2S Li-ion 18650 Lithium Battery Charger Protection Board 7.4V 3A Specification Maximum sustained discharge current: 3A Size:6 x 36 mm

Specification Model: Digital Thermometer Voltage: DC 5-12V Current: 18mA Display Color: Red Measuring range: -50 ~ 110 °c Working environment:

Model Name: DC-DC step-down module Input Voltage: 4.5V ~ 24V Output adjust voltage: 0.8V~17V Output fixed voltage: 1.8v 2.5v 3.3v