ORIGINAL NIKKO 6.0V 750MAH BATTERY PACK AND CHARGER B01562 | eBay
Original Nikko Slot in Battery Charger 9.6V - Etsy
Nikko 6.0V Volt NiCd 4 Hour R/C Battery and 50 similar items
Just got myself 8 AAs (Rechargeable) from IKEA for my custom 9,6 V battery pack which I use for my Nikko Super Cruiser. A bit overkill when you count the capacity lol. :
NIKKO 6.0V 650mAh Ni-Cd SLOT IN BATTERY PACK AND 4 HOUR CHARGER | eBay