Ni-cd 6v 1800mah Aa Battery With Charger Rechargeable Battery For Rc Toy Car Boat Gun Tank Truck Train Remote Control Toy 6.0 V - Parts & Accs - AliExpress
Dr Richard Nock on Twitter: "Rebuilt a Tyco 6v battery pack with a friend last night. 24 year old NiCd cells had leaked and rotted one of the contacts. Replaced with 2.3Ah