Charmast W1148 Power Bank, 10,000 mAh, Built-in Cables

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Product guide

Charmast W1148 Power Bank, 10,000 mAh, Built-in Cables

Charmast W1148 Power Bank is a 10,000 mAh portable charger with integrated charging leads, several output options and a digital battery display. Its built-in connections reduce the need to carry separate device cables, while mixed customer feedback on charging speed, reliability and battery life is worth weighing before buying.

At a glance

Manufacturer describes three integrated charging leads: Micro USB, USB-C and an iOS connector, plus USB-A and USB-C output options.
The listing claims that as many as six devices can be charged simultaneously, but port and cable descriptions are inconsistent.
A digital display is claimed to show the remaining battery percentage.
Manufacturer claims two full charges for several named phone models. Actual results depend on the device and use.

Price

£16.14Save 46%

Reference price: ~~£29.99~~

Price checked: 12 Nov 2026

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Often bought together

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Pros and cons

Pros

Integrated device leads and multiple output options can reduce the need to pack separate charging cables.
The listed 10,000 mAh capacity and compact stated dimensions suit pocket or bag carry.
The manufacturer lists three ways to recharge the power bank itself.

Technical specifications

17 specifications

Identity
Brand	charmast
Model	W1148 Power Bank
Colour	Sky Blue

Power and battery
Capacity	10000 Milliamp Hours
Power configuration	Corded Electric
Battery type	Lithium Polymer
Ports listed	4
Recharge method	Rechargeable

Connections and features
Integrated charging leads	Micro USB, USB-C, and iOS connector
Claimed maximum devices charged at once	up to 6 gadgets at once
Battery display	displaying remaining battery percentage
Recharge inputs	Micro USB / USB-C input ports

Dimensions and weight
Dimensions listed	14.4 x 6.7 x 1.8 centimetres
Weight listed	240 Grams

Charging claims
Claimed recharge time using built-in USB-A cable	around 6 hours (12 Watts or above charger block required).
Claimed recharge time using Micro USB/USB C Input	around 4.5 hours (15 Watts or above charger block and charging cable required )
Claimed phone charges	up to 2 full charges for iPhone 11/12/13/14 series, Samsung Galaxy S23, and Huawei P20.

What to know before buying

The manufacturer lists a travel pouch and user manual in the explicit contents list, but the cable-feature wording does not clearly corroborate those kit details. Check the selected listing for the pouch and other included items.

Listing details to confirm

The listing is inconsistent about the connections and simultaneous charging: one section describes three built-in device leads, two USB-A ports and one USB-C output for up to six devices, while other details refer to four ports and a built-in USB-A recharge cable. Confirm the selected unit's port layout and included cables before buying. The claimed battery-display accuracy and charging times are manufacturer statements, not confirmed results. Customer feedback also reports mixed charging speed, reliability and battery life.

What’s in the box

Power adapter ×1Included
Travel pouch (1)Included
User manual ×1Included
Integrated charging leadsCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

People who want a portable charger with integrated leads for commonly used phone connections.
Commuters or travellers seeking a 10,000 mAh power bank with a battery-level display.
Buyers who may need to charge several devices and are prepared to confirm the actual port layout.

Less suited to

Buyers who need a clearly documented high-speed charging specification or guaranteed charging performance.
Anyone relying on a precisely confirmed port count, simultaneous output configuration or accessory bundle without checking the selected listing.

Charmast W1148 Power Bank, 10,000 mAh, Built-in Cables · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 16,131 ratings

5 stars73%73%
4 stars15%15%
3 stars5%5%
2 stars2%2%
1 star5%5%

Customer feedback highlights portability, pocket-friendly size, the built-in cables and the ability to charge multiple devices. Reports on charging speed, reliability and battery life are mixed, including accounts of slow recharging, units stopping work and quick power loss. For travel, the integrated leads may be convenient, but buyers who depend on consistent charging should consider these reported differences. The overall rating distribution is mostly five-star, with a smaller but material share of low ratings. Ratings alone do not establish specific causes.

Positive themes

Customers describe it as portable and convenient for travel, and appreciate its built-in cables and multi-device charging.

Negative themes

Some customer reports describe units stopping working completely or the battery losing charge quickly.

Mixed feedback

Charging speed and battery life receive mixed reports, with some customers describing quick charging or long-lasting charge and others reporting slower charging or rapid power loss.

Frequently asked questions

How many devices can this power bank charge at once?

The manufacturer claims up to six, describing three integrated charging leads, two USB-A ports and one USB-C output. Other listing details give a different port count, so confirm the selected model's layout.

What cables are built in?

The feature text names Micro USB, USB-C and an iOS connector. The listing's cable and port descriptions are not fully consistent, so verify the actual connections before purchase.

How long does recharging the power bank take?

The manufacturer claims around six hours through its built-in USB-A cable with a 12 W or higher charger, or around 4.5 hours using the Micro USB or USB-C input with a 15 W or higher charger and cable. These are stated estimates.

What comes in the box?

The explicit contents list names one portable charger, one travel pouch and one user manual. Check the selected listing to confirm the pouch and other bundle details.