24x18650 Detachable Battery Box with LCD Display & USB Out

Power your USB devices on the go with this versatile 24-slot 18650 Detachable Battery Storage Box. Built from durable plastic with a sleek black or white finish, this DIY-friendly power bank case features an LCD digital display so you can monitor battery capacity at a glance — ideal for outdoor adventures, travel, and extended off-grid use.

Made in Mainland China.

Key Features

• Holds 24x 18650 flat-top batteries (batteries not included — must be purchased separately)
• LCD digital display for easy battery capacity monitoring
• Multiple protection functions: temperature protection, short-circuit protection, reverse-connection protection, over-current protection, over-voltage protection, and battery overshoot protection
• Compatible with USB-powered devices including smartphones, tablets, and computers
• DIY design — easy and convenient to assemble and use
• Lightweight, wear-resistant plastic construction
• Available in Black and White; multiple output/input variants available

Output / Input Specifications by Variant

• D24 Case: Output: 5V 2A / Input: 5V 2A
• D24 PD Case: Output: 5V 3A, 9V 2.22A, 12V 1.67A, 4.5V 5A, 5V 4.5A / Input: 5V 3A, 9V 2A, 12V 1.5A
• D24 PD 2 Case: Output: 5V 3A, 9V 2.22A, 12V 1.67A, 4.5V 5A, 5V 4.5A / Input: 5V 3A, 9V 2A, 12V 1.5A
• D24 PD 2 also supports wireless charging: 5W, 7.5W, 10W, 15W

Specifications

• Material: Plastic
• Battery Slots: 24 x 18650 (flat-top positive electrode only)
• Colors: Black, White
• Model: 02DD8NB900138

Package Includes

• 1 x Battery Storage Case (batteries and other accessories NOT included)

Important: Only compatible with 18650 batteries with a flat-top positive electrode. Please observe correct polarity when inserting batteries. Please allow 1–2 cm measurement variance due to manual measurement methods. Actual color may vary slightly from product images due to monitor differences.

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: Are 18650 batteries included with the 24-slot battery storage box?

A: No, batteries are not included in the package. You will need to purchase 24 x 18650 flat-top batteries separately. Make sure to use only flat-top positive electrode 18650 batteries and insert them in the correct polarity direction.

Q: What devices can I charge with this 18650 battery box?

A: This battery storage case is compatible with a wide range of USB-powered devices, including smartphones, tablets, and computers. The PD and PD 2 variants also support wireless charging at up to 15W for compatible devices.

Q: What safety protections does this battery case include?

A: The case is equipped with multiple built-in protection functions including temperature protection, short-circuit protection, reverse-connection protection, over-current protection, over-voltage protection, and battery overshoot protection — making it a safe and reliable power storage solution.

Q: Can I use this battery box outdoors or while traveling?

A: Absolutely. The detachable DIY design, durable plastic construction, and LCD capacity display make this battery box an excellent companion for outdoor travel, camping, and off-grid use.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.