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DIY 8 Cell 18650 Battery Power Bank Case Dual USB Charging

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DIY 8 Cell 18650 Battery Power Bank Case Dual USB Charging

Name: DIY 8 Cell 18650 Battery Power Bank Case Dual USB Charging
Brand: ourlum.com
SKU: 1005004658469434-Black
Price: 27.99 USD
Availability: InStock
Rating: 0 (0 reviews)

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#1005004658469434-Black

Color Black

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Estimated between Feb 25, 2026 and Feb 27, 2026

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DIY 8 Cell 18650 Battery Power Bank Case Dual USB Charging

$27.99

Black

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DIY 8 Cell 18650 Battery Power Bank Case Dual USB Charging

DIY 8 Cell 18650 Battery Power Bank Case Dual USB Charging offers portable energy on the go with eight-cell expandable capacity, dual USB ports, and a detachable shell for easy maintenance. It provides 5V-2.1A fast charging, an LCD status display, and safety features to ensure flat 18650 cells only, ideal for travel.

What makes the DIY 8 Cell 18650 Battery Power Bank Case Dual USB Charging ideal for on-the-go charging?
The eight-cell expandable capacity lets you tailor energy for longer trips, and the compact 172x80x23mm footprint slips into bags or pockets. Dual USB ports enable charging two devices at once, while the LCD readout keeps you informed about remaining power. The DIY 8 Cell 18650 Battery Power Bank Case Dual USB Charging is designed for reliability in travel.
How does the dual USB charging work in the DIY 8 Cell 18650 Battery Power Bank Case?
Two USB outputs share power and work with smart input control to maximize efficiency. At 5V-2.1A total, you can fast-charge an iPhone and a Xiaomi device simultaneously. This setup is ideal for multitaskers who need both phones ready during commutes, flights, or hikes.
Are batteries included with the DIY 8 Cell power bank case?
Batteries are not included; you insert up to 8 flat 18650 cells. Correct placement of positive and negative poles is essential to maximize performance and safety. This hands-on approach lets you customize capacity and chemistry to your own needs.
Is the detachable design of the DIY 8 Cell 18650 Battery Power Bank Case easy to maintain?
Yes, the detachable battery shell makes maintenance simple. You can swap cells without disassembling the whole case, clean the interior, and replace worn components quickly. This design keeps downtime low and power ready on demand, aligning with the needs of busy users who rely on consistent charging.
What safety features does the DIY 8 Cell 18650 Battery Power Bank Case offer?
Safety features focus on proper battery type recognition and polarity. The case accepts flat 18650 batteries only, preventing misplacement that could cause short or damage. Avoid exposing the unit to high temperatures, and follow replacement guidelines to preserve performance and safety during daily use.
Who is this DIY power bank case best for?
This DIY power bank case is ideal for tech enthusiasts, travelers, students, and professionals who rely on devices daily. If you own an iPhone or Xiaomi phone, or carry multiple gadgets, this case gives you dependable on-the-go charging without hunting for adapters.
How will I know the charge status of the DIY 8 Cell 18650 Battery Power Bank Case?
An integrated LCD display shows real-time battery status, so you know when to recharge before your next trip or meeting. With the DIY 8 Cell 18650 Battery Power Bank Case Dual USB Charging, you gain visibility into capacity and health, removing guesswork from travel charging.

DIY 8-Cell 18650 Battery Power Bank Case Dual USB Charging

Transform your charging experience with our DIY 8-Cell 18650 Battery Power Bank Case Dual USB Charging. This portable power bank case is meticulously designed to meet your energy needs while on the go. Whether you own an iPhone or Xiaomi device, this power bank is the perfect solution for uninterrupted power supply.

Key Features

Expandable Power: Accommodates up to 8 x 18650 batteries (batteries not included) for ample energy supply wherever you are.
Fast Charging Capability: Features an advanced dual output intelligent input control system, delivering an impressive 5V-2.1A for quick device charging.
Dual USB Ports: Charge two devices simultaneously with dual USB mobile phone charging ports, perfect for multitasking users.
Detachable Design: The easy-to-maintain detachable battery shell case ensures hassle-free battery upkeep.
LCD Digital Display: Stay updated on your power status with the built-in LCD display providing real-time battery updates.
Durable and Safe: Designed with safety features to accept only flat batteries, preventing damage and maximizing performance.
Compact and Portable: Measuring 172*80*23mm, this lightweight power bank case is perfect for travel and daily use.

Why Choose the DIY 8-Cell Power Bank?

With its portable power bank design and efficient charging, this case is a must-have for tech-savvy individuals who rely on their devices daily. Enjoy the freedom of charging your devices anytime, anywhere.

Important Precautions

For optimal safety, use only undamaged flat 18650 batteries. Ensure correct placement of the positive and negative poles, and avoid exposing the power bank case to high temperatures to maintain battery integrity.

Customer Satisfaction Guaranteed

Your Battery Power Bank will be carefully packed and shipped within 4-5 days after payment confirmation. We are committed to excellence in customer service. If you are not fully satisfied with your purchase, you may return it within 15 days for a full refund, provided it is in original condition.

Don't miss out!

Enhance your charging experience today with our DIY 8-Cell 18650 Battery Power Bank Case Dual USB Charging. Order now and enjoy seamless power on the go!

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