slim power bank usb 4000mah

Product Detailed Description

The slim power bank USB 4000mAh is a pocket-sized promotional charger built for everyday brand visibility. As an ultra-thin model, it sits in the deepest part of our PC & USB range, which covers capacities from 2600mAh up to 5200mAh, and it offers a practical middle option: light enough for mass handouts at trade shows, yet genuinely useful as a daily emergency top-up for smartphones and other USB-powered devices.

• Slim, lightweight body that slips easily into a pocket, laptop bag or event tote
• 4000mAh capacity, sized to deliver a full emergency charge to a smartphone during a busy day
• Standard USB output for simple plug-and-play charging, with no setup required by the recipient
• Part of a power bank line that also includes lipstick-style and ultra-thin models, some with LED torch functions or digital screen displays
• Compact shape that carries a clean, visible imprint area for your logo

Specifications: capacity 4000mAh with a USB output, in an ultra-thin slim form factor. Aluminum alloy bodies are used across this power bank range for a premium feel, alongside lightweight plastic options for high-volume campaigns. Like many items in the PC & USB category, power banks in this range commonly carry CE, RoHS and FCC certification, which simplifies compliance conversations with corporate and retail buyers.

Branding is straightforward: artwork can be applied by silk-screen printing, laser engraving or full-color printing, and custom logo printing is available on short runs as well as large campaigns, making this slim power bank an easy fit for conferences, employee welcome kits and client thank-you gifts. Free samples are supplied when the total sample value stays under USD 5, and our sales team replies to every enquiry within 24 hours, so you can shortlist, sample and confirm your promotional stock quickly.