3.7V To 5V 9V Step Up Adjustable Module 2A 18650 Lithium Battery Charging Booster Module
J5019 Battery Charger 18650- 2A Charge Discharge Integrated Module for 3.7V 4.2V Fast Charging Boost module, J5019 Charging Module 18650
Charge, boost and Discharge Integrate Module for 3.7V lithium battery
input DC 4.5-8V, output 4.3-27V adjustable, using it to built a 9v or 12V rechargeable power pack
With a micro usb as dc 5v input interface.
Charging voltage(BAT+)is 4.2V, Charing current is about 1A, with overcharge protection
the output current: 5V 1.4A; 9V 0.8A; 12V 0.6A
Specifications:
Discharging current: Max. 2A
Charging current: Max. 1A
Input voltage: 4.5-8V DC
Output voltage: 4.3-27V DC (Continuously adjustable)
Charging voltage: 4.2V DC
Size: 3.3×2.3cm/1.3×0.91″
Package Included: 8pcs 2A USB Adjustable Boost Module
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