# VIYISI G1212 10,000mAh 20W Power Bank with Built-In Cables

The VIYISI G1212 is a compact 10,000mAh power bank with built-in charging cables and a digital display. Its claimed 20W fast charging and cable-free convenience suit travel and everyday top-ups, though the listing gives conflicting details about its outputs and exact dimensions.

- [Original product page](https://best-deals.pro/product/viyisi-g1212-10000mah-20w-power-bank-built-in-cables)
- [View offer](https://best-deals.pro/visit/viyisi-g1212-10000mah-20w-power-bank-built-in-cables)
- Market: US
- Language: en-US
- Currency: USD
- Brand: VIYISI
- Model: G1212
- Category: Electronics > Electronics Accessories > Power Banks
- Price: 22.98 USD
- Previous price: 29.99 USD
- Discount: 23%
- Price checked: 2026-11-13T05:28:46.452Z
- Rating: 4.7 / 5
- Reviews: 54

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

## At a glance

- Two built-in cables are claimed: Lightning for older iPhones and USB-C for newer iPhones and compatible Android devices.
- A digital display and pass-through charging are listed features.
- The listing describes the bank as slim and travel-friendly, with airline carry-on approval claimed.

## Pros

- Built-in Lightning and USB-C cables can reduce the need to carry separate phone-charging leads.
- The 10,000mAh capacity and compact listed dimensions make it practical to carry for daily use or trips.
- The digital display can show charging information at a glance.

## Specifications

### Identity
- Brand: VIYISI
- Model: G1212
### Power and battery
- Capacity: 10000 milliamp\_hours
- Power configuration: Corded Electric
- Battery cell type: Lithium Polymer
- Voltage: 5 volts
- Amperage: 3 A
- Maximum output power: 20 Wx 4
- Battery charge time: 3 hours
- Battery: 1 Nonstandard Battery batteries required. \(included\)
### Charging and connectivity
- Connector type: USB Type C
- Number of ports: 2
- Rapid charging claim: 50% in 30 mins
### Dimensions and weight
- Dimensions listed: 4.96 x 2.93 x 0.6 inches
- Weight listed: 176 g
- Battery weight: 72 g
### Other details
- Color: Lavender Purple
- Warranty description: 2 year

## Before you buy

- The listing claims 20W PD fast charging and 50% charge in 30 minutes, but does not specify the tested device or conditions. Charging speed varies by device and use.
- The manufacturer says the bank can deliver 50%-70% of its capacity to devices after conversion losses. Actual top-ups depend on the receiving device and whether it is in use.
- The listing is contradictory about connectivity and output: one passage claims four devices can charge simultaneously through two built-in cables plus USB-C and USB-A ports, while the technical details list 2 ports and maximum output as "20 Wx 4". It also gives dimensions as 4.96"L x 2.93"W x 0.6"Th and elsewhere as 4.96"×2.93"×0.61", and describes the finish as lavender while one feature passage calls the bank black. Confirm the selected version's ports, total output, dimensions and color before buying.

## A good fit for

- Travelers who want a pocketable backup battery with built-in Lightning and USB-C leads.
- People charging compatible phones and small electronics who value an at-a-glance display and pass-through charging.

## Less suited to

- Buyers who need a clearly documented port layout or verified simultaneous charging for several devices.
- Anyone seeking a confirmed charging-time guarantee across specific phones or charging conditions.

## Customer feedback

Customer feedback highlights perceived fast charging, compact size, portability, the built-in Lightning and USB-C cables, and the display. One customer reportedly said the bank fully charged in about half an hour, which should not be treated as a general device-charging time. These comments are relevant to its claimed 10,000mAh capacity and built-in cables, but the listing's unclear port and output details still matter for buyers planning to charge multiple devices. Ratings are mostly five-star, with some two-star ratings, and do not establish why customers rated it that way.
- Positive themes: Customer feedback describes the bank as compact and convenient for travel.
- Positive themes: Customers reportedly appreciate the built-in cables, digital display and charging speed.

## Frequently asked questions

### What cables are built into the VIYISI G1212?
The listing claims built-in Lightning and USB-C cables. It associates Lightning with iPhone 14 and earlier, and USB-C with newer iPhones and compatible Android devices.
### Can it charge more than one device at once?
The feature text claims charging up to four devices simultaneously, but the technical details list 2 ports and do not clearly reconcile that claim with the cables and ports. Confirm the selected version's output configuration before relying on multi-device charging.
### Does it support pass-through charging?
Yes. The listing says the power bank can recharge while connected to a device.
### Can I take it on a plane?
The manufacturer claims the 10,000mAh power bank meets TSA carry-on requirements. Check current airline and security guidance for your trip.

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## Images

![VIYISI G1212 10,000mAh 20W Power Bank with Built-In Cables — 1](https://best-deals.pro/i/8sLu4Iopy84S317ln8ficVoMJKoVDgfPoxmbxHRGPLAhnEIbEkVnDjkIx8O0oMhMmZjjuJwTa2OyD0j0FVkcrRAx7Ulb4bfhUBhhzReybdIGLYePSyy3Ppz9.jpg)

![VIYISI G1212 10,000mAh 20W Power Bank with Built-In Cables — 2](https://best-deals.pro/i/p50n8ZTwnrov5KmFzd30lwRLhCY3ONt88DRyaTxzSNIAhSnqqOTpfGVaP3bOaO718qQ1R9GJPOP2esQIG5ztxpk14L2B-AHsrtdjdDfcd_7rRjwK781yU8W7.jpg)

![VIYISI G1212 10,000mAh 20W Power Bank with Built-In Cables — 3](https://best-deals.pro/i/STJvL2ghqabvBtmNYRM1noJfDhYxeza3dv-ezApeAlMaMUJkHRbxw6SxLBw0cuevKa_dYdykatQwWnGF6H6oqmQIQ9prOpAUeHHUp60llYw0dQHejyHYTFnj.jpg)

![VIYISI G1212 10,000mAh 20W Power Bank with Built-In Cables — 4](https://best-deals.pro/i/6fDakGADJOj9AUGTP7HH3yzFlvx7lmUvxQrHAyMCB5Smala-2TzB8_AVe3o5QsvWX1DP4u662Jv247-HYt2B6KFkmeDkQqooYMLiUJb0Y656xyM6X-BOg_TQ.jpg)

![VIYISI G1212 10,000mAh 20W Power Bank with Built-In Cables — 5](https://best-deals.pro/i/LuHMajLWyPEVJPxz7Q0XfRkiiXs_gq5L7ctJ-_id4Sh-v-Q09Oj8ukXqmQjFalD9-3Y88qe0GJTVFi-B2682Dk0dbVDxAaiC1DDO-wzYtHnov5u0hs7dGWcE.jpg)

![VIYISI G1212 10,000mAh 20W Power Bank with Built-In Cables — 6](https://best-deals.pro/i/h5Xms0mCqGC4WSx-U_Qw2j4Dasl951rBfe1W3hE4ZT3Gkgj-s6BrfMU2rZm8jh6a3ZH5p_7hPd_Snar2O7fUkG4n07nc8zLY1FNjkYaHKWkqVpAQK2E85HwZ.jpg)

![VIYISI G1212 10,000mAh 20W Power Bank with Built-In Cables — 7](https://best-deals.pro/i/w0c50yB8SvPHvi7iw1ZaPUwcOIgeA2osIRxz5hz0l1RzgaRIcfqzq5DhoXfuTY3nB9ShtC4TTgQUl-TIPXoZeH2_ILuM3pVY0gJeKNPx3BjugKxNBI77mWGw.jpg)