# Charmast Portable Charger with Built-in 4 Cables, 10,000mAh USB-C Power Bank \(6 Outputs, 3 Inputs\) Charmast 10,000mAh power bank with built-in USB-C, iOS and Micro-USB cables for easy multi-device charging. Check price and fit before buying. - [Original product page](https://www.ofertitastop.com/uk/product/charmast-portable-charger-with-built-in) - [View offer](https://www.ofertitastop.com/uk/visit/charmast-portable-charger-with-built-in) - Market: UK - Language: en-GB - Currency: GBP - Product updated: 2026-10-23T05:42:19.905Z - SKU: ofertitastop-uk-100618 - Category: Electronics > Electronics Accessories > Power > Batteries > Mobile Phone Batteries - Source store: amazon UK - Active deal: Yes - Price: 16.14 GBP - Previous price: 19.99 GBP - Discount: 19% - Rating: 4.6 / 5 - Reviews: 190 Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store. ## Description If you hate cable tangles, a power bank with built-in leads can feel like a small luxury. This Charmast portable charger goes for that “grab-and-go” approach with built-in charging cables and a slim travel format, plus the option to power up multiple devices at once. That said, it’s worth setting expectations: the headline is convenience and capacity for everyday charging, not a premium charging lab experiment. Depending on how many devices you realistically need to top up simultaneously, it can either be spot-on or feel a bit over-specified. ## The essentials This is a portable power bank designed to charge phones, tablets and other USB/Built-in cable devices while you’re out. The standout is its all-in-one setup: it includes 3 built-in output cables (USB-C, iOS, and Micro-USB) and also features an additional USB-A input cable for recharging. On top of that, the brand claims it supports up to 6 devices simultaneously thanks to its multiple cable/port design. In plain terms, it’s aimed at people who travel with a few gadgets (a phone plus backups, a tablet, maybe an older Micro-USB item) and want one device that can handle the lot. ## What it’s like to use day to day Picture a typical train or airport scenario: your phone is low, your partner’s tablet needs a boost, and one of your smaller accessories uses Micro-USB. With this power bank, you’re not hunting for a bag of cables. Instead, you use the built-in leads directly, and the device includes a digital LED display to show remaining battery level at a glance. The LED readout is a small but genuinely helpful touch. Power banks can be frustrating when they’re “mystery boxes”, so having visible battery level reduces the guesswork. One practical limit to keep in mind: more built-in cables can mean less flexibility than a fully modular setup. If your everyday charging ecosystem is mostly modern USB-C devices, you may not use all the built-in outputs very often. ## Key features for travel and multi-device charging The product positioning here is pretty clear. It’s built for scenarios where you might need different connector types without carrying separate leads. - Built-in 3 output cables (USB-C, iOS, Micro-USB) for charging compatible devices. - Multiple output options to support simultaneous charging for up to 6 devices. - 3 input methods for recharging the power bank: a built-in USB-C input port, plus USB-A and Micro-USB input options. - A slim, travel-friendly design with a digital LED display for battery level. This makes it especially useful if you regularly juggle mixed devices—newer phones alongside older accessories, or a tablet plus a handset while you’re away. ## Tech specs - Name: Charmast Portable Charger with Built in 4 Cables, 10000mAh Travel Essential USB C Battery Pack 6 Outputs 3 Inputs 3A Fast Charging Power Bank - Capacity: 10000mAh - Outputs: 6 outputs (supports simultaneous charging for up to 6 devices) - Inputs: 3 inputs (built-in USB-C input port, USB-A charging cable, Micro-USB input port) - Outputs includes built-in cables: USB-C / iOS / Micro-USB - LED display: Digital LED display to show remaining battery level - Size: 5.68" × 2.63" × 0.69" - Weight: 0.53 lb ## Is it a good fit for you? It’s a good fit if you want a slim travel power bank that includes multiple built-in cable types, especially when you’re charging more than one device at a time. It also makes sense if your setup is mixed—USB-C alongside iOS and Micro-USB—because you won’t need to carry separate leads for those connections. It’s not for you if your charging needs are very minimal (one device only, all USB-C) and you’d rather keep things simple and modular. If you often prefer using your own cables, you may find built-in leads less convenient than a purely port-based approach. Worth considering if you travel, study, work on the go, or you just want fewer cables in your bag. Just keep in mind that “up to 6 devices” is only useful when you actually have multiple devices needing power at the same time. ## Buying verdict This Charmast power bank is best viewed as a practical travel essential for multi-device charging, with the main draw being its built-in cable approach and the idea of recharging via multiple input options. The LED battery indicator and compact dimensions make it easier to live with day-to-day. You may want to skip it if you’re only ever charging a single modern phone and don’t need Micro-USB or iOS leads. In that situation, a more straightforward USB-C-focused power bank could be better value for effort and simplicity. ## Quick FAQ ## Quick FAQ Q: Does this power bank remove the need for separate charging cables? A: It includes built-in output cables for USB-C, iOS and Micro-USB, so you can charge compatible devices without carrying all the leads. Q: How many devices can it charge at once? A: The product description states it supports simultaneous charging for up to 6 devices. Q: Can you recharge the power bank in different ways? A: Yes. It has 3 input methods: a built-in USB-C input port, a USB-A charging cable and a Micro-USB input port. Q: Is it easy to check how much battery is left? A: Yes, it comes with a digital LED display showing the remaining battery level. Q: Will it work with iPhone and iPad? A: The description says it’s compatible with iPhone and iPad, alongside other major devices. ## Final verdict If you want one compact power bank that covers multiple connector types and can charge several devices at once, this Charmast model is a sensible “grab-and-go” choice. If you mostly charge just one or two modern USB-C devices and you prefer using your own cables, it might be more convenience than you actually need. ## Images ![Charmast Portable Charger with Built-in 4 Cables, 10,000mAh USB-C Power Bank \(6 Outputs, 3 Inputs\) — 1](https://www.ofertitastop.com/i/r8NG5uxkKyUyfkSnhvMnGIEAPOBofyLqmNepxOTEsOIlqzaioNamB6n2MQ_SpjqI8eeRxj7t0yc0LDaBIAsSl-mtMcE_19byEt7N_Stj8s-iRS_4He3UaxJW0w.jpg) ![Charmast Portable Charger with Built-in 4 Cables, 10,000mAh USB-C Power Bank \(6 Outputs, 3 Inputs\) — 2](https://www.ofertitastop.com/i/zy30uZ2v3GX8JGWX0-4vzlodi05r9mzVt-38GZHDDrnznmktPY2hVHZK1v4bQcp01rKP3D1TPLZ00Luz89McHGIRv6A6cH42t80bA6cIOKPNpk9AyXQl_0PycQ.jpg) ![Charmast Portable Charger with Built-in 4 Cables, 10,000mAh USB-C Power Bank \(6 Outputs, 3 Inputs\) — 3](https://www.ofertitastop.com/i/iEoh8TbWTPgNjTIp2VYE_jZ1IBIpRl7Em4fd8Qq6W8aPCmSeIoHzls3Rhg14CtNlsjUG0YRmmHGALnSb0krsPbcJur49kitqirgcYJfig9xq7VMiZBfcv5amDA.jpg) ![Charmast Portable Charger with Built-in 4 Cables, 10,000mAh USB-C Power Bank \(6 Outputs, 3 Inputs\) — 4](https://www.ofertitastop.com/i/txfiUgO9JsRoq7Q4J97GxwHf4jleMREcwX_4RXH3uUCNZmDLW8WvfQ9zzdmCTMSFUDcuE5nwucs4bQpvm44sjuNlyQNCKvKmkgEqw_ZTjux9WuvCBkO0ckUNug.jpg) ![Charmast Portable Charger with Built-in 4 Cables, 10,000mAh USB-C Power Bank \(6 Outputs, 3 Inputs\) — 5](https://www.ofertitastop.com/i/5VyCYXZ_ZVSBR0dsaBV3Pl-SFaxrSV2ECGqgHJIkgwjCoxIkWdY1tfn4UpfUy9mqfIBrg9m5XMb6xkgm27NOFG86wPsbvEzokgjSOUnn6GIWzG37KFei2LLdYQ.jpg)