Detachable 12-Cell 18650 DIY Power Bank Case with Fast Charging

This detachable battery storage box holds twelve 18650 flat-head batteries, perfect for building your own power bank with reliable performance. Designed for DIY enthusiasts, it provides a flexible solution without the need for welding.

Its compact size of 154 × 80 × 46 mm makes it convenient to carry and integrate into custom mobile power supply setups.

Choose from normal, quick charge, or wireless charging versions based on your device needs. The quick charge supports up to 12V-1.5A, delivering efficient power transfer.

Built-in anti-reverse connection protection ensures safe battery installation and operation, preventing damage from incorrect polarity.

• Normal Version Max Power: 5V-2.1A
• Wireless Version Max Power: 5V-1A with 5W wireless charging
• Quick Charge Max Power: 5V-3A, 9V-2A, 12V-1.5A, auto-adjusting to device capability

Only 18650 flat-head batteries with voltage between 3.2V and 4.2V are compatible. Use brand new batteries for optimal reliability.

Incorrect battery type, old or damaged cells may cause malfunctions or failure. Ensure proper positive and negative pole connections during assembly.

• Size: 154×80×46 mm
• Supports twelve 18650 flat-head batteries
• Multiple charging modes: normal, quick, and wireless
• Anti-reverse connection protection

Includes one 12-cell 18650 power bank case with built-in 4-wire harness for easy assembly.

• Note: Batteries are not included