Brand New 45N0254 Adapter for Car Power Charger Lenovo ThinkPad S440,Helix 3698 Series PC

How to Select the correct Lenovo 45N0254 Cable/Line Adapter
Before purchasing Lenovo 45N0254 Cable/Line you need to make sure make the replacement for 45N0254 Adapters will give you the correct voltage,suitable current output and the right "tips". Most Cable/Line users travel, for tdose travel to Australia, Europe or US they require Cable/Line adapters that take 100-240 voltage input and output 16 voltage or 19 voltage.
You should Follow 2 easy steps to pick the right Cable/Line adapters.
1. Finding the right "output voltage" and "current output"
To find out the voltage & current, turn your Cable/Line over and look for a label, sticker or writing which shows the voltage and current.You can also find these shown on your original Lenovo AC Adapter 45N0254 if you have it.
voltage [volts V]- it has to be the same as voltage value specified on your Cable/Line.Different Cable/Line were designed to consume power varied by equipments such as CD-Rom, LCD size, CPU maker and CPU speed. You require to use the "matching voltage" . Only use the Replacement For Lenovo 45N0254 Charger output the matching voltage of your Cable/Line. You can easily locate your Cable/Line voltage. Mostly, voltage is printed on your Cable/Line. You also can check your Cable/Line manual.
Current output[ampere A] -it has to be the same or higher than the value specified on your Cable/Line.The Amps may be higher but they cannot by lower. If you are purchasing a universal Lenovo 45N0254 Cable/Line Adapter or Car Charger you will need to work out the Watts of your original Lenovo 45N0254 Cable/Line adapter and select the universal Lenovo 45N0254 Adapter or Car Charger with the same Watts or next highest Wattage. You can work out the Wattage by multiplying the Voltage by the Amps i.e 16V X 4A = 64 Watts. There is no 64 Watt Lenovo 45N0254 AC Adapter so you will need to select the next step up which is the 70 Watt or higher Watt Lenovo 45N0254 Power Adapter.(NOTE: If the wattage requirement for your Cable/Line is lower than the 64W of the adapter, it will not damage your Cable/Line, your Cable/Line will only take the amount of power it requires. I.E. If your Cable/Line needs 50W, then either the 60W or 90W will work OK. If your Cable/Line needs 80W then you will need the 90W one as the 75W one will not be powerful enough.)
2. Finding the right "tips"
Different Cable/Lines have different connectors. You need the right tip for your Cable/Line. This is very simply to find. Basically, laptop AC adapters comprise of 2 ends. One end is male power outlet. You use this end to plug into wall power outlet. The other end is called "TIP" which you will plug this tip into the "DC IN" in your Cable/Line.
Your Cable/Line won't work on the wrong tip. You can only use the " matching Tips"
Warning : DO NOT try to force it in.