MICRO USB 5V 2A 18650 LITHIUM BATTERY CHARGER MODULE WITH PROTECTION

Description :

The micro USB 5V 1A 18650 lithium battery charger module with protection is a small electronic device designed to charge a single 18650 lithium-ion battery using a USB port. The module features a built-in charging circuit, protection circuit, and a micro USB connector for power input.

The charging circuit is responsible for regulating the charging current and voltage to ensure that the battery is charged safely and efficiently. The module typically supports a charging current of up to 1A, which can be adjusted by changing the resistance of a charging current limiting resistor.

The protection circuit is designed to protect the battery from overcharging, over-discharging, and short circuits. It features a variety of safety features such as overvoltage protection, overcurrent protection, and thermal protection. The module also typically includes a battery protection board to monitor and protect the battery.

The micro USB connector allows the module to be powered from a USB port, such as a USB wall adapter, USB power bank, or USB port on a computer. The module may also include a charging indicator LED to show the charging status of the battery.

Overall, the micro USB 5V 1A 18650 lithium battery charger module with protection is a convenient and reliable way to charge a single 18650 lithium-ion battery. It is small in size and easy to use, making it a popular choice for portable electronic devices and DIY projects.

Specification :

• Input voltage: 5V DC (via micro USB connector)
• Output voltage: 4.2V DC (for charging 18650 lithium-ion battery)
• Output current: Up to 1A (adjustable with charging current limiting resistor)
• Charging efficiency: Up to 85%
• Charging method: Constant current and constant voltage
• Charging indicator: Typically a red LED (lights up during charging, turns off when charging is complete)
• Protection features: Overvoltage protection, overcurrent protection, thermal protection, short circuit protection, battery protection board
• Dimensions: Approximately 2.6cm x 1.7cm x 0.8cm (L x W x H).