This is the Wltoys 12428 Upgrade 4200mah Battery Packs. This battery is 2S lipo Battery.
Description
The Capacity is Up to 4200mah Battery, Just the 2.5X more capacity than the Official 1500mah Battery. So the Running time will at least more 2x than the official battery.
This Upgrade Battery's Size is 88X41X18MM, Which is a perfect fit for the Wltoys 12428 Car. You can see the picture as follow. Very easy to install.


This Battery's discharge speed is 25C. The official Battery is 15C. so if the 12428 Car use this battery, its Speed will faster than the official battery.
Note
The only things you must note is: After you play about 20-30 minute .please have a 1-2 minute rest for your RC Car. Because the motor may be too hot. This way is better for your remote control car life.
These Parts are used for the Wltoys 12428 RC Car Buggy, cross country Wl toys 12428 1/12 High-Speed Racing Car
If you want to buy more parts for this 12428 RC Car,
Please click the link below:
Wltoys 12428 Parts

Now, The Wltoys factory has produced 4 Series for the 12428 Car, which is the 12428, 12428-A,12428-B, and 12428-C.
The internal structure of these 4 products is roughly the same. These 4 cars' outer Body shell is different, and also only little inner parts are different.
So when you choose the parts accessories, like Tires, batteries, remote control, receiving board, hexagon nuts, screws, etc. can all be used in common.
Some special parts you can according to your Car Number to choose parts.
Wltoys 12428-A Parts for The Wltoys 12428-A RC Car
Wltoys 12428-B Parts for The Wltoys 12428-B RC Car
Wltoys 12428-C Parts for The Wltoys 12428-C RC Car