Add hours of notebook runtime and cell phone talk time with this battery pack. The adjustible voltage battery pack comes with 12 interchangeable Hot Tips, which combine to fit more than 90 percent of all laptops, cell phones, PDAs, portable DVD players, and more. As a result, cross-country and around-the-world travel becomes easier and more efficient than ever, as you don't need to bring along an adapter for each gadget on your trip.
RF638 series of LI-ION rechargeable portable battery pack is a high efficient standby power bank with super-thin, lightness, high capacity and etc. Charges by adapter which passes the safety certification in most of countries and complies with AC power in all over the world, the battery pack have a standard USB voltage output terminal and a DC output terminal with four voltage levels converted by means of voltage switch button. There is also an output cable with a set of tips which applies to thousands of laptops available in market; it can also charge PDA, digital camera & camcorder, cell phone etc, very easy to use
Input Charge Voltage
Input Voltage VDC |
Input Current (mA) |
Charge Time(h) |
18VDC-19VDC |
0-2000mA |
5.5h MAX |
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 |
15.5V16.5V |
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
3Discharge 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 |
Protection Function:
- Output Short Protection:Revive output after move short malfunction
- Over Charge Protection:Stop charge current if charge voltage higher than 16.8V-17.2V
- Over Discharge Protection:Stop Voltage output if Cell Voltage lower than 12.3V-12.8V
- High Temperature Protection:Stop Voltage output if Temp. over 90oC
