18650 Battery DIY Power Bank Case 5V Dual USB Type-C

Here's a breakdown of the two power bank options, followed by a combined "Why You Must Buy It" section highlighting their key benefits:

Option 1: 4x18650-25W (Supports Super Fast Charge)

• Model: Super fast charge KA4
• Battery: Requires 4x 18650 flat-head batteries (not included)
• Estimated Capacity: 15000mAh (with compatible 18650s)
• Super Fast Charge Output:
  • 5V4.5A / 4.5V5A / 9V2.5A
  • Output power up to 22.5W
  • Supports PPS/PD3.0/PD2.0, QC4+/QC4/QC3.0/QC2.0, AFC/FCP/SCP/SFCP, PE2.0/PE1.1, low voltage direct charge
• Fast Charge Input:
  • Supports PD3.0/PD2.0, AFC/FCP/SCP, PE1.1, ACCV
• Efficiency: Up to 96% (current), up to 95% (output power)
• Battery Type Support: 4.2V/4.35V/4.4V/4.5V
• Additional Features: JEITA specification, temperature loop control, synchronous boost, automatic/light load detection, wireless charging mode support, low current mode support.
• LED Light: 1
• Power Display: Digital display
• Material: Plastic and leather

Option 2: 4x18650-Black (Does Not Support Super Fast Charge)

• Type: 18650 Battery Charger Box
• Battery: Requires 4x 18650 flat-head batteries (not included)
• Input: DC 5V/2A
• Output: DC 5V/2A
• Ports: 2 USB + 1 Micro USB + 1 Type C
• Color Options: Black / White / Blue
• Material: Plastic

Why You Must Buy It (Combined Benefits):

• Customizable Power: Build your own power bank using readily available 18650 batteries.
• Choice of Speed:
  • "25W" version: Offers lightning-fast charging (up to 22.5W) for your devices and itself, supporting a wide array of modern fast-charge protocols.
  • "Black" version: Provides reliable standard 5V/2A charging.
• Multi-Device Charging: Both types feature multiple output ports (USB, Type C) for charging various devices simultaneously.
• Digital Power Display (25W version): Clearly see remaining battery life.
• Durable & Stylish: Both options are made from plastic with the 25W model also featuring leather, offering robust and aesthetically pleasing designs.
• Cost-Effective & Sustainable: Reusable and a more environmentally friendly alternative to single-use power banks.