6x18650 Battery Case with LCD Display & USB Charging Shell

6×18650 Battery Storage Case with LCD Display & USB Charging Shell

Keep your devices powered on the go with this compact, portable 6×18650 Battery Case. Featuring a built-in LCD digital display, you can monitor real-time battery capacity at a glance. With USB output support for smartphones, tablets, computers, and more, this lightweight DIY power bank shell is the perfect travel companion for outdoor adventures and everyday use.

Made in China Mainland.

Key Features

• LCD Digital Display — Monitor real-time remaining battery capacity instantly
• Holds 6×18650 Batteries — Flat-top positive electrode type required (batteries not included)
• Fast USB Charging — Output: USB 5V 1A/2A; compatible with 99% of USB-powered devices
• Multi-Layer Protection — Temperature protection, short circuit protection, reset protection, anti-reverse connection, over-current protection, and battery overcharge protection
• Mini Portable Design — Compact 137×78×23mm shell, lightweight and easy to carry
• Premium Plastic Construction — Wear-resistant, durable material for long-lasting use
• DIY Friendly — Easy to assemble and convenient to use anywhere

Specifications

Important Notes

• 18650 batteries are NOT included — please purchase separately.
• Only compatible with 18650 batteries with a flat-top positive electrode.
• Always observe correct polarity (positive/negative orientation) when installing batteries.
• Do not close the cover until testing is complete — the cover cannot be reopened once sealed.
• Please allow 0–1 cm measurement tolerance. Colors may vary slightly due to monitor differences.

Package Includes

• 1 × 6×18650 Battery Charging Case Shell (Case only; batteries and other accessories not included)

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What is the 6×18650 Battery Case with LCD Display used for?

A: This battery case shell allows you to build a portable USB power bank using six 18650 lithium batteries (not included). The built-in LCD display shows real-time charge capacity, making it easy to track power levels. It charges USB devices such as smartphones, tablets, and computers via its 5V USB output.

Q: Are the 18650 batteries included with this case?

A: No — the 18650 batteries are not included and must be purchased separately. You will need 6 × 18650 batteries with a flat-top positive electrode to use this case. Please also pay careful attention to the correct polarity direction when inserting the batteries.

Q: What protection features does this charging shell have?

A: This case is equipped with comprehensive safety features including temperature protection, short circuit protection, reset protection, anti-reverse connection protection, over-current protection, and battery overcharge protection — giving you added confidence during charging.

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

A: The USB output (5V 1A/2A) is compatible with approximately 99% of USB-powered devices, including smartphones, tablets, and computers. Simply connect any standard USB cable to begin charging.

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.