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 Ni-Cd 1764B Battery Pack Charger 4 Hr Toy RC Radio Control - toys & games - by owner - sale - craigslist
NIHM 6.0V GIGA Pack | bol
6.0V battery chargers Nikko & Hitari WOLVERHAMPTON, Wolverhampton - MOBILE
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nikko battery pack" 3D Models to Print - yeggi
NIKKO 6.0V NI-Cd $5 Game Battery Charger for Sale in Bonney Lake, WA - OfferUp
Nikko Toy Vehicle Accessories | Mercari
Buy Nikko 6.0 Volt NiCd Rechargeable Battery Cassette & Charger Online at Low Prices in India - Amazon.in
NIKKO 6.0V Quick Battery Charger 7.5V 1000mA SCS0751000CB for NI-MH Battery Pack WOLVERHAMPTON, Wolverhampton - MOBILE
Nikko 4.8v 600mAh battery pack
Nikko 6.0V NiCd Battery | eBay
Nikko 6.0 Volt Plug-In Battery Charger Battery Sold As Is Not Sure if Holds Pwr | eBay
Nikko Giga Pack Nimh 6.0V - Coolblue - Voor 23.59u, morgen in huis
Nikko 6.0v nicd battery and charger for Sale in Auburn, WA - OfferUp