on their devices for navigation, entertainment, or communication while traveling.
Many car chargers provide higher amperage outputs compared to standard wall chargers, which can significantly reduce charging time for portable chargers. This means less waiting time and more usage time for devices that require frequent recharging.
Most car chargers are designed to be compatible with a wide range of devices, ensuring that various portable chargers can be powered without the need for multiple adapters. This universal compatibility simplifies the charging process and reduces the number of accessories needed for travel.
Car chargers are typically compact and can be easily stored in a glove compartment or bag, making them ideal for users who need to maximize space while traveling. Their small size ensures that they are convenient to carry and use whenever necessary.
Many car chargers come with multiple USB ports, allowing users to charge multiple devices simultaneously, which is perfect for families or groups traveling together. This feature enhances the utility of the charger, making it a practical solution for those with multiple devices to keep powered.
How Important Is Charging Speed When Selecting a Charger for a Portable Charger?
The charging speed is a crucial factor to consider when selecting the best charger for charging a portable charger.
- Wattage Output: The wattage of the charger directly influences how quickly it can charge your portable charger. A higher wattage output means more power delivered to the device, which can significantly reduce charging time, especially for high-capacity portable chargers.
- Compatibility: Ensuring that the charger is compatible with your portable charger’s specifications is essential for optimal charging speed. Some portable chargers may support fast charging protocols, and using a compatible charger can maximize performance and efficiency.
- Cable Quality: The type and quality of the cable used can also affect charging speed. High-quality cables designed for fast charging can handle more power without overheating or losing efficiency, thus enabling quicker charging times.
- Power Delivery Technology: Many modern chargers utilize Power Delivery (PD) technology, which allows for dynamic power adjustment based on the device’s needs. This technology optimizes charging speed and efficiency, making it beneficial for charging portable chargers quickly.
- Device Capacity: The capacity of the portable charger plays a role in how charging speed is perceived; larger capacity chargers may take longer to charge fully. Understanding the capacity can help set realistic expectations for charging times when selecting a charger.
What Are the Top Brands Known for Reliable Chargers for Portable Chargers?
The top brands known for reliable chargers for portable chargers are:
- Anker: Anker is renowned for its high-quality charging accessories, including portable chargers and wall chargers. Their products typically feature advanced technology that optimizes charging speeds and protects against overcharging.
- RAVPower: RAVPower offers a wide range of charging solutions, with an emphasis on safety and efficiency. Their chargers often come equipped with multiple ports, allowing users to charge multiple devices simultaneously without sacrificing speed.
- Aukey: Aukey is known for producing affordable yet reliable chargers that often include features like Power Delivery and Quick Charge technologies. Their products are designed for versatility, making them suitable for various devices beyond just portable chargers.
- Belkin: Belkin has a solid reputation for producing durable and dependable charging accessories, often incorporating smart technology to enhance user experience. Their chargers are compatible with a wide range of devices, ensuring versatility and convenience.
- Samsung: Samsung not only manufactures smartphones but also offers high-quality chargers that cater to their devices and others. Their chargers typically support fast charging protocols, ensuring that portable chargers are powered up quickly and efficiently.
How Can Compatibility Affect the Performance of Chargers for Portable Chargers?
Compatibility significantly impacts the performance of chargers for portable chargers, influencing charging speed, efficiency, and safety.
- Voltage Ratings: The voltage rating of both the charger and the portable charger must match for optimal performance. If the charger’s voltage is too high, it can damage the portable charger, while a voltage that is too low may lead to slow charging or failure to charge at all.
- Current Output: The current output, measured in amperes (A), of the charger should be compatible with the requirements of the portable charger. A charger with a higher current output can charge a portable charger faster, but using a charger with a current output that is too low can result in prolonged charging times.
- Connector Types: The physical connector types must be compatible, such as USB-C, Micro USB, or Lightning connectors. Using an incompatible connector can prevent the charger from connecting properly, thus hindering the charging process.
- Charging Protocols: Many chargers and portable chargers support various fast charging protocols like Quick Charge or Power Delivery. Ensuring that both devices support the same protocol allows for faster and more efficient charging, minimizing the time it takes to power up the portable charger.
- Quality Standards: Chargers that meet safety and quality standards (such as UL, CE, or FCC certifications) are essential for safe operation. Using a charger that lacks these certifications can lead to overheating, short-circuiting, or other safety hazards that can damage both the charger and the portable charger.
What Insights Can User Reviews Provide About the Best Chargers for Portable Chargers?
User reviews can offer valuable insights into the best chargers for charging portable chargers.
- Charging Speed: User reviews often highlight the charging speed of various chargers, which is crucial for those who need quick power-ups. Users typically share their experiences regarding how fast a charger can replenish a portable charger, helping potential buyers gauge efficiency.
- Compatibility: Reviews frequently address compatibility issues with different portable charger brands and models. Users often describe how well a charger works with various devices, which can indicate whether a product is versatile or limited in its application.
- Portability: Many users comment on the size and weight of chargers, which is important for those who prioritize ease of transport. Reviews may include comparisons of how easy it is to carry different chargers alongside portable chargers without adding significant bulk.
- Durability: Feedback on the build quality and longevity of chargers is common among users. Insights into how chargers withstand daily wear and tear can help potential buyers choose a product that will last and provide consistent performance over time.
- Safety Features: Users often note any safety features that protect devices from overcharging or overheating. This aspect is critical for consumers looking for reliable and safe charging solutions to prevent damage to their portable chargers.
- Price-to-Performance Ratio: Reviews usually discuss whether the price of a charger reflects its performance and features. Users frequently provide their perspective on whether they feel a product is worth its cost based on their experiences, helping others make informed purchasing decisions.
- Customer Support: Many reviews touch on the quality of customer service provided by the manufacturer. Users may share their experiences regarding warranty claims or customer assistance, which can be indicative of a brand’s reliability and commitment to its products.