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Compact DIY Power Bank Case for 18650 Batteries
Compact DIY Power Bank Case for 18650 Batteries
Compact DIY Power Bank Case for 18650 Batteries
Compact DIY Power Bank Case for 18650 Batteries
Compact DIY Power Bank Case for 18650 Batteries
Compact DIY Power Bank Case for 18650 Batteries
Compact DIY Power Bank Case for 18650 Batteries
Compact DIY Power Bank Case for 18650 Batteries
Compact DIY Power Bank Case for 18650 Batteries
Compact DIY Power Bank Case for 18650 Batteries
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Compact DIY Power Bank Case for 18650 Batteries

Precio habitual $18.99 Precio de oferta $15.99 – $16.99

Por qué les encanta a los clientes

Build your own pocket-sized power bank in minutes

This compact DIY power bank case lets you create a custom portable charger using your own 18650, 21700, or 21650 rechargeable battery. No soldering or tools needed—just insert the battery, close the shell, and you're ready to charge on the go.

  • Tool-free assembly: simply insert the battery and close the shell
  • USB Type-C output for fast, convenient charging of your devices
  • Pocket-sized design, similar to a lipstick, with a strap and built-in cable for easy carrying
  • Charge and use your device simultaneously
  • Works with most smartphones and USB-powered devices
  • Durable ABS construction protects the battery and internal circuitry
Compact DIY Power Bank Case for 18650 Batteries

Why you'll love it

Tool-free assembly

Simply insert the battery and close the shell. No soldering or tools required.

Fast USB Type-C charging

USB Type-C output provides fast, convenient charging for your devices.

Pocket-sized portability

Designed like a lipstick with a strap and built-in cable, it's easy to carry anywhere.

Charge while you use

Charge and use your device simultaneously, keeping you powered without downtime.

Setup

Getting started

No electrician, no wiring, no fuss.

  1. Insert the battery

    Open the shell and insert a compatible 18650, 21700, or 21650 rechargeable battery (not included).

  2. Close the shell

    Snap the case shut—no tools or soldering needed.

  3. Charge your devices

    Connect your smartphone or USB-powered device via the built-in USB Type-C cable and start charging.

Specs

The details that matter

Built to last outdoors, season after season.

Battery type
18650, 21700, 21650
Output
USB Type-C
Material
ABS
Number of slots
1
Color options
Pink, Green, Black, White

Comparison

Why choose this DIY power bank case

Not all products in this category are built the same.

Feature
SmartPicksWorld
Typical alternative
Assembly
Tool-free—insert battery and close shell
Often requires soldering or tools
Charging output
USB Type-C for fast, convenient charging
May use older USB-A with slower speeds
Portability
Pocket-sized, lipstick-like design with strap and built-in cable
Bulky and less convenient to carry
Simultaneous use
Charge and use your device at the same time
May require waiting for charging to finish

Nuestra promesa de compra sin preocupaciones

Si tu pedido llega dañado, defectuoso o distinto a lo descrito, contáctanos en un plazo de 14 días y lo solucionaremos con un reemplazo o un reembolso.

Frequently asked questions

Everything you might want to know before you order.

Which batteries are compatible with this power bank case?

This case is compatible with 18650, 21700, and 21650 rechargeable batteries. Please note that the battery is not included.

Do I need any tools to assemble the power bank?

No tools are required. Simply insert the battery and close the shell—assembly is completely tool-free.

What type of output does this power bank case provide?

It features a USB Type-C output for fast, convenient charging of your devices.

Can I use my device while it's charging?

Yes, you can charge and use your device simultaneously with this power bank case.

What material is the case made of?

The case is made of durable ABS construction, which protects the battery and internal circuitry.

Which devices can I charge with this power bank?

It works with most smartphones and USB-powered devices, making it versatile for travel, outdoor adventures, home, or school.

Envíos y devoluciones

Envío

  • Envío a Estados Unidos (según el país/región seleccionado).
  • Entrega estimada: 3–15 días hábiles después del envío.
  • Coste de envío: Gratis.

Devoluciones

Puedes solicitar una devolución dentro de 14 días después de la entrega. Las devoluciones estándar tienen una tarifa plana de envío de 4,00 € EUR (aproximadamente 4,66 $ USD), descontada del reembolso. El envío de devolución es gratuito si el artículo llegó dañado, defectuoso o incorrecto. Los artículos deben estar sin usar y en su embalaje original cuando sea posible. Contáctanos antes de enviar nada.