# Expandable 35L Waterproof Laptop Backpack with USB Charging Port for Business Travel & Daily Work ![Premium check icon](https://api.iconify.design/lucide/check-circle.svg?color=%23F23E5B) Premium Business Carry ## Expandable 35L Waterproof Laptop Backpack ### A smarter backpack for work, business travel, commuting and daily organization. Designed for modern movement, this expandable laptop backpack keeps your tech, travel gear and everyday essentials organized with a professional look, USB charging access and water-resistant protection. **35L** Expandable Travel Capacity **15.6"** Laptop Compatible **USB** Charging Port Access ![Expandable waterproof laptop backpack with USB charging for business travel](https://www.pulingo.com/cdn/shop/files/S6212d0a1e05648abada559b2098049dcd.webp?v=1780667330) ![Backpack icon](https://api.iconify.design/lucide/backpack.svg?color=%2303148C) Organized for work, travel and daily carry ![Water resistant icon](https://api.iconify.design/lucide/droplets.svg?color=%23F23E5B) **Water-Resistant Exterior** Helps protect essentials from light moisture. ![Comfort icon](https://api.iconify.design/lucide/align-vertical-space-around.svg?color=%23F23E5B) **Comfort Back Support** Padded support for commuting and travel. ![Briefcase icon](https://api.iconify.design/lucide/briefcase-business.svg?color=%23F23E5B) Business-Ready Layout ### Made for Clean, Professional Organization From laptop carry to travel packing, the multi-compartment layout helps separate devices, documents, accessories and personal items so every part of your day feels easier. ![Business backpack with multiple compartments and large capacity](https://www.pulingo.com/cdn/shop/files/Sdd70f552cb0c42c09b0703b7715196d8C.webp?v=1780667329) ![Organizer icon](https://api.iconify.design/lucide/panel-top.svg?color=%23ffffff) ### Separate Storage for Laptop, Tech and Essentials Keep your laptop, tablet, chargers, wallet, documents and travel accessories in dedicated zones instead of carrying everything in one messy main pocket. ![Check icon](https://api.iconify.design/lucide/check-circle.svg?color=%23F23E5B) **Dedicated Laptop Protection** Designed to support everyday laptop carry for work, school and travel. ![Check icon](https://api.iconify.design/lucide/check-circle.svg?color=%23F23E5B) **Multi-Pocket Organization** Useful sections for cables, cards, accessories, documents and small items. ![Check icon](https://api.iconify.design/lucide/check-circle.svg?color=%23F23E5B) **Professional Daily Look** A clean business style that works for commuting, meetings and travel days. ![Expandable backpack capacity from 26L to 35L](https://www.pulingo.com/cdn/shop/files/S8c8fa884d956435695266b8221ec4a63s.webp?v=1780667328) ![Expandable capacity icon](https://api.iconify.design/lucide/maximize-2.svg?color=%23ffffff) ### Expandable 26L to 35L Capacity Use it slim for the office, then expand the storage when you need extra room for travel items, clothes, books or daily gear. ![Check icon](https://api.iconify.design/lucide/check-circle.svg?color=%23F23E5B) **26L Daily Carry Mode** A cleaner profile for normal commuting and work use. ![Check icon](https://api.iconify.design/lucide/check-circle.svg?color=%23F23E5B) **35L Travel Mode** Extra space for longer days, short trips and heavier carry needs. ![Check icon](https://api.iconify.design/lucide/check-circle.svg?color=%23F23E5B) **Flexible Everyday Use** Works well as a work backpack, travel backpack or school backpack. ### USB Charging Access for Smarter Travel The external USB charging port lets you connect a power bank inside the backpack and charge compatible devices more conveniently while commuting, waiting at the airport or working on the go. **External USB Port** Convenient charging access while moving. **Power Bank Friendly** Use your own compatible power bank inside. **Travel Practical** Helpful for airports, work trips and daily use. **Clean Cable Flow** Reduces the need to hold a power bank by hand. ![Laptop backpack with external USB charging port](https://www.pulingo.com/cdn/shop/files/S00f85fe249394b21a0e2a04914df3b62p.webp?v=1780667328) ![Back support icon](https://api.iconify.design/lucide/align-vertical-space-around.svg?color=%23F23E5B) ### Comfort-Focused Carry Padded shoulder straps and back support help make longer commutes, campus days and travel movement more comfortable. ![Water resistant icon](https://api.iconify.design/lucide/shield-check.svg?color=%23F23E5B) ### Everyday Protection The water-resistant exterior helps protect your essentials from light rain, splashes and normal daily exposure. ![Travel icon](https://api.iconify.design/lucide/plane.svg?color=%23F23E5B) ### Work to Travel Ready A professional backpack that transitions easily from office days to business trips, flights and weekend carry. ![FAQ icon](https://api.iconify.design/lucide/circle-help.svg?color=%23F23E5B) Product Guide ### Frequently Asked Questions Quick answers to help you choose the right business and travel laptop backpack. ![Laptop icon](https://api.iconify.design/lucide/laptop.svg?color=%23F23E5B)Is this backpack suitable for a laptop? + Yes. It is designed for laptop carry and daily work essentials, with organized compartments for your device, accessories, documents and personal items. ![Capacity icon](https://api.iconify.design/lucide/maximize-2.svg?color=%23F23E5B)What does 26L to 35L expandable capacity mean? + It means the backpack can stay slimmer for everyday commuting and expand when you need more room for clothing, travel gear, books or additional work items. ![USB icon](https://api.iconify.design/lucide/usb.svg?color=%23F23E5B)Does the USB charging port include a power bank? + The backpack includes external USB charging access. A power bank is normally used separately inside the bag and is not included unless stated in the product options. ![Water resistant icon](https://api.iconify.design/lucide/droplets.svg?color=%23F23E5B)Is the backpack fully waterproof? + It has a water-resistant exterior for everyday protection against light rain and splashes. Avoid full submersion or heavy storm exposure, especially when carrying electronics. ## Details - **Price:** 119.99 USD - **Vendor:** PulinGO - **Type:** Laptop Backpacks - **Tags:** 35l backpack, anti theft backpack, black backpack, business backpack, carry on backpack, commuter backpack, computer bag, expandable backpack, gray backpack, laptop backpack, laptop bags and sleeves, laptop travel bag, men backpack, office backpack, organized backpack, school backpack, usb charging backpack, waterproof backpack, work backpack ## Variants | Variant | Price | Available | |---------|-------|-----------| | Black | 119.99 USD | In stock | | Gray | 119.99 USD | In stock | ## Images - Expandable 35L Waterproof Laptop Backpack with USB Charging Port for Business Travel & Daily Work - Expandable 35L Waterproof Laptop Backpack with USB Charging Port for Business Travel & Daily Work - Expandable 35L Waterproof Laptop Backpack with USB Charging Port for Business Travel & Daily Work - Expandable 35L Waterproof Laptop Backpack with USB Charging Port for Business Travel & Daily Work - Expandable 35L Waterproof Laptop Backpack with USB Charging Port for Business Travel & Daily Work - Expandable 35L Waterproof Laptop Backpack with USB Charging Port for Business Travel & Daily Work - Expandable 35L Waterproof Laptop Backpack with USB Charging Port for Business Travel & Daily Work --- > Source: [PulinGO](https://www.pulingo.com/products/expandable-35l-waterproof-laptop-backpack-usb-charging) > Updated: 2026-06-05