# charmast C2065 20,000mAh Power Bank with Built-In Cables, 22.5W Charging

The charmast C2065 packs 20,000mAh and built-in cables for charging phones and other devices while traveling.

- [Original product page](https://www.ofertitastop.com/us/product/charmast-c2065-20-000mah-power-bank-1)
- [View offer](https://www.ofertitastop.com/us/visit/charmast-c2065-20-000mah-power-bank-1)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-31T03:07:29.011Z
- Brand: charmast
- Model: C2065
- SKU: ofertitastop-us-169443
- 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

Keep a phone, tablet, and earbuds powered during a workday away from an outlet. The charmast C2065 combines a 20,000mAh battery with built-in charging cables and six outputs. Its digital display shows the remaining charge as a percentage. Fast charging reaches up to 22.5W.

## Spec sheet
- Name: charmast C2065 Portable Charger
- Capacity: 20,000mAh
- Maximum output power: 22.5W
- Outputs: 6
- Built-in cables: USB-C and Micro-USB, with iPhone and USB-A connections also supported
- Display: Digital battery percentage
- Dimensions: 6.3 x 2.85 x 0.75 inches
- Weight: 340 g
- Compatibility: iPhone, Samsung, Pixel, Android phones, tablets, and other compatible USB devices

The built-in cables make this power bank ready for common charging needs without requiring a separate cable for each device. Its six outputs are useful when several personal devices need power at once, while the percentage display gives a clear view of remaining battery instead of relying on a basic indicator. For a quick top-up before a commute or meeting, the 22.5W maximum output supports fast charging with compatible devices.

## Who it’s for
This portable charger suits travelers, commuters, and anyone who carries more than one device. The 20,000mAh capacity is a practical fit for days spent away from a wall outlet, such as a road trip, a festival, or a long stretch of meetings. At 6.3 x 2.85 x 0.75 inches, it can be packed in a backpack or travel bag, and its built-in cables help keep a charging setup simple.

It also works well for households or travel groups with a mix of phones and accessories. Compatibility covers iPhone, Samsung, Pixel, Android phones, and tablets, so one power bank can serve a varied set of devices. Buyers often value the convenience of the integrated cables and the ability to charge multiple devices. Feedback on charging speed, reliability, and how long the charge lasts is mixed, so those experiences vary.

## In the box
The package includes the 20,000mAh portable charger, a storage bag, and a user manual. The integrated cable design is useful for keeping the charger and its everyday connections together when packing. To recharge the power bank, use its built-in USB-C connection or another supported charging connection. The manufacturer lists a six-hour recharge via the built-in USB-C port and a 12-hour recharge via the built-in USB-A cable.

## When it makes sense
Choose the C2065 when a larger-capacity charger with integrated cables and several outputs fits your routine better than carrying a smaller power bank with separate charging cords. Its combination of 20,000mAh capacity, six outputs, and a readable percentage display is geared toward keeping a personal device lineup organized and powered on the go. For travel, shared charging, or a busy day away from an outlet, it brings multiple charging connections and a clear battery readout into one portable pack.

## Images

![charmast C2065 20,000mAh Power Bank with Built-In Cables, 22.5W Charging — 1](https://www.ofertitastop.com/i/DSAL8JJCxMPG7JxR3jHmgEzValWc8liuuGCdKBfag5kSeXYZtRGT0EPXAv26APpQJABGNLo96710a7LjgQMwxiemiaPWfP5bq8ihLzM0YwmiHt_r3r-FoAMmTw.jpg)

![charmast C2065 20,000mAh Power Bank with Built-In Cables, 22.5W Charging — 2](https://www.ofertitastop.com/i/yTA-GOu2-jVMZ2t4SgaVS8yyC2Nr7v17czoZ6mAnsFWNA1qrcPaRZvOrBfdSZ5Y0HZ6gtwTSkqKFBKN6Ew4qlrfxs_T5bxsfSsUPjDTqgim4raNT6Weu7VRxrg.jpg)

![charmast C2065 20,000mAh Power Bank with Built-In Cables, 22.5W Charging — 3](https://www.ofertitastop.com/i/1pq17sDeuySMnfBaK-uIW8CbBwZDJ0vXkwwf23mEf2NThCE4r29nKJq10kVV1tyWrmf2lgLxStTXKqAUHhkq2vUJJruhB2ICymwBMYe1VpaMiDsltyzD5E65GA.jpg)

![charmast C2065 20,000mAh Power Bank with Built-In Cables, 22.5W Charging — 4](https://www.ofertitastop.com/i/jLpGeMb62BTJCLc_XbFmfWmbqrqnDq-5eD_1mwaG0xNRQ4eRyjzlNtbPs5lVCuZUbINud4pIoQdZBRrnWJZpD2CcRaKlhKxTHOVWVg_q2A4UR9mBrQnAyfSqAQ.jpg)

![charmast C2065 20,000mAh Power Bank with Built-In Cables, 22.5W Charging — 5](https://www.ofertitastop.com/i/spSUkgrgULuLoPde3jvX0Ejx7kuGCHkYZlqQtikRO02JIatA-5pqqxLUIto8fas1N_GUmVivm6T1kJBS7bdB3m4pu_ptr-kxxu6IVygdVfHAfsG65nlIQONrOQ.jpg)