Hi guys any one got a battery charger for sale for a Samsung R20plus laptop mine has a 2 pin power lead but all the ones i can find on ebay have 3 pins !

I have them in, no idea of the input pin but they come with power leads anyway.

The three pin (clover leaf, pictured or IEC) have a fixed positive/negative side and an earth connection, the two pin ones (figure eight) can be used either way but have no earth.

The charger has a transformer inside to change the voltage, what you're looking for is the correct voltage and amperage (you can use a higher amperage one if you have to, but not a lower) and the correct pin size (inner and outer) so, for example, one of the most common is 19v 3.42a 5.5 x 2.5 (Voltage, Amperage, Pin Outer, Pin Inner).

Hope that helps.