16-Slot 18650 Battery Holder Power Bank Case

Create your own custom portable power solution with the 16-Slot 18650 Battery Holder Power Bank Case. Designed for DIY enthusiasts and tech users, this durable case supports up to 16 rechargeable 18650 batteries — turning them into a high-capacity power bank for phones, tablets, and USB devices.

Key Features

• DIY Power Bank Design — Assemble your own rechargeable power bank by installing 18650 lithium batteries for extended portable energy.

• High-Capacity Support — Holds 16 batteries, allowing large power storage suitable for camping, travel, and emergency backup.

• Durable Construction — Built from premium ABS plastic for heat resistance, impact protection, and safe long-term use.

• Multiple Output Ports — Compatible with USB-powered devices such as smartphones, flashlights, and cameras.

• LED Power Display — Integrated indicators show charging and power status at a glance.

Why Choose Our Power Bank Case

This DIY battery storage box gives you full control over your charging capacity and battery maintenance. Whether you’re assembling a backup for travel or upgrading your workshop toolkit, this portable case offers flexibility, reliability, and simplicity for power users.

Perfect For

• DIY electronics projects
• Emergency power backup systems
• Travel, hiking, and outdoor charging setups
• Powering USB tools or gadgets

Product Details

Type: 16-slot 18650 battery holder
Material: Durable ABS plastic
Battery Type: 18650 lithium (not included)
Charging Input: 5V / 2A (varies by version)
Output: Dual USB 5V
Color: Black
Features: LED indicator, overcharge protection, lightweight portable design
Dimensions: Approx. 6.3 × 3.1 × 1.2 inches (16 × 8 × 3 cm)
Package Includes:

• 1 × 16-Slot Battery Holder Case

• 1 × USB Charging Cable

• 1 × Instruction Sheet