--- product_id: 556774477 title: "Solar Charger, Power Bank, 42800mAh Portable Charger Power Bank External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Black)" brand: "mregb" price: "291090₫" currency: VND in_stock: false url: https://www.desertcart.vn/products/556774477-solar-charger-power-bank-42800mah-portable-charger-power-bank-external store_origin: VN region: Vietnam --- # 100-hour super bright LED flashlight 42800mAh massive capacity Solar charging emergency backup Solar Charger, Power Bank, 42800mAh Portable Charger Power Bank External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Black) **Brand:** mregb **Price:** 291090₫ **Availability:** ❌ Out of Stock ## Summary > ⚡ Power up anywhere, anytime — because your hustle never stops! ## Quick Answers - **What is this?** Solar Charger, Power Bank, 42800mAh Portable Charger Power Bank External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Black) by mregb - **How much does it cost?** 291090₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/556774477-solar-charger-power-bank-42800mah-portable-charger-power-bank-external) ## Best For - mregb enthusiasts ## Why This Product - Trusted mregb brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rugged & Ready:** IP67 waterproof, dust-proof, and drop-proof design built to survive extreme environments. - • **Light Your Path:** Built-in super bright LED flashlight runs up to 100 hours—never get caught in the dark again. - • **Sun-Powered Freedom:** Integrated solar panel offers eco-friendly emergency charging wherever sunlight hits. - • **Fast & Flexible Charging:** Dual USB ports with QC 3.0 fast charge support for rapid, simultaneous device power-ups. - • **Unstoppable Power Reserve:** Massive 42800mAh capacity keeps your devices charged through any adventure or blackout. ## Overview This 42800mAh solar power bank combines massive battery capacity with durable, IP67-rated ruggedness and fast QC 3.0 charging. Featuring a built-in super bright LED flashlight with 100-hour runtime and dual USB outputs, it’s designed for professionals on the move who demand reliable power and emergency readiness in any environment. ## Description Full description not available ## Features - Power bank has a large battery capacity of 42800mAh, and uses high-density batteries to load a larger capacity without changing the volume and weight. Whether you are at home or on the road, the mobile power supply can quickly charge your phone, so that your phone away from the trouble of running out of power. - Power bank is equipped with a super bright LED flashlight with a long range, It can work continuously for up to 100 hours.Don't worry about the fear of darkness, power bank flashlight lights your way home. - Solar power bank uses strong professional ABS material, Chemical resistant, heat-resistant, and has super surface hardness, high elasticity and toughness. IP67 waterproof,drop-proof and dust-proof, so you no longer worry about damage caused by water/drop, it can work in extreme environments. With more than 1600+ charging life cycles, it is very reliable and durable. - Solar power bank is compatible with all USB devices such as smartphones and tablets. The product has 2 USB output ports, if the device is compatible, it can support the QC3.0 fast charge protocol.Whether you're camping or on your way home, enjoy the convenience of a solar charger. Keep a good mood. - Friendly reminder:When the solar panel is being cared for, it will generate current to charge the battery, and the indicator light will flash.Solar charging is affected by the instability of sunshine intensity and duration. The battery capacity of the product is very large, so the charging will be very slow and should be used as an emergency function. For daily charging, please use a charger with a power above 5V2A to charge the device. ## Technical Specifications | Specification | Value | |---------------|-------| | Product Dimensions | 18.8 x 9.91 x 2.54 cm; 590 g | | Batteries | 1 A batteries required. (included) | | Item model number | YD-819 | | Connectivity technologies | Powerline | | Special features | Over Charging Protection Short Circuit Protection, LED Indicator Lights, Portable Charger,Waterproof,Dust-proof,Drop-proof, Flashlight | | Color | Black | | Item Weight | 590 g | ## Product Details - **Connector type:** Usb - **Brand:** Mregb - **Battery capacity:** 42800 Milliamp Hours - **Colour:** Black - **Special features:** Over Charging Protection Short Circuit Protection, LED Indicator Lights, Portable Charger,Waterproof,Dust-proof,Drop-proof, Flashlight ## Images ![Solar Charger, Power Bank, 42800mAh Portable Charger Power Bank External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Black) - Image 1](https://m.media-amazon.com/images/I/616vQMELlRL.jpg) ![Solar Charger, Power Bank, 42800mAh Portable Charger Power Bank External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Black) - Image 2](https://m.media-amazon.com/images/I/71tG-4iaBuL.jpg) ![Solar Charger, Power Bank, 42800mAh Portable Charger Power Bank External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Black) - Image 3](https://m.media-amazon.com/images/I/71tAQ6SPVNL.jpg) ![Solar Charger, Power Bank, 42800mAh Portable Charger Power Bank External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Black) - Image 4](https://m.media-amazon.com/images/I/71OYY2a3q4L.jpg) ![Solar Charger, Power Bank, 42800mAh Portable Charger Power Bank External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Black) - Image 5](https://m.media-amazon.com/images/I/71vRD52PE1L.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Can it be used in pass-through mode? That is, can a device be plugged in and getting charged when the power bank is itself being charged?** A: Yes **Q: Can this solar charger be used on an iPhone?** A: Yes with proper USB cord **Q: Are there status light (or anything else) to indicate the current charge level of the power bank?** A: Yes, there are 4 blue lights that indicate the charge level. 1 light = 20-25% 2 lights = 25-50% 3 lights = 50-75% 4 lights = 75-100% **Q: #1 rating , which one is the best to buy** A: The battery life is not as advertised I would definitely search through the reviews before you make a purchase when it comes to a power bank, also if you're trying to get a solar charger I would get one that unfolds they work 10 times better ## Frequently Bought Together - Solar Charger, Power Bank, 42800mAh Portable Charger Power Bank External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Black) - Power-Bank-Solar-Charger - 42800mAh Portable Charger,Solar Power Bank,External Battery Pack 5V3.1A Qc 3.0 Fast Charger Built-in Super Bright Flashlight (Orange) - LifeStraw Personal Water Purifier for Hiking, Camping, Travel, and Emergency Preparedness --- ## 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/556774477-solar-charger-power-bank-42800mah-portable-charger-power-bank-external](https://www.desertcart.vn/products/556774477-solar-charger-power-bank-42800mah-portable-charger-power-bank-external) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-09*