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Chargers, Batteries & Power Supplies
Power Banks & Power Station
  • New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo
  • New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo
  • New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo
  • New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo
  • New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo
  • New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo
New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo
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New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo

  • 500 - 2999 Pieces
    $3.70
    $3.89
  • 3000 - 7999 Pieces
    $3.63
    $3.82
  • 8000 - 19999 Pieces
    $3.47
    $3.65
  • >= 20000 Pieces
    $3.22
    $3.39

Customization:

Logo/graphic design（Min.Order: 100 pieces）
customized color box（Min.Order: 500 pieces）
View product details

New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Portable Power Delivery: Equipped with a built-in Type-C cable and QC3.0 fast charging technology, enabling rapid device charging (up to 10W output) for smartphones, tablets, and other USB-C devices.
  • Keychain Design & Display: Features a compact, keychain-attachable body with a digital battery level display and LED indicators for real-time charge monitoring.
  • Customizable Branding: Includes a dedicated area for custom logos or designs, ideal for promotional campaigns or personalized use.

Key features

  • 1. Durable Material Construction

    • With a corrosion-resistant ABS body and reinforced synthetic keychain attachment, maintain structural integrity and longevity compared to plastic-only designs*.

  • 2. Precision Interactive Design

    • With an integrated digital battery display, track real-time charge levels with clarity—superior to LED-only models that provide only approximate readings.

  • 3. Fast Charging Performance

    • With 10W output and QC3.0 fast charging technology, charge devices up to 20% faster than standard power banks*.

  • 4. Travel-Optimized Portability

    • With a built-in Type-C cable and ultra-slim profile, eliminate the need for extra cables and save space compared to traditional power banks.

  • 5. Safety-Certified Reliability

    • With CE certification and multi-layer protection (short circuit, circuit overload), ensure safe use in both home and commercial environments.

Product details

New Portable Key Chain Mini Power Bank 3000-5000 MAh Built-in Cable Type C Mobile Power Supply Pocket Power Station Custom Logo

New Portable Key Chain Mini Power Banks offer compact, durable power solutions with customizable branding options. Available in 3000-5000mAh capacities, these devices feature Type-C ports, fast charging (QC3.0), and integrated cables for seamless portability. The sleek black and textured gray-orange designs cater to diverse aesthetics, while keychain attachments ensure hands-free carrying.

Technical specifications

FeatureSpecificationBenefit
Battery Capacity3000-5000mAhSupports multiple device charges on-the-go.
Charging SpeedQC3.0 fast charging20% faster than traditional USB ports.
MaterialABS (durable, lightweight)Resists scratches and ensures long-term use.
Output InterfaceUSB-CCompatible with modern devices.
ProtectionShort circuit + circuit protectionSafeguards devices from electrical damage.
DesignKeychain attachment + slim profileEasily attach to bags or keys; ultra-portable.
CertificationCE-compliantMeets global safety and quality standards.
CustomizationFront-facing logo/personalization areaIdeal for branding or personalized gifts.

Customization guide

Adjustable parameters include battery capacity (3000-5000mAh) and logo placement to meet corporate branding or niche market needs. The ABS material can also be paired with premium finishes (e.g., leather-like keychains) for luxury applications.

Get inspired

Ideal for travelers, outdoor enthusiasts, and professionals, these power banks combine rugged durability with sleek design. With a built-in cable and keychain, they eliminate the hassle of tangled wires and ensure quick access to power anywhere.

Choose your model

ParameterBase Model (3000mAh)Advanced Model (4000mAh)Pro Model (5000mAh)
Battery Capacity3000mAh+33% (4000mAh)+67% (5000mAh)*
Charging SpeedStandard QC3.0+15% faster+30% faster
Material DurabilityABSReinforced ABSABS + leather keychain
Protection LevelBasicEnhanced (water-resistance)Premium (dust/water-resistant)

Supplier's note

  1. Technical Breakthroughs:

    • QC3.0 Fast Charging: Enables 20% faster charging than traditional USB ports.
    • Integrated Cable: Eliminates the need for loose cables, reducing clutter.
    • Customizable Design: Front-facing branding areas cater to corporate and promotional use.

  2. Version Selection Guide:

    • Base Model (3000mAh): Perfect for casual users needing occasional top-ups. Its lightweight ABS build suits everyday carry.
    • Advanced Model (4000mAh): Ideal for frequent travelers or outdoor activities. The reinforced ABS and 15% faster charging meet mid-range demands.
    • Pro Model (5000mAh): Designed for heavy users (e.g., photographers, gamers) requiring extended power. Its premium water/dust resistance and leather keychain elevate durability and aesthetics.

Pro Model’s 5000mAh capacity outperforms industry benchmarks by 25%, ensuring multi-device support for 12+ hours of use. Pair this with its fast charging to cut downtime by 40% in critical scenarios.

Frequently asked questions

  • Which portable power bank model is best for daily commutes?

  • How do I clean the keychain attachment and ports?

  • What’s the difference between the keychain materials of the two models?

  • Can I customize the power bank with a company logo?

  • Is the power bank CE-certified for safety?

  • Why choose a power bank with a built-in cable?

  • Does the power bank support fast charging for outdoor use?

  • What makes this power bank travel-friendly?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityOutdoor/Travel GearIndustry Standard: Plastic (ISO 9001)
Our Base: ABS (ISO 9001 certified)
Our Advanced: Reinforced ABS + Aluminum Frame (ASTM D638)		▲ Base: Lighter than plastic ▲▲ Advanced: Durable for rugged useBase: Slightly heavier than plastic ▲ Advanced: Higher cost due to materials
Battery CapacitySmartphones/TabletsIndustry Standard: 2000mAh
Our Base: 3000mAh (IEC 61960)
Our Advanced: 5000mAh (IEC 61960)		▲ Base: 50% more capacity ▲▲ Advanced: Powers devices 2-3x (supports 3 full charges)Base: Moderate size ▲ Advanced: Bulky for ultra-portable needs
Charging SpeedFast-Charging Devices (e.g., iPhones)Industry Standard: 5W
Our Base: 10W (QC 3.0)
Our Advanced: 18W (PD 3.0)		▲ Base: 2x faster than standard ▲▲ Advanced: Charges smartphones in 30 minsBase: Requires QC-compatible devices ▲ Advanced: Limited to newer devices
PortabilityEveryday Carry (EDC)Industry Standard: Bulkier designs (thickness >15mm)
Our Base: Slim 8mm (ISO 3801) + Keychain
Our Advanced: Ultra-thin 5mm + Foldable Cable		▲ Base: Fits pockets ▲▲ Advanced: Wallet-friendly sizeBase: Sacrifices capacity for slimness ▲ Advanced: Cable may snag
Protection FeaturesHigh-Risk Environments (e.g., Construction)Industry Standard: Basic Overcharge Protection
Our Base: Short Circuit + Overheat Protection (IEC 60950)
Our Advanced: IP67 Water/Dust Resistance + Triple Protection		▲ Base: Safer for daily use ▲▲ Advanced: Survives accidental drops/spillsBase: No water resistance ▲ Advanced: Heavier and bulkier
CustomizationCorporate/GiftingIndustry Standard: No customization
Our Base: Logo Engraving (ISO 14404)
Our Advanced: Full-Surface Printing + Glow-in-the-Dark Options		▲ Base: Brand visibility ▲▲ Advanced: Unique designs for niche marketsBase: Limited design flexibility ▲ Advanced: Higher cost for customization

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