# charmast 20,000mAh Portable Charger with Built-In Cables, 6 Outputs and 22.5W Fast Charging

The charmast 20,000mAh portable charger has built-in cables and six outputs for powering multiple devices while traveling.

- [Original product page](https://www.ofertitastop.com/us/product/charmast-20-000mah-portable-charger-with-1)
- [View offer](https://www.ofertitastop.com/us/visit/charmast-20-000mah-portable-charger-with-1)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-11-02T03:03:10.036Z
- Brand: charmast
- SKU: ofertitastop-us-176193
- Category: Electronics > Electronics Accessories > Power > Batteries
- Source store: amazon US
- Active deal: Yes
- Price: 35.99 USD
- Previous price: 39.99 USD
- Discount: 10%
- Rating: 4.6 / 5
- Reviews: 1548

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

On a commute, during a flight, or while traveling with several devices, a portable charger can keep your phone and other essentials powered away from an outlet. The charmast power bank combines a 20,000mAh capacity with built-in cables and six outputs. Its digital display shows the remaining charge as a percentage. It’s designed for people who need to top up more than one device, rather than carry a separate small charger for each one.

## Everyday use
Pack it for a workday, weekend trip, or time outdoors when access to an outlet may be limited. The built-in charging cables help keep your bag organized and ready for a quick top-up, while the multiple outputs let you charge a phone, tablet, earbuds, or smartwatch at the same time. That can be especially useful when traveling with a mix of personal devices or sharing access to a power bank.

The 20,000mAh capacity is described as enough for 3–4 full phone charges, making it suited to extended time away from a wall charger. When you need a quicker boost before a meeting or commute, 22.5W fast charging is rated to bring a phone to about 50% in roughly 30 minutes. Charging speed and total charges can vary by device and use, but the capacity and fast-charging feature give you practical options for both longer trips and short breaks.

Compared with a compact bank intended mainly for a single phone top-up, this model puts more emphasis on capacity and charging several devices. The 6.3 × 2.85 × 0.72 in design is made to fit in a backpack, so it can travel with everyday essentials without requiring a separate bundle of charging cables.

## What stands out
The percentage display makes it easy to see how much power remains before you head out or decide which device to charge next. Instead of estimating from a small set of indicator lights, you can check the displayed battery level directly. That’s useful when planning charging across a full day or deciding whether the bank has enough charge for another device.

Six output ports support charging up to six devices at once, reducing the need to take turns when several items need power. Built-in cables keep the setup convenient for travel, while USB-C and USB-A connections provide additional ways to connect devices. The listed compatibility includes iPhone, Samsung Galaxy, Pixel, iPad, AirPods, Kindle, and most tablets, so it can serve as a shared power source for a varied device lineup.

## At a glance
- Capacity: 20,000mAh
- Fast charging: 22.5W
- Outputs: 6
- Display: Digital battery percentage
- Built-in feature: Charging cables
- Dimensions: 6.3 × 2.85 × 0.72 in
- Color: Dusty pink
- Compatibility: iPhone, Samsung Galaxy, Pixel, iPad, AirPods, Kindle, and most tablets

## Final verdict
For travel, commuting, and days spent moving between activities, the charmast portable charger brings together substantial capacity, built-in cables, and the ability to charge multiple devices at once. The digital percentage display adds a useful check on remaining power, while the 22.5W fast-charging feature supports quicker phone top-ups. It’s a practical fit for people who want one power bank to support a phone and other everyday electronics on the go.

## Images

![charmast 20,000mAh Portable Charger with Built-In Cables, 6 Outputs and 22.5W Fast Charging — 1](https://www.ofertitastop.com/i/HYvASusPX-8EbgKgrsvr_1J8HfFvrOdlMwZs0JQPxIZ7QdBwl1TD7TGyoWusp5g5M14rVqcqtmvwgOLgT3OJHArcqNxDyljQzWCWTpev9OsfhI0fseroVg00Cw.jpg)

![charmast 20,000mAh Portable Charger with Built-In Cables, 6 Outputs and 22.5W Fast Charging — 2](https://www.ofertitastop.com/i/yTA-GOu2-jVMZ2t4SgaVS8yyC2Nr7v17czoZ6mAnsFWNA1qrcPaRZvOrBfdSZ5Y0HZ6gtwTSkqKFBKN6Ew4qlrfxs_T5bxsfSsUPjDTqgim4raNT6Weu7VRxrg.jpg)

![charmast 20,000mAh Portable Charger with Built-In Cables, 6 Outputs and 22.5W Fast Charging — 3](https://www.ofertitastop.com/i/1pq17sDeuySMnfBaK-uIW8CbBwZDJ0vXkwwf23mEf2NThCE4r29nKJq10kVV1tyWrmf2lgLxStTXKqAUHhkq2vUJJruhB2ICymwBMYe1VpaMiDsltyzD5E65GA.jpg)

![charmast 20,000mAh Portable Charger with Built-In Cables, 6 Outputs and 22.5W Fast Charging — 4](https://www.ofertitastop.com/i/jLpGeMb62BTJCLc_XbFmfWmbqrqnDq-5eD_1mwaG0xNRQ4eRyjzlNtbPs5lVCuZUbINud4pIoQdZBRrnWJZpD2CcRaKlhKxTHOVWVg_q2A4UR9mBrQnAyfSqAQ.jpg)

![charmast 20,000mAh Portable Charger with Built-In Cables, 6 Outputs and 22.5W Fast Charging — 5](https://www.ofertitastop.com/i/Fe6M-x0UWdHWKtArYLBi8OFw2kUpVq7JdvGw0S7WDuyS8Fwt6ZIpYwkGci3xh7wfNV_HDX_duAxvmnMFqh7xYz4gqXNEg6ywlyDH1z6xiB6UwCxw-M3KscOfOQ.jpg)