Portable Charger Power Bank with Reinforced Built-in 4 Cables Black

All-in-one charging solution with 4 integrated cables and 10000mAh capacity.

Full manufacturer title

charmast Portable Charger Power Bank with Reinforced Built-in 4 Cables Black

Typical price

$23

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Ravvy verdict

89.6 / 100

Buy this if you frequently lose your charging cables and want a compact, all-in-one backup, but expect slower charging speeds when multiple devices are connected.

Best for: forgetful travelers and multi-device households
Buy it if: You want integrated cables eliminate the need for extra wires.
Skip it if: You are laptop users needing high-wattage power delivery.
Best alternative: VEGER Portable Charger for iPhone, Power Bank Built in Cables and Wall Plug D Blue (commuters and travelers who want to eliminate cable clutter)

How it scores on what matters

Cable Management99.0
Versatility96.0
Portability92.5
Build Quality84.5
Charge Speed78.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The Charmast W1148 solves the most common headache of portable power by eliminating the need to carry extra wires. With reinforced cables for USB-C, Lightning, and Micro-USB built directly into the chassis, this power bank functions as a universal charging hub. Its slim profile is specifically designed to mirror the dimensions of a modern smartphone, making it easy to stack against your device while in use. Beyond the integrated cables, the unit provides three additional ports, allowing for the simultaneous charging of up to six devices. While the 10000mAh capacity is standard for the category, the versatility of the input and output options is where this model excels. It is an ideal companion for family outings or tech-heavy commuters who need to jump between different ecosystems without managing a tangle of loose cords.

Ravvy AI insight

This power bank is a convenience play rather than a performance one. While the 6-device charging capability is impressive, the 10000mAh battery will drain rapidly under heavy load, so treat it as a top-up tool rather than a full-day workstation hub. The inclusion of a 3-year warranty is a significant value add in a category where one year is the standard.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 24, 2026.

What owners praise

Integrated cables eliminate the need for extra wires
Charges up to six devices at the same time
Three separate ways to recharge the power bank itself
Slim design fits easily in pockets or small clutches
Includes a generous 3-year manufacturer warranty
Lightweight at only 9.2 ounces

What to know first

Charging speed slows significantly when multiple ports are used
Built-in cables are short, limiting phone placement
10000mAh capacity may only provide 1.5 to 2 full phone charges

Specifications

Brand: charmast
Color: Black
Voltage: 3.7 volts
Model Name: W1148
Unit Count: 1 Count
Manufacturer: Dong guan Utopia-Originality Technology Co., Ltd
Model Number: W1148
Power Source: Corded Electric
Battery Weight: 170 g
Connector Type: USB Type C
Item Dimensions: 5.67 x 2.64 x 0.71 inches
Number of Items: 1
Number of Ports: 3
Special Feature: Built In Cable
Antenna Location: Indoor/Outdoor
Battery Capacity: 10000 milliamp_hours
Battery Cell Type: Lithium Polymer
Compatible Devices: Smartphone
Included Components: Charmast all-in-one portable charger×1, Manual×1, Travel pouch×1
Number of Batteries: 2 Nonstandard Battery batteries required. (included)
Warranty Description: 3-Year
Item Dimensions L x W x Thickness: 5.67"L x 2.64"W x 0.71"Th
Other Special Features of the Product: Built In Cable

How to get the most out of it

Recharging the Power Bank

You can use the built-in USB-A cable to charge from a wall adapter or use the USB-C input port. Using a high-quality wall plug will significantly reduce the time it takes to refill the 10000mAh battery.

Ownership tips

tip

Optimizing Charge Speed

To get the fastest possible charge for your phone, avoid connecting other devices simultaneously. The power output is shared across all active ports, so single-device charging is always more efficient.

care

Cable Maintenance

When tucking the built-in cables back into their slots, ensure they are flush with the housing. Forcing them at an angle can weaken the reinforced connection points over time.

Frequently asked questions

Can this power bank charge a laptop?

This power bank is primarily designed for smartphones and tablets. It does not provide the high wattage required to efficiently charge most laptops or MacBooks.

Is it safe to take on an airplane?

Yes, the 10000mAh capacity (37Wh) is well below the FAA and international limit of 100Wh for lithium batteries in carry-on luggage. You can safely bring this in the cabin.

Will the built-in Lightning cable work with newer iPhones?

The built-in cables include a Lightning connector for older iPhones and a USB-C connector for the iPhone 15 and 16 series. It is compatible with virtually all modern smartphones.

How many times can it charge my phone?

Typically, a 10000mAh power bank provides about 1.5 to 2.5 full charges for a standard smartphone, depending on the battery size of your specific device and whether you are using the phone while it charges.

Where can you buy the Portable Charger Power Bank with Reinforced Built-in 4 Cables Black?

Portable Charger Power Bank with Reinforced Built-in 4 Cables Black is sold through Amazon, and charmast also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the Portable Charger Power Bank with Reinforced Built-in 4 Cables Black cost?

The last price Ravvy recorded was $23. Retail pricing on travel accessories moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the Portable Charger Power Bank with Reinforced Built-in 4 Cables Black for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when travel accessories discounts run deepest, compare the open box or renewed listing against new stock, and check whether charmast is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the Portable Charger Power Bank with Reinforced Built-in 4 Cables Black in stock right now?

It was in stock at our last check. Availability on popular travel accessories can change within hours, so the live listing is the source of truth.

Is the Portable Charger Power Bank with Reinforced Built-in 4 Cables Black worth it?

Ravvy scores it 89.6 out of 100. The strongest argument for it is integrated cables eliminate the need for extra wires. The trade off to weigh is charging speed slows significantly when multiple ports are used.

Who should buy the Portable Charger Power Bank with Reinforced Built-in 4 Cables Black?

It fits forgetful travelers and multi-device households If that does not describe your situation, compare it with the other options in Travel Accessories before committing.

What are the key specs of the Portable Charger Power Bank with Reinforced Built-in 4 Cables Black?

ASIN: B0H2YM86Z9. Brand: charmast. Color: Black. Voltage: 3.7 volts.

What are good alternatives to the Portable Charger Power Bank with Reinforced Built-in 4 Cables Black?

Compare it against the other scored picks in Travel Accessories on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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