IP5389 DIY Power Bank Kit – 100W/300W High-Power Customizable Charging Station with Display

Build Your Own High-Performance Power Station – 100W/300W Output with Real-Time Display & Coulomb Meter

Unleash the ultimate power customization with our advanced IP5389 DIY Power Bank Kit. This upgraded version of the popular 5389 series combines high-capacity performance with intelligent features, including a color display, real-time power monitoring, and modular expansion capabilities. Whether you’re a tech enthusiast, outdoor adventurer, or DIY hobbyist, this kit offers unparalleled flexibility—supporting up to 300W total output with modular expansions. Assemble your own power solution with support for 18650 or 21700 batteries and enjoy fast charging, solar compatibility, and UPS functionality.

Key Features

• 🔋 100W/300W High-Power Output: Base version supports 100W bidirectional PD fast charging. Expand with modules for up to 300W total output across multiple Type-C ports

• 📊 Real-Time Power Monitoring: Digital display shows voltage, current, and power statistics for all connected devices

• ⚡ Advanced Coulomb Meter: IP5389 built-in coulomb meter accurately tracks power consumption and remaining capacity

• 🔌 Modular Expansion Slots: Add 60W/120W PD modules for bidirectional charging and multi-device support

• 🔋 Tool-Free Battery Installation: No soldering required. High-conductivity gold-plated battery holders support 4-8 cell configurations

• ☀️ Multi-Protocol Support: Compatible with various fast charging protocols including PD, QC, and others

• 🔒 Battery Protection System: BM3451 controller provides charge/discharge protection and passive cell balancing

• 💡 Premium Components: 17×17mm high-efficiency inductor for better heat dissipation and conversion efficiency

Technical Specifications

Capacity Configuration Table

*Note: Default factory setting is 9000-9500mAh. Resistor size: 0603*

SKU Details

18650 Series:

• IP5389-18650-100W-KIT (DIY kit without batteries)

• IP5389-18650-100W-ASSEMBLED (Pre-assembled with batteries)

• IP5389-18650-100W+60W-ASSEMBLED

• IP5389-18650-100W+120W+120W-KIT

21700 Series:

• IP5389-21700-100W-KIT (DIY kit without batteries)

• IP5389-21700-100W-ASSEMBLED (Pre-assembled with batteries)

• IP5389-21700-100W+120W-ASSEMBLED

• IP5389-21700-100W+120W+120W-KIT

What’s in the Box?

• IP5389 Main Board with display

• Battery holder (18650 or 21700 version)

• All necessary screws and mounting hardware

• User manual

Note: Batteries and expansion modules sold separately unless specified

Assembly & Usage Instructions

1. Battery Installation:

   • Use only 4.2V Li-ion NMC batteries (18650/21700)

   • Install batteries according to polarity markings on the board

   • All batteries must be same model, capacity, and initial voltage

   • Fill all slots for optimal performance

2. Capacity Configuration:

   • Replace R6 resistor according to your battery capacity

   • Refer to capacity configuration table above

3. Power On & Operation:

   • Connect Type-C charger or device to activate display

   • Monitor real-time power statistics

Important Safety Notes

• Battery Requirements:

  • Must use high-drain power cells (continuous discharge ≥3-4A)

  • NMC chemistry only – no LiFePO4 or polymer pouch cells

  • All batteries must be identical in model, capacity, and internal resistance

• Connection Guidelines:

  • Do not connect two bidirectional C ports directly

  • C ports should only connect to single-direction devices (phones, chargers)

  • Reverse polarity will permanently damage the unit

• Warranty Information:

  • DIY kits are non-returnable and non-refundable

  • Damage from incorrect assembly is not covered

  • Test functionality before final assembly

Why Choose This Power Bank Kit?

Perfect for:

• Tech enthusiasts wanting customizable high-power charging solutions

• Outdoor adventurers needing reliable portable power

• DIY hobbyists looking for advanced modular power projects

• Professionals seeking UPS backup for critical devices

Key Advantages:

• Modular design allows for future upgrades

• Professional-grade components ensure reliability

• Real-time monitoring provides complete power usage insight

• Tool-free assembly makes customization accessible to everyone

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Ready to Build Your Ultimate Power Solution? Select Your Configuration and Experience True Charging Freedom Today!