ORIGINAL NIKKO 6.0V 750MAH BATTERY PACK AND CHARGER B01562 | eBay
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. :
VTG NIKKO Battery Giga Power Pack 9.6V-650mAh Ni-CD From Netherlands NEW SEALED 4986158012651 | eBay