Bemyself ... I got the 6EXA too and it does not come with battery and charger. Even the JR6102 is sold as JR2601 in Malaysia! The price in Malaysia is the same as yours. About 8,000 Bath

You are best discharging your NiCads after a few charges, NiCads will have a memory problem if it is charged when the battery is semi full. This is not so for NiMH batteries. You can make your own discharger. I use a 12V car bulb to discharge, I am sure you can solder up your own jack and wiring. I usually discharge it after a few rounds of charging.

A slow charger is prefferred, I know that a full charge can last easily 10 flights of 10 mins each. So you need not worry about slow charging. My current set of 700Mah battery is over 16 months old and they are working fine. The new Sanyo NiCads are about 2200 Mah. That means you can charge it once a month! Hahahaa ...