Why I Believe the 10400 Charmast Power Bank Prices Are Totally Worth It: My Expert Review
When it comes to staying powered up on the go, finding the right power bank can make all the difference. Recently, I’ve been diving into the world of portable chargers, and one model that keeps popping up is the 10400 Charmast Power Bank. Its blend of compact design and reliable capacity has caught my attention, especially as I’ve explored various options to keep my devices charged throughout busy days. If you’re curious about how this power bank stacks up in terms of price and value, you’re not alone—I’ve been eager to uncover what makes the 10400 Charmast a contender in today’s competitive market.
I Explored The 10400 Charmast Power Bank Prices Myself And Shared My Honest Recommendations Below

Charmast 20000mAh Portable Charger with 4 Built-in Cables & 6 Outputs, 20W Power Bank Fast Charging – USB C External Battery Pack for iPhone 16 15 14, Android, iPad, Tablet & More (Travel Essential)

Charmast Small Portable Charger 5000mAh, Ultra-Compact 20W PD Fast Charging Power Bank Mini Battery Pack Compatible with iPhone 14/14 Pro Max/13/13 Pro Max/12/12 Pro Max/11/XR/X/8/7/6, and More

Charmast 26800mAh Slim Portable Charger Power Bank, 15W Fast Charging Battery Pack, Travel Essentials Compatible with iPhone 16/16 Pro/16 Pro Max, iPhone15/14/13/12 Series, iPad, Samsung etc

Charmast Power Delivery Power Bank 26800mAh, PD Power Bank, 18W USB C Portable Charger Quick Charge 3.0 Battery Pack Compatible with MacBook, iPad, iPhone, Samsung, Pixel, More Phones, Tablets
1. Charmast 20000mAh Portable Charger with 4 Built-in Cables & 6 Outputs, 20W Power Bank Fast Charging – USB C External Battery Pack for iPhone 16 15 14, Android, iPad, Tablet & More (Travel Essential)

When I first came across the Charmast 20000mAh Portable Charger, I was immediately drawn to its impressive capacity and versatile design. As someone who relies heavily on multiple devices daily, having a power bank that can keep up is essential. The 20000mAh capacity alone promises to charge my iPhone 14 nearly 4 times and even larger devices like the Samsung Galaxy S23 Ultra up to 2.5 times, which means I can confidently go on trips or long days out without worrying about finding a power outlet.
What truly sets this power bank apart for me is the thoughtful inclusion of 4 built-in cables and 6 outputs. This eliminates the typical hassle of carrying a tangled mess of cords everywhere I go. Whether I’m charging my iPhone, tablet, or even a friend’s Android device, everything is covered and ready to go in one compact unit. The fact that it can charge up to 5 devices simultaneously is a real game-changer, especially during travel or when working remotely with multiple gadgets. It’s incredibly convenient and saves a lot of space in my bag.
Another feature I really appreciate is the 20W Power Delivery (PD) fast charging capability. Slow charging can be frustrating, especially when time is tight. With this power bank, I noticed my devices charge much faster than with standard chargers. This means less downtime and more time staying connected, whether for work calls or catching up with friends and family. The fast charging combined with a high capacity makes this an efficient and reliable companion for any tech user.
The design also caught my attention. Unlike many bulky 20000mAh power banks I’ve seen, this one is surprisingly slim and lightweight at just 0.73 pounds. Its dimensions make it easy to slip into a bag or even a large pocket without feeling cumbersome. For someone like me who values portability without sacrificing power, this strikes the perfect balance.
One of the small but very practical details is the LED display showing the exact remaining battery percentage. This feature removes the guesswork involved with traditional LED indicator lights, so I always know precisely when it’s time to recharge the power bank itself. It’s a simple addition that makes managing power much more intuitive and stress-free.
To summarize my experience and the key specs, here’s a quick overview
Feature Details Capacity 20000mAh Compatibility Universal (iPhone, Android, iPad, Tablets, and more) Built-in Cables 4 multi-interface cables included Outputs 5 devices can be charged simultaneously Inputs 4 options for recharging the power bank Fast Charging 20W Power Delivery (PD) Size & Weight 6.33 x 2.85 x 0.74 inches; 0.73 pounds Display LED digital battery percentage screen Extras Travel pouch and 18 months warranty with lifetime tech support
Overall, I feel that the Charmast 20000mAh Portable Charger is an excellent choice for anyone who needs dependable, high-capacity power on the go. Its combination of fast charging, multiple outputs, built-in cables, and a compact design covers nearly every practical need I have encountered. If you’re tired of juggling cables and searching for outlets, this power bank offers a smart, all-in-one solution that keeps your devices ready no matter where life takes you. Honestly, I’d say it’s a worthwhile investment for anyone looking to upgrade their charging game with convenience and power.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Charmast Small Portable Charger 5000mAh, Ultra-Compact 20W PD Fast Charging Power Bank Mini Battery Pack Compatible with iPhone 14/14 Pro Max/13/13 Pro Max/12/12 Pro Max/11/XR/X/8/7/6, and More

When I first came across the Charmast Small Portable Charger 5000mAh, I was immediately drawn to its promise of ultra-compact design combined with powerful performance. As someone who relies heavily on my phone throughout the day, having a reliable portable charger that doesn’t weigh me down or take up too much space is a game-changer. This power bank’s size is truly impressive—about the size of a lipstick, weighing only 0.2 pounds, and measuring just 3.03″ x 1.38″ x 0.96″. That means it fits effortlessly into my pocket or purse, making it perfect for travel, daily commutes, or even quick outings without the bulk of traditional chargers.
What really stands out to me is the 20W PD (Power Delivery) fast charging capability. In practical terms, this means I can boost my iPhone 13 from 20% to 70% in just half an hour, which is approximately three times faster than the original 5W charger that often comes with older devices. This speed is not only convenient but essential when I’m on the go and need a quick power top-up. I do appreciate the honesty about the heat generated during fast charging; it’s reassuring to know that a slight warmth is normal and not a defect. This transparency adds to the trustworthiness of the product.
Another feature I found particularly useful is the rapid recharging of the power bank itself. It supports 18W PD fast recharging, allowing it to be fully charged in just 1.5 hours with a 9V-2A charger. This means minimal downtime for the power bank, so it’s ready to go when I need it most. Even if I use a slower 5V-2A charger, it still takes a reasonable 3 hours to fully recharge, which is quite efficient for a portable device of this size. It’s worth noting that the USB-C port is for input only, so I’d need the appropriate charger for fast recharging, but that’s a small consideration given the benefits.
The 5000mAh battery capacity strikes a great balance between portability and power. In my experience, it provides around 0.65 full charges for an iPhone 13 Pro Max, 0.79 for an iPhone 13, and nearly a full charge for other recent iPhone models like the 12 and 11 series. This means I can depend on it for at least one full charge or multiple partial charges throughout the day, which is perfect for emergencies or long days away from a power outlet. Additionally, it can charge AirPods (2nd Generation) up to 6 times, which adds versatility for users with multiple Apple devices.
Finally, the package includes everything you need the power bank itself, a USB-A to USB-C cable, and a user manual. The 24-month support and responsive customer service are a reassuring bonus. Knowing that help is available 24/7 and that the company aims to solve any problems within 24 hours gives me confidence in the purchase. This level of support is essential for tech products, as it reduces worries about potential issues down the line.
In summary, the Charmast Small Portable Charger offers a compelling mix of portability, fast charging, and reliable capacity that suits users who need a convenient, on-the-go charging solution. If you’re like me and value speed, compactness, and practical battery life without carrying bulky chargers, this power bank is definitely worth considering. Its honest features and solid customer service make it a trustworthy choice that can enhance your daily mobile experience.
Feature Benefit 20W PD Fast Charging Charges iPhone 13 from 20% to 70% in 30 minutes; 3x faster than standard 5W charger Mini Size (0.2 lbs, 3.03″ x 1.38″ x 0.96″) Highly portable; fits easily in pocket or purse for travel convenience 18W PD Fast Recharging Fully recharges the power bank in 1.5 hours with a compatible charger, reducing downtime 5000mAh Capacity Provides nearly one full charge for most iPhone models and multiple charges for AirPods Included Accessories & Support Comes with USB-A to USB-C cable, user manual, 24-month Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Charmast 26800mAh Slim Portable Charger Power Bank, 15W Fast Charging Battery Pack, Travel Essentials Compatible with iPhone 16/16 Pro/16 Pro Max, iPhone15/14/13/12 Series, iPad, Samsung etc
When I first came across the Charmast 26800mAh Slim Portable Charger Power Bank, I was immediately drawn to its impressive capacity and sleek design. Having used various power banks before, I know how crucial it is to have a reliable, high-capacity charger that doesn’t feel bulky or inconvenient to carry around. This power bank strikes a great balance by offering a massive 26800mAh capacity, which means it can charge my iPhone 13 up to five times or even my iPad mini three times. This level of capacity is perfect for someone like me who is often on the go, whether traveling, camping, or simply out for a long day without easy access to a power outlet. Knowing it only takes about 9 hours to fully recharge the power bank itself reassures me that it won’t be out of commission for too long.
One of the features that really stood out to me is the high-speed charging capability. According to the specs, this power bank charges 25% faster than many similar models, which is a significant time saver. I appreciate the smart USB outputs that intelligently detect the connected devices and deliver the optimal current. This means I can charge up to four devices simultaneously without worrying about slower charging speeds or overheating. The total 5.4A output and versatile USB-C port for fast input and output add an extra layer of convenience, especially since I use multiple devices including my iPhone, iPad, and sometimes my Samsung phone. It feels great knowing this power bank can keep all of my essentials powered up efficiently.
Despite its large capacity, the Charmast power bank is surprisingly compact and slim. Weighing about 11.9 ounces and only 0.6 inches thick, it fits comfortably in my hand and easily slips into a bag or even a larger pocket. The rubberized cover not only gives it a nice tactile feel but also offers protection against scratches and minor drops, which is important for a device I carry around daily. I find this design thoughtful because it combines durability with portability, making it a must-have accessory for anyone serious about staying charged without lugging around heavy or bulky chargers.
Safety is another critical aspect where this power bank excels. It comes UL 2056 certified, which means it adheres to stringent safety standards. The built-in intelligent safeguards protect against excessive current, overheating, overcharging, and short circuits. This kind of protection gives me peace of mind, especially when charging multiple devices overnight or while traveling. The four LED indicators are also a handy feature, providing a clear view of the remaining battery level at a glance, so I’m never caught off guard by a drained battery pack.
Lastly, the customer support and warranty coverage offered by Charmast add to the product’s appeal. With 24 months of after-sale technical support and round-the-clock assistance, I feel confident that any issues I might encounter will be addressed promptly. This kind of backing is crucial when investing in a device that I rely on daily.
Feature Details Benefit to Me Capacity 26800mAh (Charges iPhone 13 five times, iPad mini three times) Long-lasting power for multiple charges without frequent recharging Charging Speed 25% faster than similar models, 5.4A total output, USB-C fast input/output Quickly charges multiple devices simultaneously, saving me time Design Slim profile (0.6 inches thick), 11.9 ounces, rubberized cover Portable, comfortable to hold, and protected against damage Safety UL 2056 certification, smart protection against overheating, overcharging, short circuit Safe and reliable charging, peace of mind for my devices Customer Support 24-month warranty, 24/7 technical support Confidence in product reliability and assistance if needed Overall, from my experience and understanding of the Charmast 26800mAh Slim Portable Charger, it’s a powerhouse that combines high capacity, speed, safety, and portability in one sleek package. If you, like me, need a dependable power bank that won’t weigh you down but keeps all your devices charged efficiently throughout the day, this
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Charmast Power Delivery Power Bank 26800mAh, PD Power Bank, 18W USB C Portable Charger Quick Charge 3.0 Battery Pack Compatible with MacBook, iPad, iPhone, Samsung, Pixel, More Phones, Tablets
When I first came across the Charmast Power Delivery Power Bank 26800mAh, I was immediately drawn to its impressive blend of high capacity and fast charging capabilities. As someone who relies heavily on multiple devices throughout the day—from my MacBook and iPad to my smartphone and occasionally my camera—having a power bank that can keep up is essential. This power bank’s 18W USB-C Power Delivery port caught my attention because it supports high-voltage output (9-12V), which means it can efficiently charge even power-hungry devices like the new MacBook Air with Retina display or the latest iPad Pro models. The fact that it also supports Quick Charge 3.0 protocol makes it versatile enough to optimize charging speeds across many devices, including my iPhone X, which can get a 50% battery boost in just 30 minutes. That level of speed is a game changer when I’m on the go and need a quick recharge.
One of the standout features that really impressed me was the high-speed charging capability. The power bank itself can be fully recharged in about 7 hours using a QC or PD 3.0 charger, which means I don’t have to wait long to get it ready for another round of device charging. It has multiple output ports—two standard USB ports, a Quick Charge port, and a USB-C port—allowing me to charge several devices simultaneously. This multi-device charging capability is very useful during travel or busy days when all my gadgets need power at once. I particularly appreciate the intelligent detection system that adjusts the charging settings automatically to match each device’s needs, ensuring optimal and safe charging without any guesswork. Charging my compatible devices up to 80% in 35 minutes via Quick Charge 3.0 is about four times faster than conventional chargers, which is a huge time saver.
The 26800mAh battery capacity is another major advantage that makes this power bank stand out. It’s not just a number—this capacity translates to real-world usage like charging an iPhone 8 up to seven times, a Galaxy S8 five times, or an iPad mini three times. For me, this means I can confidently take it on long trips, camping, or even day-long events without worrying about running out of power. It’s also compatible with a broad range of devices beyond phones and tablets, such as the Nintendo Switch, Sony cameras, GoPro, VR headsets, and even heated vests, which adds to its versatility. Having one power bank capable of supporting such diverse electronics simplifies packing and reduces the need to carry multiple chargers or batteries.
Portability is a key consideration for me, and the Charmast power bank delivers here as well. Despite its high capacity, it remains ultra-slim and compact, with only 14mm thickness. The rubber oil surface cover provides a smooth, comfortable grip and helps protect against scratches and minor drops—something I value highly because my gear often gets jostled around in my bag. This sleek design makes it easy to carry in a backpack or even a larger pocket, which is convenient for both travel and everyday use.
Safety is paramount when it comes to portable chargers, and I feel reassured knowing this product has UL 2056, CE, RoHS, and FCC certifications. The built-in intelligent safeguards protect against excessive current flow, overheating, and overcharging, so I can charge my devices without worrying about damage or hazards. The company’s 12-month support service also adds peace of mind, showing their confidence in the product’s reliability. The reminder to recharge the power bank at least once every three months is a helpful tip to maintain its longevity, something I appreciate as a user who wants to maximize the lifespan of my tech accessories.
Feature Details Benefit to User 18W USB-C Power Delivery 9-12V high voltage output, supports QC 3.0 Fast, efficient charging for MacBook, iPad Pro, iPhone, and more High-speed Charging Quick Charge 3.0 port, multiple output ports, intelligent device detection Simultaneous charging of multiple devices at optimal speeds 26800mAh Capacity Charges iPhone 8 seven times, Galaxy S8 five times, iPad mini three times Long-lasting power for travel, Get It From Amazon Now: Check Price on Amazon & FREE Returns
How 10400 Charmast Power Bank Prices May Help Me
When I’m looking for a reliable power bank, knowing the prices of the 10400 Charmast model really helps me make an informed decision. Since this power bank offers a good balance between capacity and portability, comparing prices lets me find the best deal without compromising on quality. It’s reassuring to know I can get enough charge for my phone and other devices without overspending.
Also, seeing the price range helps me gauge the value for money. If a seller offers a significantly lower price, I’m cautious and check reviews to ensure it’s authentic and not a knockoff. On the other hand, if the price is too high, I consider whether the additional features or warranty justify the cost. Overall, knowing the prices helps me budget better and pick a power bank that suits both my needs and my wallet.
Buying Guide for 10400mAh Charmast Power Bank Prices
Understanding the Capacity and Its Impact on Price
When I first started looking for a power bank, I realized that the 10400mAh capacity is a popular choice because it offers a good balance between portability and sufficient power backup. This capacity can typically charge most smartphones around two to three times. The price of a 10400mAh Charmast power bank often reflects the quality of the battery cells and additional features, so I made sure to compare these aspects alongside the capacity.
Checking the Features That Affect Cost
I noticed that prices vary depending on features like fast charging support, multiple output ports, and built-in safety protections such as overcharge and short-circuit prevention. A power bank with Quick Charge or Power Delivery can be pricier but worth it for faster charging. I also looked for models with LED indicators and compact design, which sometimes influence the price too.
Considering Brand Reputation and Warranty
Charmast is known for decent quality at reasonable prices, but I always checked if the seller offered a warranty and what kind of customer support was available. Sometimes, a slightly higher price is justified if the product comes with a reliable warranty and good after-sales service, which gives me peace of mind.
Comparing Prices Across Different Retailers
To get the best deal, I compared prices from multiple online platforms and local stores. I found that prices can fluctuate due to discounts, offers, or shipping costs. Keeping an eye on sales events helped me find a good price without compromising on quality.
Evaluating My Usage Needs Against Price
Finally, I thought about my own usage habits before deciding on the price range I was comfortable with. If I needed the power bank mainly for daily short trips, a basic 10400mAh model at a lower price suited me. For longer travel or multiple device charging, I was willing to invest a bit more for enhanced features.
By considering these factors, I was able to find a 10400mAh Charmast power bank that matched my budget and needs without overspending.
Author Profile
- My name is Tonquise Frederick, though many know me simply as TQ. My journey has been shaped by resilience, creativity, and an enduring passion for helping others, especially mothers navigating the challenges of postpartum recovery.
Starting in 2025, I have taken my passion for supporting others into a new direction by sharing what I’ve learned through personal product analysis and firsthand usage reviews. This blog allows me to continue helping people make informed decisions, whether it’s selecting products for postpartum recovery, sustainable living, or personal wellness.Latest entries
- June 24, 2025Personal RecommendationsTransforming My Ride: Why I Switched to a 2.5-Inch to 3-Inch Exhaust Adapter and You Should Too!
- June 24, 2025Personal RecommendationsWhy I Switched to a 32 Oz Food Container: My Personal Experience and Expert Insights
- June 24, 2025Personal RecommendationsWhy Heated Ski Glove Liners Changed My Winter Adventures: An Expert’s Firsthand Experience
- June 24, 2025Personal RecommendationsHow I Improved Home Safety: My Expert Experience with Stair Tread Non Slip Solutions