2A USB 18650 Lithium Li-ion Battery Charger Module Boost 3.7V to 5V 9V 12V charging boost converter step-up all in one
The OUT+ Port can output an adjustable voltage
For example: VIN + Port input 5V solar panels, BAT + port can output 4.2V to charger 3.7V 18650 battery
Specifications:
Discharging current: Max. 2A
Charging current: Max. 1A
Input voltage: 4.5-8V DC
Output voltage: 4.3-27V DC (adjustable)
Charging voltage: 4.2V DC
Size: 3.3×2.3cm/1.3×0.91″
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