[B2B Sample] 20000mAh Solar Power Bank with 18W PD

[B2B Sample Order] 20000mAh Waterproof Solar Power Bank with 18W PD & 10W Wireless Charging | Custom Logo & Free Mockup

$49.90

capacity20000 mAh

color Blue Orange Black Red Green

★ 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

High-Capacity 20000mAh Lithium Polymer Battery: Grade-A high-density lithium polymer cells deliver reliable, multi-cycle energy reserves for smartphones, tablets, and outdoor tech devices.
18W PD & QC3.0 Fast Charging: Bidirectional Type-C port supports 18W USB Power Delivery (5V/3A, 9V/2A, 12V/1.5A), plus QC3.0 fast-charge USB port charging compatible devices up to 4x faster.
Adaptive 10W / 7.5W / 5W Wireless Charging: Built-in Qi standard wireless charging coil automatically detects and matches device power needs for efficient, cable-free top-ups.
Multi-Device Simultaneous Power: Dual USB outputs, bidirectional Type-C port, and wireless surface allow charging up to 4 devices simultaneously.
Monocrystalline Solar Panel: High-efficiency 5V / 360mAh monocrystalline silicon solar panel captures natural sunlight for outdoor emergency backup recharging.
Smart Digital Screen Display: Clear digital percentage screen shows precise remaining battery capacity and real-time charging/discharging status.
Dual 1W Ultra-Bright LED Torch: Integrated dual high-power LED lighting with 3 lighting modes: steady flashlight, emergency SOS signal, and outdoor strobe.
Rugged IP54 Weatherproof Housing: Engineered from high-grade ABS + PC with shock-absorbing silicone armor for robust rainproof, dustproof, and drop-resistant protection.
Comprehensive PCBA Safety Protection: Built-in smart circuitry shields against short circuits, overcharging, over-discharging, and overheating.

Technical Specifications & Parameters

Product Name	20000mAh Waterproof Solar Power Bank with 18W PD & 10W Wireless Charging
Battery Capacity	20,000mAh (High-Grade Li-Polymer)
Certifications & Standards	Qi, CE, FCC, RoHS, ETL Certified
Type-C Input / Output	PD 18W (5V/3A, 9V/2A, 12V/1.5A Max)
USB Output 1 (QC 3.0)	5V/3A, 9V/2A, 12V/1.5A (18W Max)
USB Output 2	DC 5V / 2A
Wireless Output	10W / 7.5W / 5W Qi Adaptive Fast Charging
Micro USB Input	5V/3A, 9V/2A, 12V/1.5A
Solar Panel Input	5V / 360mAh Monocrystalline Silicon
Display	LED Smart Digital Percentage Battery Screen
Flashlight / Torch	1W Dual LED Torch (Steady / Strobe / SOS)
Water Resistance	IP54 Rainproof, Splash-Proof & Dustproof
Materials	Durable ABS + PC + High-Temperature Silica Gel
Dimensions & Net Weight	175 × 85 × 30 mm \| Approx. 438g

Product Certifications & Quality Compliance

This product is engineered to meet strict international electronics safety regulations and holds full official certifications including Qi Wireless Standard, CE, FCC, RoHS, and ETL.

Official Product Certifications CE FCC RoHS

Product Details & Visual Gallery

20000mAh Solar Power Bank Product Overview

Outdoor Solar Recharging and Camping Utility

Digital Display Screen and High-Speed Interface

Waterproof Port Covers and Carabiner Hook

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: Adventure Blue, High-Visibility Orange, Classic Black, Sport Red, Outdoor Green, 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 18W PD charging, 10W wireless charging, digital screen accuracy, and build quality.
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.