Charmast 10400mAh at a glance
Key specs
Capacity
10400 mAh
38.48 Wh
Dimensions (LxWxH)
3.56 x 2.44 x 0.87 in
9.04 x 6.20 x 2.21 cm
Weight
11.2 oz / 317 g
Charging technology
Charging time: 3.5 h
Qualcomm Quick Charge
Power Delivery (PD)
Passthrough charging
Dual input
PBE metrics
Affordability
mAh/$
Average
348.79 mAh/$
Portability
32.81 mAh/g
928.57 mAh/oz
Ports
USB Type A
USB Type A
USB Type C
Output: 5-6V=3A, 6-9V=2A, 9-12V=1.5A (PD/QC3.0)
Micro USB
Flight status
Under 100 Wh
Status: Safe
The power bank is safe to take on board. It's under the specified TSA limit of 100 Wh. Read more about taking power banks on planes.
Other features
LED power indicator
Overheating protection
Short circuit protection
Surge protection
Protective pouch
Charging cable
Charging capacity calculator
Use the search bar below and find out exactly how many times can the Charmast 10400mAh charge your smartphone battery
Charmast 10400mAh Compact Power Bank Review
This Charmast power bank has a 10400mAh capacity, making it extremely powerful and can charge a smartphone twice, on average. It stands out from the rest with its quick charge function that gets you back online quickly and can charge multiple devices at the same time. Keep reading to discover more fascinating features of this affordable power bank.
Charging Technology
The Charmast 10400mAh can charge an iPhone 8 plus 2.7 times, an iPhone 8 around 3.5 times, an iPad Mini 1.2 times, a Samsung Galaxy 2.5 times, and more.
It’s fitted with iSmart Technology that enables the power bank to charge your smartphone, tablet or laptop quicker and smarter than other models. Specifically, it automatically detects the device it’s charging and delivers an optimal charging current for that connected device. Not only does this feature have safety benefits, but it ensures a safe and efficient charge.
The Charmast power bank also comes with both QC 3.0 quick charge and Power Delivery (PD) functions that charges your device very fast, no matter the output you choose. Overall, the power bank can add up to 80 percent battery to your smartphone within 45 minutes. Once the power bank’s battery reaches zero percent, it takes around 3.5 hours to fully charge, thanks mostly due to it’s Micro USB/USB type C dual input. This is impressive, compared to similar power banks that take up to 15 hours to recharge.
This device features two USB type A ports and one USB type C port, so you can charge up to three devices simultaneously. You can even charge your devices while boosting the power bank’s battery. However, the quick charge technology is only applicable to one device at one time. The device is kitted with a 5V, 9V, and 12V output, so you can choose the appropriate strength for your device.
Portability
This Charmast power bank is suitable for a range of occasions, thanks to its portability. Measuring 3.56 x 2.44 x 0.87 inches and weighing 6.6 ounces, it can fit in the palm of your hand or in your pocket while you’re traveling. It’s also convenient to slide into your pockets or store in your purse while not in use.
You won’t have any complications taking the power bank through airport security, either as it’s 38 Wh is well under the 100 Wh limit imposed by the TSA. As it’s lightweight, you can store it in your pocket while charging your smartphone, making it an excellent purchase for people making business calls on the move or festival-goers.
Look and Feel
The Charmast 10400mAh power bank has a simplistic design that makes it unconfusing to non-tech-savvy users. Its rectangular shape and smooth edges allow you to place the power bank on a table while charging your devices. These smooth edges and its untextured design makes the power bank comfortable to hold in your hand.
The four LED charge level indicators represent the amount of battery remaining on the device. Plus, it features a light to notify you when it’s connected to a device. Using the power bank is easy, too, thanks to the small button that you push to switch it on and off to preserve battery when not in use.
The power bank’s front panel has a minimalist design that’s only available in black. Although, it’s focus is on function and safety than appearances. On top of the device, it showcases the name, Charmast, and all USB ports are neatly organized underneath. It’s easy to keep the device smudge-free with a damp cloth, though be careful not to get any moisture into the ports, as they don’t come with a protection cap.
Durability and Build Quality
This Charmast power bank is designed to last and comes with built-in safeguards that protect your devices from overheating and overcharging. These safety features also protect your smartphones against excessive current.
Despite the plastic casing, this power bank remains firm to hold. Plus, the slightly textured exterior means it doesn’t highlight scratches easily. The product is designed to last a long time and your purchase also includes a 12-month warranty for peace of mind against any malfunctions or issues.
Pros
QC 3.0 quick charge function
Power Delivery (PD) function
Highly compact: credit card sized
Cons
Quick charge only works for one device at a time
Final Thoughts
The Charmast 10400mAh power bank is a convenient way to boost the average smartphone around twice, making it great for a two-day weekend away. It’s also the perfect solution for charging multiple devices at the same time. If you’re looking for a non-fancy, uncomplicated way to charge your device on the go, this power bank is a great option.
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