--- product_id: 46674310 title: "DULLA 20000mAh Portable Charger - Ultra High Capacity Power Bank (3.4A Output, Dual ports, 2.1A Input, Li-polymer Battery Banks) for iPhone, iPad & Samsung Galaxy & More (black)" brand: "dulla" price: "5719573₫" currency: VND in_stock: false category: "Wireless Phone Accessory" url: https://www.desertcart.vn/products/46674310-dulla-20000mah-portable-charger-ultra-high-capacity-power-bank-3 store_origin: VN region: Vietnam --- # DULLA 20000mAh Portable Charger - Ultra High Capacity Power Bank (3.4A Output, Dual ports, 2.1A Input, Li-polymer Battery Banks) for iPhone, iPad & Samsung Galaxy & More (black) **Brand:** dulla **Price:** 5719573₫ **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** DULLA 20000mAh Portable Charger - Ultra High Capacity Power Bank (3.4A Output, Dual ports, 2.1A Input, Li-polymer Battery Banks) for iPhone, iPad & Samsung Galaxy & More (black) by dulla - **How much does it cost?** 5719573₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/46674310-dulla-20000mah-portable-charger-ultra-high-capacity-power-bank-3) ## Best For - dulla enthusiasts ## Why This Product - Trusted dulla brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description DC 5V/2A charger as well as the original USB cable are recommended to recharge the battery pack which takes about 10 hours. During recharging, the first battery indicator starts blinking when the power bank is being charged. When the battery level reaches 25%, the first indicator becomes solid and the second starts blinking. The pattern repeats until all indicators become solid and the device is fully charged. A Whole Week Without A Power Socket Ultra high 20000mah capacity portable power bank, enough power to keep you going for days. Charge your iPhone 7 about 7 times, 5 times for galaxy s7 or a iPad up to 2 times. Recharge it back up in just about 10 hours with a 5V/2A ac adapter. Enormous 3.4A Output Ultra high output of 3.4A (2.1 max per port) provides enough power to charge any combination of devices at their optimal charging speed. MultiProtect Safety System Surge protection, short circuit protection and more advanced safety features keep you and your devices safe. Made To More Durable The new and improved portable charger with high-density Li-polymer battery outlasts both conventional Li-polymer batteries and 18650 cells when it comes to efficiency, performance, and protection. Unbelievable Warranty At DULLA, we believe in our products. That's why we back them all with 30-day no reason return and 18-month warranty and provide friendly, easy-to-reach support. What's In the Box 1 x DULLA 20000mAh Power Bank 1 x micro USB Charge Cable for the power bank(not lightning cord) 1 x user manual ## Features - High Capacity 20000mAh: Weeklong portable battery charger, charge your iPhone about 7 times, Galaxy S7 about 5 times, or an iPad mini 2 up to 2 times with a massive 20000mAh capacity. - High-Speed Charging for 2 devices: Dual USB ports for a total current output of 3.4A (2.1A max per port). The power bank can charge 2 devices simultaneously at their optimal charging speed with the DULLA 20000mAh power bank. (Does not support Qualcomm Quick Charge) - Fast Recharging Technology: The 2.1A input current makes it deliver the fastest possible charge (does not support Qualcomm Quick Charge). Recharge itself in *10 hours with a 2A ac charger, phone chargers (generally 1A) will take about 20 hours. - Safe to Charge: Intelligent power management IC, supports over-charged, over-discharged, over-voltage, over-current and short circuit protection. Ensures complete protection for you and your devices. - What You Get: DULLA 20000mAh portable charger, micro USB cable for the power bank, user manual, our fan-favorite 18-month warranty and lifelong friendly customer service. If any problem, please contact DULLA Support for resolution. ## Images ![DULLA 20000mAh Portable Charger - Ultra High Capacity Power Bank (3.4A Output, Dual ports, 2.1A Input, Li-polymer Battery Banks) for iPhone, iPad & Samsung Galaxy & More (black) - Image 1](https://images-na.ssl-images-amazon.com/images/I/41ORp35ueIL.jpg) ![DULLA 20000mAh Portable Charger - Ultra High Capacity Power Bank (3.4A Output, Dual ports, 2.1A Input, Li-polymer Battery Banks) for iPhone, iPad & Samsung Galaxy & More (black) - Image 2](https://images-na.ssl-images-amazon.com/images/I/41LB%2BnJxn4L.jpg) ![DULLA 20000mAh Portable Charger - Ultra High Capacity Power Bank (3.4A Output, Dual ports, 2.1A Input, Li-polymer Battery Banks) for iPhone, iPad & Samsung Galaxy & More (black) - Image 3](https://images-na.ssl-images-amazon.com/images/I/41RzXoSVdCL.jpg) ![DULLA 20000mAh Portable Charger - Ultra High Capacity Power Bank (3.4A Output, Dual ports, 2.1A Input, Li-polymer Battery Banks) for iPhone, iPad & Samsung Galaxy & More (black) - Image 4](https://images-na.ssl-images-amazon.com/images/I/41j-S-whESL.jpg) ![DULLA 20000mAh Portable Charger - Ultra High Capacity Power Bank (3.4A Output, Dual ports, 2.1A Input, Li-polymer Battery Banks) for iPhone, iPad & Samsung Galaxy & More (black) - Image 5](https://images-na.ssl-images-amazon.com/images/I/41nKqYjaE7L.jpg) --- ## 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.vn/products/46674310-dulla-20000mah-portable-charger-ultra-high-capacity-power-bank-3](https://www.desertcart.vn/products/46674310-dulla-20000mah-portable-charger-ultra-high-capacity-power-bank-3) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-09*