4 Cells 18650 DIY Power Bank Case with Digital Display

This 4-cells 18650 power bank case lets you build a portable charger by installing your own 18650 flat-top batteries (not included). The detachable design ensures easy battery replacement and maintenance. A built-in LCD digital display shows real-time remaining capacity for effective monitoring.

Made from premium wear-resistant materials, this lightweight and mini power bank case provides a convenient solution for on-the-go charging needs. Compatible with 99% USB devices including smartphones, tablets, and computers.

Choose your preferred charging features with several available versions: Normal (5V/2.1A), Wireless Charge (5V/2.1A with 5W wireless output), Quick Charge (5V/3A, 9V/2A, 12V/1.5A), or Quick Charge + Wireless Charge supporting up to 15W wireless output.

Plug and play design supports fast charging delivering up to 22.5W output power. Wireless charging convenience lets you charge compatible devices without cables, enhancing user experience and portability.

Built-in protections safeguard your devices and batteries from operational hazards. These include temperature protection, short circuit protection, reset protection, over current and voltage protection, plus battery overshoot prevention.

These safety features ensure reliable and secure power delivery during all charging conditions, offering peace of mind when using your DIY power bank for daily or travel use.

• Accepts 4 x 18650 flat-top lithium batteries (batteries not included)
• LCD digital display for battery capacity monitoring
• Charging Output (varies by version): Normal 5V/2.1A; Wireless 5W; Quick Charge up to 12V/1.5A; Wireless Charging up to 15W
• Compatible with most USB-powered devices
• Lightweight and compact design for portability

Includes 1x 4 cells 18650 power bank case (batteries not included).