[B2B Sample] 20000mAh Hand Crank Solar Power Bank

[B2B Sample Order] 20000mAh Solar Power Bank with Hand Crank & Built-in 4 Cables (PD 20W / 15W Wireless) | Custom Logo & Free Mockup

$49.90

capacity20000 mAh

color Blue Orange Black 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

Triple Emergency Power Sources: Powered by a 20000mAh grade-A lithium polymer battery, integrated emergency hand-crank dynamo generator, and high-efficiency monocrystalline solar charging panel for zero-power emergency scenarios.
Built-In 4 Detachable Fast-Charging Cables: Features integrated Type-C, Lightning (iOS), Micro USB, and standard USB recharging cables—eliminating the need to carry external charging cords.
PD 20W Super Fast Wired & 15W Qi Wireless Charging: Supports USB Power Delivery (PD) 20W bidirectional fast charging alongside 15W adaptive Qi wireless charging for high-speed device replenishment.
Integrated Hand-Crank Manual Dynamo: Fold-out mechanical hand crank delivers reliable manual kinetic energy generation when solar or wall power is unavailable.
High-Intensity Camping Torch & Laser Pointer: Dual high-lumen multi-mode LED searchlight with steady torch, SOS emergency signal, and an integrated precision laser pointer.
Precision Compass & Heavy-Duty Lanyard: Integrated outdoor navigation compass and durable mountaineering carabiner lanyard for backpack attachment.
Rugged Shockproof & Weatherproof Build: Reinforced ABS + PC casing with impact-absorbing silicone corners engineered for military-grade drop resistance, dustproofing, and splash protection.
Comprehensive PCBA Smart Protection: Built-in multi-layered safety circuit prevents over-charging, over-discharging, short circuits, and foreign object detection (FOD).

Technical Specifications & Parameters

Product Name	20000mAh Solar Power Bank with Hand Crank Generator & Built-In 4 Cables
Battery Capacity	20,000mAh (High-Density Li-Polymer)
Certifications & Standards	Qi, CE, FCC, RoHS, PSE Certified
Emergency Generation	Mechanical Hand Crank Dynamo + Monocrystalline Solar Panel
Built-in Cables	4 Cables (Type-C Output, Lightning Output, Micro USB Output, USB-A Input)
Fast Charging Power	PD 20W Wired Fast Charge + 15W / 10W / 7.5W / 5W Qi Wireless Fast Charge
Input Ports	Type-C 20W PD Input + Built-in USB-A Cable Input + Solar + Hand Crank
Flashlight & Laser	High-Lumen Dual LED Camping Torch (Steady / Strobe / SOS) + Laser Pointer
Outdoor Tools	Embedded High-Precision Compass + Heavy-Duty Lanyard & Carabiner
Materials	Drop-Proof ABS + Flame-Retardant PC + Non-Slip Silicone Shock Armor
Available Colors	Military Orange, Adventure Blue, Classic Black, Outdoor Green

Product Certifications & Quality Compliance

✓ Certified International Safety & Quality Standards

Manufactured with high-grade safety PCBA circuits and premium A-grade battery cells. Fully certified under Qi Wireless Standard, CE, FCC, RoHS, and PSE. Equipped with multi-layered hardware safeguards against short-circuit, over-current, over-charge, over-discharge, and extreme thermal conditions.

Product Details & Visual Gallery

Hand Crank Solar Power Bank All-in-One Overview

Hand Crank Dynamo Manual Generation Demonstration

Built-in 4 Cables Multi-Device Simultaneous Charging

PD 20W Wired Fast Charge and 15W Qi Wireless Fast Charge

High-Lumen Camping Flashlight, Laser Light and SOS Beacon

Monocrystalline Solar Panel and Compass Navigation Details

Shockproof Armor Structure and Color Series

Detailed Technical Specifications and Dimension Comparison

Customization & OEM Branding Capabilities

Artwork Submission: Send vector files (AI, PDF, CDR, EPS). Custom logo placement on back housing, hand crank hub, 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: Military Orange, Adventure Blue, Classic Black, Outdoor Green, or custom Pantone color matching for bulk production.
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 hand-crank charging, wireless charging efficiency, cable durability, and print finish.
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.