Product Selling Points:

1. Compact Size: Measures just 65mm x 19mm, making it easy to fit into various setups.
2. Automatic USB Identification: Detects and adjusts the current output for efficient charging through 3 USB ports.
3. Stable Performance: Reliable and consistent operation for a dependable power bank experience.
4. User-Friendly: Simple to install and use, ideal for DIY enthusiasts and everyday users.
5. Wide Application: Compatible with all 3.7-4.2V rechargeable lithium batteries, including mobile phone and tablet batteries, as well as 18650 cells.

Parameters:

• Protection Function: Integrated protection circuit prevents over-discharge, over-charge, and overload.
• Size: 65mm x 19mm (measured manually).
• Net Weight: 6g.
• Applicability: Works with 3.7-4.2V rechargeable lithium batteries, such as mobile phone batteries, tablet batteries, and 18650 batteries. Can be used with a single battery or multiple batteries connected in parallel.
• Connection: Positive electrode connects to B+, and negative electrode connects to B-.
• Warning: Avoid reverse connection to prevent damage to the USB outputs. Automatically identifies and outputs 5V1A or 2A, supporting simultaneous charging of up to three devices.

Package Includes:

• 1 x 3-USB Power Bank Motherboard DIY Booster Board with LED Light

This kit is perfect for creating a custom power bank with automatic current adjustment and robust protection features. Ideal for DIY projects and versatile battery applications.