DIY 2-Cell 18650 Power Bank Case 5V 1A Portable USB Battery Charger Box

Turn spare 18650 batteries into convenient backup power wherever you need it. This 18650 power bank case features a removable 2-cell design that makes battery installation and replacement simple without soldering. The DIY power bank case provides up to 1A USB output for compatible smartphones and other 5V devices. Its compact plastic housing and built-in LED light make it practical for travel, everyday carry, emergencies, and DIY electronics projects. Batteries are not included. Joom

Key Features

• Holds up to 2 replaceable 18650 batteries
• Welding-free design for easy battery installation and replacement
• portable USB charger with up to 1A output
• Built-in LED light for added everyday convenience
• Protective circuitry supports charging, discharge, overload, and short-circuit protection
• Compact 96 x 45 x 22 mm housing for easy carrying Joom

Why Choose Our DIY 2-Cell 18650 Power Bank Case?

Unlike sealed power banks with permanently installed cells, this 18650 battery box lets you install and replace compatible batteries as needed. Its solder-free construction makes it a convenient option for DIY users who want a simple, reusable portable charging solution. Joom

Perfect For

Ideal for DIY electronics projects, travel kits, emergency backup charging, everyday carry, and powering compatible 5V USB devices.

Product Specs

Material: Plastic
Battery Type: 2 x 18650 batteries
Input: 5V, up to 1A
Output: Approx. 5.5V ±0.2V, up to 1A
Size: 96 x 45 x 22 mm
LED Light: Yes
Battery Included: No Joom

Build Your Portable Power Solution

Put compatible 18650 batteries to practical use with a compact, replaceable-cell charging case designed for convenient power on the go.