Mạch sạc bảo vệ Pin Li-Ion 18650 3.7V 4.2V 2A

Mạch bảo vệ pin 18650 giúp pin xả, sạc được an toàn và bền bỉ, kết nối nguồn qua cổng usb.

Features:

100% Brand New and High Quality

Can be used for multimeter, converted to lithium battery charging

For example: VIN+Port input 5V solar panels, BAT+port can output 4.2V to charger 3.7V 18650 battery

Note: The OUT+Port can output an adjustable voltage.

Specifications:

- Input voltage: 4.5-8V DC

- Output voltage: 4.3-27V DC (Continuously adjustable)

- Charging voltage: 4.2V DC

- Charging current: Max. 1A

- Discharging current: Max. 2A

- Size: 3.3x2.3cm/1.3x0.91"