Get this differential for low-traction surfaces....
Pros: The gears are composite-reinforced plastic.
Two types of grease included, for thrust and differential rings.
Cons: The differential rings fit loosely on the cups.
US 8 in 1 Lipo Battery Multi Charging Plug Convert Cable for IMAX B6 Charger Hot
30 September 2019
Works with many 4-button chargers and batteries below 6 amps.
The solder connections on this 8-in-1 octopuss e-charge multi-cable are clean and strong. The connectors are knock-offs; but, fit snug to all batteries: Great for 5-6 amp chargers, with banana jacks. For charging transmitter, receiver, and mains batteries, between 50 - 5000 mAh.