Universal Laptop Power Adapter * AC 70W Universal Laptop Charger/Adapter

Universal Laptop Power Adapter Description:

This Laptop AC Adapter is an universal switching-mode power supply for almost brands of laptops, This ADAPTOR operation at input AC 100V to 240V-47-63Hz, Output DC 7 voltages: DC12/15/16/18/19V (3.5A) and 20/24V (2.9A), output power 70 Watt max, with protection functions: Overload protection, over voltage protection, short Circuit Protection, power supply by mains supply. With 8 tips connecter to suit to almost laptops, Select output voltage to suit to laptop and make sure the polarity of tips connect correc before use.

Electric Characteristics:
1. Rated Input Voltage(50-60Hz) AC120V OR AC230V, Vibration Input Voltage Range(47-63Hz) AC100V-240V.
2. Input Rated Current 1.0 AMP, Input Power 100VA.
3. Output power(max) 70WATT, Efficiency >80%(TYP).
4. Output voltage: DC 12V/15V/16V/18V/19V/20V/24V-(0.2+0.8V NO LOAD), DC12V-24V .
5. Output Voltage: DC 12V/15V/16V/18V/19V/20V/24V(-0.9+0.8V @rating load), Output current: 12/15V/4A MAX, 16V/18V/19V/20V 3.5A MAX, 24V @ 2.9A MAX, DC12V-24V 4.0 AMP(max).
6. Overload protection yes.
7 Short Circuit Protection yes.
8. Line Regulation+/ +/-5%.
9. Load Regulation +/-5%.

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How to Charge a Laptop Battery?

You must charge your laptop battery to keep it operational. You charge your laptop battery by plugging the laptop into a wall socket. You can recharge your battery whether the battery is fully drained or not.
Note that lithium-ion batteries have a rapid-charging option. This option is available either on a custom tab inside the Power Options dialog box or through special battery software that came with your laptop. In a pinch, a rapid charge can save time. Otherwise, you want a nice, full, slow charge for your laptop’s battery.

Other battery-charging points are as follows:

1. You can recharge your laptop’s battery whether the battery is fully drained or not. Especially if your laptop is using a lithium-ion battery, it makes no difference.
2. Lithium-ion batteries have a rapid-charging option. This option is available either on a custom tab inside the Power Options dialog box or from special battery software that came with your laptop. In a pinch, a rapid charge can save time. Otherwise, you want a nice, full, slow charge for your laptop's battery.
3. I leave my laptop plugged into the wall whenever I can.
4. There’s no need to fully drain your laptop's lithium-ion battery every time you use it.
5. The battery continues to charge even when the laptop is turned off.
6. It doesn’t take longer to recharge the battery if you use the laptop while recharging.
7. Never short a battery to fully drain it. By short, I mean that you connect the two terminals (positive and negative) directly so that the battery simply drains. This is a very bad, stupid thing to do. It can cause a fire. Don't do it.