--- product_id: 48956493 title: "YFW Power Bank 4000mAh Pocket External Battery Pack Ultra-Slim Power Charger for Samsung and Smart Device (White)" brand: "yfw" price: "3.87 DT" currency: TND in_stock: false reviews_count: 8 url: https://www.desertcart.tn/products/48956493-yfw-power-bank-4000mah-pocket-external-battery-pack-ultra-slim store_origin: TN region: Tunisia --- # 4000mAh capacity Ultra-slim design Safety certified YFW Power Bank 4000mAh Pocket External Battery Pack Ultra-Slim Power Charger for Samsung and Smart Device (White) **Brand:** yfw **Price:** 3.87 DT **Availability:** ❌ Out of Stock ## Summary > Stay Charged, Stay Stylish! ⚡ ## Quick Answers - **What is this?** YFW Power Bank 4000mAh Pocket External Battery Pack Ultra-Slim Power Charger for Samsung and Smart Device (White) by yfw - **How much does it cost?** 3.87 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/48956493-yfw-power-bank-4000mah-pocket-external-battery-pack-ultra-slim) ## Best For - yfw enthusiasts ## Why This Product - Trusted yfw brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Rest easy with CE, FCC, and ROHS certifications ensuring your devices are protected. - • **Emergency Ready:** Never be caught without power again—perfect for travel and on-the-go charging. - • **Touch of Elegance:** Enjoy a unique tactile experience with rounded edges and a smooth silicone finish. - • **Pocket-Sized Power:** Experience the ultimate portability with a wallet-sized design that fits seamlessly into your lifestyle. - • **Illuminate Your Path:** Built-in LED flashlight and battery indicators keep you informed and prepared. ## Overview The YFW Power Bank 4000mAh is an ultra-slim, portable external battery pack designed for Samsung and other smart devices. With a sleek wallet-sized design, it offers a unique touch experience, emergency power backup, and safety features certified by CE, FCC, and ROHS. The power bank also includes LED indicators and a flashlight, making it a versatile companion for any adventure. ## Description Mini power bank advantage:Ultra slim wallet size:20% smaller,10% thinner than iPhone 6.weight only 0.1kgPerfect for handbags and suit pockets.Durable,dependable power: The handy power bank is ideal for travelling, days out or long trips. Slip the stylish gadget into your wallet or bag frosted slip coating, the charge indicator.Wallet power bank Wide Compatibility:Apple: iPhone 7/7Plus, 6S/ 6S Plus, 6/6 Plus, 5s, 5c, 5; (non-MFi adapter)Android: Galaxy S7, S6, S4, S3; Note 4, 3, Nexus 5/4, LG G4, G3 Other Devices: Most USB Charged Devices, Camera Battery Charger, HTC One M9, PS Vita, MOTO X, and etc.Pocket Charger Specification: Input: DC5V-1A Output: DC5V-1A Capacity: 4000mAh Dimension: 4.7x2.17x0.35inPackage Includes:1 x Smart Charger 1 X Micro USB charging cable1 X USER-ManualWarm tips:Store in a cool, dry, well - ventilated, safe area.Do not dispose of in fire or water, or directly short circuit.Prohibited drop, impact, open or separate this power bank.Please fully charge it before first use to get better performance. If the power bank won't be used for a long time, please connect power supply every three months. ## Features - 1.Small and Light Weight (Super slim charger):YFW regards "portable" as the key design for this power bank, is wallet-sized and far slimmer than you expected,can hold it in hand comfortably while using your phone as it charges without noticing the weight. - 2.Rounded Edges Design & Smooth Touch(Wallet poawer bank):Rounded edges, silicone fabrication processing and over one thousand touch test, YFW team just want to give you an unique touch experience. - 3.Emergency Power Backup: This portable power bank is so handy when you are travelling or in a place that you don't have access to an outlet charge. We can say that, this is the most perfect holiday gift for your lovers. - 4.Safety First: Certified by CE, FCC, ROHS, both the hardware and the intelligent control system protect your device from short-circuit, over-charging, over-discharging, over-voltage and over-current. - 5.LED Indicator Lights & LED Flashlight: The LED battery indicators always show the battery level, each light indicates 25% of the power. If you ever need light, this power bank is perfect for you. The LED flashlight turns on right when you double click the power key. ## Images ![YFW Power Bank 4000mAh Pocket External Battery Pack Ultra-Slim Power Charger for Samsung and Smart Device (White) - Image 1](https://m.media-amazon.com/images/I/51Yy2JoNhqL.jpg) ![YFW Power Bank 4000mAh Pocket External Battery Pack Ultra-Slim Power Charger for Samsung and Smart Device (White) - Image 2](https://m.media-amazon.com/images/I/611ljONaWgL.jpg) ![YFW Power Bank 4000mAh Pocket External Battery Pack Ultra-Slim Power Charger for Samsung and Smart Device (White) - Image 3](https://m.media-amazon.com/images/I/51HC8MzpA+L.jpg) ![YFW Power Bank 4000mAh Pocket External Battery Pack Ultra-Slim Power Charger for Samsung and Smart Device (White) - Image 4](https://m.media-amazon.com/images/I/71DTxXo+SRL.jpg) ![YFW Power Bank 4000mAh Pocket External Battery Pack Ultra-Slim Power Charger for Samsung and Smart Device (White) - Image 5](https://m.media-amazon.com/images/I/61aed85633L.jpg) ## Customer Reviews ### ⭐⭐⭐ 3.0 out of 5 stars A tad 'meh' *by _***_ on Reviewed in the United Kingdom on 6 April 2018* Bought this to take on holiday for that much needed power boost to my phone so I could watch films on the plane etc.Guess I have been spoilt by fast charging but this thing seems to take ages to get even a half decent charge from it.The same goes for actually charging the power bank itself; it takes a good few hours to get it fully charged.Overall not a a bad product but would recommend looking at getting a phone battery case in the first instance for anyone looking to buy this for the sole purpose of using it to charge a phone. ### ⭐⭐⭐⭐ 4.0 out of 5 stars Very slim and light power bank *by A***R on Reviewed in the United Kingdom on 10 September 2017* It is not the best quality but it is very slim and light. It can be carried in your pocket and you would not feel it! ### ⭐⭐⭐⭐ 4.0 out of 5 stars Ok *by M***M on Reviewed in the United Kingdom on 20 July 2017* Good for a quick charge if your phone runs out of battery. Although does not charge it completely. Get a good hours charge out of it. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/48956493-yfw-power-bank-4000mah-pocket-external-battery-pack-ultra-slim](https://www.desertcart.tn/products/48956493-yfw-power-bank-4000mah-pocket-external-battery-pack-ultra-slim) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-13*