3x18650 Battery Case Power Bank With Dual USB Output Night Light DIY Transparent Shell For iPhone Xiaomi
Out of stock
Product Overview
This versatile 3x18650 battery case offers a practical solution for creating custom power banks, featuring dual USB output ports for broad device compatibility and transparent casing that showcases the internal components with a modern aesthetic. It includes an integrated warm LED night light, adding functionality beyond simple charging.
Specifications
- Brand Name: XMSJ enhances your DIY electronics projects.
- Model Identification: Designed as 3*18650 Power Bank Cases Battery Storage Boxes for modular power solutions.
- Material Composition: Constructed with a transparent shell that emphasizes a high-tech appearance.
- Output Ports: Equipped with dual USB outputs to charge multiple devices simultaneously.
- Input Ports: Features Mini and Type-C dual input options for versatile charging of the power bank itself.
- Integrated Lighting: Includes a warm LED night light for added convenience in low-light conditions.
- Battery Compatibility: Specifically designed to house three 18650 rechargeable batteries (batteries not included).
- Origin of Manufacture: Proudly made in Mainland China, a hub for electronic component production.
Features
- DIY Power Bank Creation: Empowers users to build their own high-capacity portable chargers tailored to their specific needs.
- Transparent Casing Technology: The see-through shell provides a futuristic look and allows for visual inspection of the battery setup.
- Dual USB Charging Output: Efficiently powers smartphones, tablets, and other USB-compatible gadgets with its dual ports.
- Flexible Input Options: Supports both Mini and Type-C inputs, offering convenience in recharging the power bank unit.
- Built-in LED Night Light: Offers a soft, warm illumination, perfect for bedside use or finding items in the dark without needing a separate light source.
- Modular Battery Design: Utilizes the common 18650 battery form factor, allowing for customization of total capacity by selecting desired battery cells.
Measurements
- Battery Compartment Capacity: Accommodates three 18650 batteries. (No specific dimensions provided for the case itself, but standard 18650 batteries measure approximately 18.6 mm diameter and 65.2 mm length).
- USB Output Voltage: Standard 5V output, common for most USB-powered devices. (No specific amperage stated for output).
- Input Voltage: Compatible with standard USB charging voltages (likely 5V).
- LED Light Output: Provides warm ambient light. (No specific lumen or color temperature provided).
- Case Dimensions: (Actual dimensions are not specified in the provided product information. For context, similar 3-battery power bank cases typically range from 75-90 mm in length, 20-25 mm in width per battery slot, and 60-70 mm in height, with a total thickness accommodating three cells plus electronics).
Packing List
- 1x 3*18650 Power Bank Case Shell (Note: Batteries are not included and must be purchased separately).
- 1x Integrated LED Night Light component.
- Internal electronic circuitry for charging and discharging management.
Notes
- This product is a DIY shell and does not include the 18650 batteries required for operation; these must be sourced independently.
- The transparent design offers an engaging visual appeal, allowing users to see the internal battery configuration.
- Ensure correct polarity (+/-) when installing 18650 batteries to prevent damage to the unit or batteries.
- Refer to the specifications of your chosen 18650 batteries for accurate capacity and discharge rate information, which will determine the overall performance of your custom power bank.
Product Tags
- Power Bank Shell
- DIY Charger Case
- 18650 Battery Holder
- Portable Charger DIY
- USB Charging Box
- Transparent Battery Case
- Night Light Charger
- External Battery Shell
- Mobile Power DIY
- XMSJ Power Bank
Product Type
- Battery Storage Box
- Power Bank Case
- DIY Electronics Kit
Disclaimer
- Design Specifics: The visible gap is a deliberate functional feature of engineering and does not indicate a defect or damage.
- Visual Variations: Actual product colors may vary slightly from online images due to differences in lighting conditions and monitor display settings.
- Measurement Tolerance: Please allow for minor dimensional deviations resulting from manual measurement and manufacturing processes.
- Policy Information: Consult our FAQ, Privacy Policy, and Terms & Conditions for comprehensive details regarding returns and exchanges.
Images

Place an order of $75 or more today, and we’ll send you a 10% discount code as a thank-you for your next purchase.
Couldn't load pickup availability
How long will it take to receive my order?
How long will it take to receive my order?
Most U.S. orders are estimated to arrive within 7–12 business days after processing. Orders to other eligible countries are also usually estimated at around 7–12 business days, depending on the product, carrier, and destination. However, delivery is not guaranteed, and some orders may take up to 7–25 business days because of carrier delays, customs, supplier processing, weather, or other shipping conditions.
What if my item arrives damaged, defective, or incorrect?
What if my item arrives damaged, defective, or incorrect?
Contact us within 7 calendar days of delivery. Please include your order number, checkout email, clear photos or video proof, and a short explanation of the issue. If approved, we may provide a replacement, refund, store credit, partial refund, or another suitable resolution.
Where can I find the full policy details?
Where can I find the full policy details?
For complete details about returns, refunds, shipping, delivery, privacy, terms and conditions, legal notices, and customer support, please review our policies under the Legal & Support section in the footer.
These policies explain important information about order processing, delivery timeframes, return eligibility, refund rules, customer responsibilities, and how to contact our support team for help.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
10% OFF NEXT ORDER
Place an order of $75 or more today, and we’ll send you a 10% discount code as a thank-you for your next purchase.
