1-Way 18650 Battery Holder

This user-friendly 18650 Battery Holder with a single slot provides micro-USB input. It can hold a 18650 battery and offers one 5V/2A USB output, three 5V/2A ports, and three 3.3V/1A ports. It features overcharge and over-discharge protection, which significantly extends the life of your 18650 battery. There's a power switch to control the output. This battery holder serves as a great power source for microdevices, outdoor equipment, or DIY smart vehicles. The input is via Micro USB, and the outputs include USB and ports. The power switch determines whether the output is on. The LED indicator shows red when charging and green when fully charged. Note that the maximum current is 3A (3A is not recommended), and the actual output current depends on the 18650 battery's quality. When installing, pay attention to the battery polarity as the + and - are clearly marked on the board, and incorrect installation can damage the module. It comes with overcharge and over-discharge protections and is suitable as a power source for various devices.

Using this 18650 Battery Holder is easy. First, make sure to install the 18650 battery correctly, following the marked + and - signs on the board. Then, connect the Micro USB input for charging. You can use the power switch to control when the outputs are active. When the LED is red, it means the battery is charging, and when it turns green, it's fully charged. As for the outputs, you can connect your microdevices, outdoor equipment, or DIY smart vehicles to the appropriate ports. Just remember, the maximum current is 3A, but it's not recommended to use it at this level. The actual output current depends on the quality of your 18650 battery. To maintain this battery holder, keep it in a dry and clean place. Avoid exposing it to extreme temperatures or physical damage. And always check the battery polarity before installation to prevent burning the module.