[B2B Sample] 20000mAh Waterproof Wireless Solar Power Bank

[B2B Sample Order] 20000mAh Waterproof Wireless Solar Power Bank with LED Flashlight | Custom Logo & Free Mockup

$49.90

capacity20000mAh

color Blue Black Red Orange

★ B2B Sample Order Policy & Customization Process

ATTENTION WHOLESALE & OEM BUYERS: This product listing is dedicated to commercial sample ordering, custom proofing, and prototype verification for B2B clients.

Full Custom Logo & Pattern Support: We support custom logos, patterns, graphics, and full-wrap artwork. Simply provide your design files or drawings (AI, PDF, EPS, or high-res vector files).
Free Digital Mockup Confirmation: Our design team will generate a 100% FREE digital visual mockup / rendering for your review and approval before sample production begins. Production starts strictly after your confirmation.
100% Sample Fee Refund: Once your sample is approved and you place your bulk wholesale production order, the full sample fee will be refunded / credited directly against your bulk order invoice!
Direct Contact Before Ordering: Contact our team via Email at info@kolinktrading.com or WhatsApp at +86 15067563835 to confirm your artwork and design specifications.

Product Highlights & Key Features

20000mAh High-Density Lithium Polymer Battery: High-grade rechargeable Li-polymer battery cells provide dependable, long-lasting power reserves for smart devices during travel, hiking, and emergencies.
Multi-Port Simultaneous Fast Charging: Equipped with dual USB-A output ports, bidirectional Type-C port, and a Qi standard 5W wireless charging pad to charge up to 4 devices concurrently.
High-Efficiency Monocrystalline Solar Panel: Built-in 5V / 360mA monocrystalline solar panel automatically harnesses solar power under direct sunlight for emergency backup recharging.
Quad Ultra-Bright LED Torch & SOS Lighting: Powerful 4 × 0.5W LED flashlight with steady lighting, strobe flashing, and emergency SOS distress modes for outdoor nighttime utility.
IP54 Rainproof & Shock-Absorbing Shell: Sturdy ABS + PC composite body with high-temperature silicone bumper edges delivers drop-proof, splash-resistant, and dustproof outdoor durability.
Intelligent PCBA Circuit Protection: Multi-layered protection against short circuits, over-discharging, over-charging, over-current, and low-tension hazards.
Ergonomic & Portable Design: Lightweight and compact form factor designed for effortless grab-and-go carry or backpack attachment.

Technical Specifications & Parameters

Product Name	20000mAh Waterproof Wireless Solar Power Bank with Quad LED Flashlight
Battery Capacity	20,000mAh (High-Grade Li-Polymer)
Certifications & Standards	QI, CE, FCC, RoHS, ETL, CB Certified
Solar Panel Input	5V / 360mAh Monocrystalline Silicon
Wireless Charging Output	DC 5V / 1A (5W Qi Standard)
Dual USB-A Outputs	DC 5V / 3A (Max)
Type-C Input / Output	DC 5V / 3A (Max)
Micro USB Input	DC 5V / 2A (Max)
Emergency Flashlight	4 × 0.5W Ultra-Bright LED Torch (Steady / Strobe / SOS)
Water Resistance	IP54 Rainproof, Splash-Proof & Dustproof
Materials	Durable ABS + PC + High-Temperature Silica Gel
Dimensions & Net Weight	167 × 85 × 22 mm \| Approx. 350g
Full Charging Time	6 – 8.5 Hours

Product Advantage & Quality Comparison (Why Choose Us)

Product Details & Visual Gallery

20000mAh Solar Power Bank Product Overview

Dual LED Flashlight and Carabiner Details

Product Finish and Customization Presentation

Customization & OEM Branding Capabilities

Artwork Submission: Send vector files (AI, PDF, CDR, EPS). Custom logo placement on back housing or front bezel.
Digital Proofing: Free digital visual mockup provided within 24 hours for final position and size approval before sample fabrication.
Branding Methods: Precision laser engraving, durable silk-screen printing, or vibrant full-color UV digital printing.
Color Options: Blue, Black, Red, Orange, or custom Pantone color matching for bulk orders.
Custom Packaging: Branded retail boxes, kraft gift packaging, custom barcode/UPC labels, and manuals.

How The B2B Procurement Process Works

Send Artwork for Free Mockup: Send your logo or design files (AI, PDF, EPS) to our official Email (info@kolinktrading.com) or WhatsApp (+86 15067563835) to receive your free visual mockup.
Confirm Proof & Produce: Once you review and approve the digital mockup, sample production will be arranged immediately.
Quality Evaluation: Inspect the physical sample for build quality, battery capacity, solar charging, and print precision.
Bulk Order & Sample Credit: Place your mass production order; the sample cost is deducted directly from your mass production invoice.

⚠️ Customization Process & Return Policy

Logo and graphics support in-depth customization (customer provides vector artwork or drawings). We provide a free digital rendering mockup for client approval prior to production. Due to the bespoke nature of customized items, customized products are strictly non-returnable and non-refundable unless there is a verifiable quality or manufacturing defect.

Direct B2B Support & Fast Quotes

Email: info@kolinktrading.com | WhatsApp: +86 15067563835
Send your logo files, custom requirements, or inquiries directly to our OEM team.