MIG & MIK STYLE™ DIY 18650 Power Bank Case
Build your own portable power bank with the MIG & MIK STYLE™ DIY 18650 Power Bank Case. Designed for users who already own compatible 18650 rechargeable batteries, this portable enclosure transforms your batteries into a convenient USB power bank for charging smartphones, tablets, and other USB-powered devices.
Featuring a dual USB output, LCD battery display, built-in LED flashlight, and intelligent charging management, this DIY power bank case is ideal for electronics enthusiasts, emergency backup kits, travel, and outdoor adventures.
Note: This product is a power bank case only and does not include 18650 batteries.
Features
- DIY portable power bank enclosure
- Supports up to 8 × 18650 flat-top rechargeable batteries
- Dual USB charging outputs
- Intelligent charging and protection system
- LCD digital battery level display
- Built-in dual LED flashlight
- Compact and detachable battery design
- Easy battery installation and replacement
- Portable and lightweight
- Ideal for travel, camping, and emergency backup
Specifications
- Product Type: DIY Power Bank Battery Case
- Battery Compatibility: Flat-top 18650 rechargeable lithium-ion batteries only
- Battery Capacity: Supports up to 8 batteries (not included)
- Output: Dual USB
- Maximum Output: 5V / 2.1A
- Display: LCD Digital Battery Indicator
- Flashlight: Dual LED
- Dimensions: 172 × 80 × 23 mm
Compatible Devices
Charge most USB-powered electronics, including:
- Smartphones
- Tablets
- Bluetooth earphones
- Smartwatches
- Portable speakers
- USB flashlights
- Cameras
- USB accessories
What's Included
- 1 × DIY 18650 Power Bank Case
- User-ready battery compartment
Batteries are NOT included.
Battery Requirements
Compatible with:
- Flat-top rechargeable 18650 lithium-ion batteries
- Operating voltage: 3.2V–4.2V
Not compatible with:
- Button-top (pointed) 18650 batteries
- Damaged or torn battery wraps
- Flashlight-specific protected cells if they do not physically fit the case
How to Use
- Insert compatible flat-top 18650 batteries, observing the correct polarity (+/-).
- Close the battery cover securely.
- Connect your device using a USB charging cable.
- Monitor battery status on the LCD display.
- Double-press the power button to activate the LED flashlight (if supported by the model).
Safety Tips
- Use only high-quality, genuine 18650 rechargeable batteries.
- Never use batteries with torn or damaged wraps.
- Install batteries with the correct polarity.
- Do not mix old and new batteries or batteries with different capacities or brands.
- Do not expose the power bank to excessive heat, fire, or moisture.
- Remove batteries if the unit will not be used for an extended period.
Perfect For
- DIY electronics enthusiasts
- Emergency power backup
- Camping and hiking
- Travel
- Home emergency kits
- Outdoor work
- Portable charging on the go
Why You'll Love It
The DIY 18650 Power Bank Case offers a practical and customizable way to create your own portable charger using compatible rechargeable batteries. With an LCD battery display, dual USB outputs, and built-in LED flashlight, it's a versatile solution for everyday charging and emergency preparedness.
Important Disclaimer
This product is an empty power bank enclosure and does not include any batteries. Performance and total capacity depend entirely on the number, quality, and capacity of the 18650 batteries installed.
MIG & MIK STYLE™ — Build Your Power. Charge with Confidence.