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DIY Power Bank Case Kit for 18650/21700 Batteries
Price range: $3.62 through $3.63
Pay now, in 4 interest-free payments of $0.91, or over 3–6 months
4 interest-free payments of $0.91
DIY power bank case designed for 18650 or 21700 batteries. Features easy Type C installation, aluminum alloy shell, and fast 5V2A charging.
- Supports 1 single cell battery
- Durable aluminum alloy enclosure
- Built-in safety protections
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Estimated Delivery Time3–7 business days
Simple DIY Assembly with Type C Interface
This power bank case kit features a Type C interface that requires no welding, making assembly quick and hassle-free for DIY enthusiasts.
You can easily install your battery without soldering, reducing setup time and complexity.
Flexible Battery Compatibility
Compatible with single flat head 18650 or 21700 cylindrical batteries (battery not included).
This flexible design adapts to popular battery types, making it convenient for various power needs.
Efficient Fast Charging Output
Delivers 5V/2A charging current, providing fast and efficient power output to your devices.
This 10W output saves charging time while maintaining stable performance.
Durable Aluminum Alloy Construction
The sturdy aluminum alloy shell ensures durability and excellent heat dissipation during use.
Besides functional benefits, the case offers a stylish and sleek appearance available in multiple colors.
Built-In Safety Protections
Includes integrated overcharge, overdischarge, and short circuit protection circuits to ensure reliable and safe operation.
These protections help extend battery life and prevent potential damage during charging.
Key Specifications
- Compatible batteries: Single flat head 18650 or 21700 cell (not included)
- Output: 5V/2A (10W)
- Material: Aluminum alloy
- Colors: Black, Silver, Gold, Red
Package Contents
- 1 x Welding-free DIY power bank battery box (color optional)
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