Portable Type C Power Bank Case for 18650/21700 Batteries

This ultra-portable power bank case is designed to fit standard 18650, 21700, and 21650 rechargeable batteries without any soldering required. Sized like a lipstick, it features a plug-and-play setup with a built-in strap and charging cable for effortless carrying.

Ideal for travel, outdoor use, home, or school, this case supports charging and simultaneous device use on multiple phone brands and devices.

Crafted from durable ABS material, the power bank case comes in four attractive colors: white, pink, green, and black. Its compact dimensions (approximately 77 x 36 x 26 mm) allow easy pocket or bag storage without bulk.

To ensure safe operation, insert rechargeable batteries respecting positive and negative polarity; reverse installation may damage the circuit board. After placing the battery, perform an initial function test before regular use.

• Supports 18650, 21700, 21650 rechargeable batteries
• No batteries included; purchase separately

The case supports charging multiple brand mobile phones and devices at the same time, combining convenience and compatibility in a minimalist design.

• Multi-device charging capability
• Type C input for efficient power delivery

• Material: ABS
• Colors: White, Pink, Green, Black
• Size: Approx. 77 x 36 x 26 mm
• Supports battery types: 18650, 21700, 21650
• No batteries included, sold separately

• 1 x Power Bank Case (Strap and charging cable included)