Origin	China
Model Number	RF608,RF638,RF668
Certification	CE
Type	Polymer
Usage	Laptop

• Product Name: RF638  
• Product ID: 9184-111
• Dimension: mm
• Color: Null

1 Input Charge Voltage

Input Voltage VDC	Input Current (mA)	Charge Time(h)
18VDC-19VDC	0-2000mA	5.5h MAX

2 Discharge Output Voltage

Nominal Output volt	Output voltage range(V)	Continuous output current(A)	Peak output Current(A)	MAX Output power(W)	Efficiency(%) TYP.
16V	15.5V??16.5V	3A	4A	64W	90??
19V	18.5V---19.5V	2.5A	3.5A	66.5W	90??
22V	21.5V-22.5V	2.2A	3A	66W	90??
24V	23.5V-24.5V	2A	2.5A	60W	90??
5VUSB	4.70V-5.30V	1A	1A	5W	88??

*Voltage test point is DC output terminal

3 Discharge last time

Output voltage(V)	Output current(A)	Discharge time(MIN)
16V	3A	80min
19V	2.5A	80min
22V	2.2A	80min
24V	2A	80min

4 Protection Function:
A Output Short Protection:Revive output after move short malfunction
B Over Charge Protection:Stop charge current if charge voltage higher than 16.8V-17.2V
C Over Discharge Protection:Stop Voltage output if Cell Voltage lower than 12.3V-12.8V
D High Temperature Protection:Stop Voltage output if Temp. over 90^oC