Both batteries used with this harness should have the same chemistry

ARRMA Granite 3S 4X4 - ARA4302V3

Pro-Line is stepping up the 3

PRO1021510 | Mickey Thompson® Baja Pro™ X 1

Produces up to 68 kg-cm / 945 oz-in of torque

MR SlotCar Jaguar XJ220 C ACC Silverstone 1996 1/32 Slot Car MR1085 MRslotcar GEN8 Parts Both batteries used with thisMR SlotCar Jaguar XJ220 C ACC Talk Radio Silverstone 1996 1 32 Scale Analog Slot Car 22,500 rpm Slot. it Flat 6 motor Anglewinder 11 29 Screw mount guide system Adjustable front axle ride height 4 point body levelling feature Machined bronze axle bushings Set screw aluminum wheels front & rear Compatible with Scalextric and other brands of 1 32 analog track systems