J5019 3.7V 9V 5V 2A Adjustable Step Up 18650 Lithium Battery Charging Discharge Boost Converter

This is a mini J5019 also called HW 357  Li Ion Charger with 4.5 To 24 Volts Boost Module having DC To DC Step Up Boost Converter Module which allow you to get 5v 9v or 12v.

Specification of J5019 3.7V 9V 5V 2A Adjustable Step Up 18650 Lithium Battery Charging Discharge Boost Converter:

1. Input voltage: 4.5-8V DC
2. Output voltage: 4.3-27V DC (Continuously adjustable)
3. Charging voltage: 4.2V DC
4. Charging current: Max. 1A
5. Discharging current: Max. 2A
6. Size: 3.3×2.3cm/1.3×0.91″
7. 100% Brand New and High Quality
8. Can be used for multimeter, converted to lithium battery charging
9. For example, VIN+Port input 5V solar panels, BAT+port can output 4.2V to charger 3.7V 18650 battery
10. Note: The OUT+Port can output an adjustable voltage.

Package Include:

• 1 x J5019 3.7V 9V 5V 2A Adjustable Step Up 18650 Lithium Battery Charging Discharge Boost Converter