# charmast C2046S 20,000mAh Portable Charger with Built-In Cables

Charge up to three devices with the charmast C2046S, a 20,000mAh power bank with built-in cables and a foldable AC plug.

- [Original product page](https://www.ofertitastop.com/us/product/charmast-c2046s-20-000mah-portable-charger-1)
- [View offer](https://www.ofertitastop.com/us/visit/charmast-c2046s-20-000mah-portable-charger-1)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-11-05T00:03:44.646Z
- Brand: charmast
- Model: C2046S
- MPN: C2046S
- SKU: ofertitastop-us-169452
- Category: Electronics > Electronics Accessories > Power > Batteries
- Source store: amazon US
- Active deal: Yes
- Price: 32.98 USD
- Previous price: 35.99 USD
- Discount: 8%
- Rating: 4.3 / 5
- Reviews: 285

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

## Description

Choosing a travel charger often comes down to one of two needs: keeping a setup simple with fewer loose cables, or having enough capacity and connections to support several devices. The charmast C2046S brings built-in charging cables, a foldable AC plug, and a 20,000mAh battery together in one portable power bank.

Its digital display shows the remaining charge at a glance, making it easier to plan recharging before a long day out.

## Technical overview
The C2046S is designed to charge compatible phones and tablets without requiring a separate cable for each connection. Its built-in iPhone cable and 2-in-1 USB-C/Micro-USB cable work alongside a USB-A output, so you can charge up to three devices at once. When multiple devices are connected, the shared output is up to 15W (5V/3A), fast charging is available for one compatible device.

- Capacity: 20,000mAh
- Connections: Built-in iPhone cable, built-in USB-C/Micro-USB cable, USB-A output, USB-C input
- Display: Digital battery-level display from 0% to 100%
- Dimensions: 5.91 × 2.83 × 1.09 inches
- Recharge options: Foldable AC wall plug or USB-C input

The separate USB-C port is for recharging the power bank, while its built-in cables and USB-A port provide device charging. The foldable AC plug offers a direct way to recharge the unit, and the USB-C input gives you another option when using a compatible charger. Its AC input supports 100–240V, 50/60Hz. Rated at 77Wh, it is intended for carry-on travel, keep the power bank in carry-on luggage rather than checked baggage.

## Practical tips
For a trip or a day away from an outlet, connect the devices you need and use the display to check the remaining battery level. The built-in connections can reduce the number of separate cables you need to pack, while the three-device charging setup is useful when a phone, tablet, or another compatible device needs power at the same time. For the fastest charging, connect one compatible device, with several devices attached, output is shared.

Recharge the power bank through its foldable AC plug or USB-C input, depending on the charging setup available. Buyers often appreciate the built-in cables, travel convenience, and battery capacity. Feedback on charging speed, reliability, and durability is mixed, and some find the unit bulky or heavy to handle at a wall outlet, so its main advantage is having multiple charging options ready in one pack.

## What’s included
The package includes the 20,000mAh power bank, a storage bag, and a user manual. The integrated cables and foldable wall plug are part of the charger’s all-in-one design, helping keep a travel charging kit organized without relying on a separate wall charger for every use.

## Final verdict
The charmast C2046S suits travelers and busy days when several compatible devices may need a top-up and carrying individual cables is inconvenient. Its 20,000mAh capacity, built-in charging connections, direct AC recharging, and readable battery display make it a practical choice for keeping phone and tablet power in one portable setup.

## Images

![charmast C2046S 20,000mAh Portable Charger with Built-In Cables — 1](https://www.ofertitastop.com/i/bG0zgbJKOh1vW1tMNWo35wmFdtBc09B9Z5wal13nPraZaqZLNstEHctufVqkp2wSic02rX9bJ3SzwtE5TXFk4HIxanvdtjzj69b1qmj0mbWqKafpc8jiAyyWKw.jpg)

![charmast C2046S 20,000mAh Portable Charger with Built-In Cables — 2](https://www.ofertitastop.com/i/WzxAwEEDiYStC006t5TzWT8XwetevGVRk_C6prNHbH_X1KfictLNgD8G5y6Bt6W_1CwaAdd3pPW-VenKoNewWvCiNcBYLc4GkN3E35dQQgC8xyKFYkId08EZjA.jpg)

![charmast C2046S 20,000mAh Portable Charger with Built-In Cables — 3](https://www.ofertitastop.com/i/BQ9fgPfAzIP23WjQ16DCgN7K5mSnJQX3uMn0uRJToIhf01cSzNgfkqnGmwLZc2WRECvqQ0Bbl4-A3j0m1Zjf2PoS2PmW5pEZeVncsU0WG_SUGLY1kezSSXoEog.jpg)

![charmast C2046S 20,000mAh Portable Charger with Built-In Cables — 4](https://www.ofertitastop.com/i/hEBK1_-DHjAOcXcP5Pjo-xpOCGgl9GsSCgVb6qIg2AYW5oFjsfAwdZYlbbv5HB2D8IJJuIWZE2NxYid0qojzRyes18vyH5dnz7wz74ep88prYC_6S4QLIekGeA.jpg)

![charmast C2046S 20,000mAh Portable Charger with Built-In Cables — 5](https://www.ofertitastop.com/i/EPhMtb02SlelLdngMxlUfAGhIU3QFgzwhSLcTCGb_msGTc919iITTBEkuu6OL21cZ97lBAnRuFh6HmoPIK72Ma0jhskuUCmkAe40ONun3AgygDggV_NM-k6yzw.jpg)