This tutorial will specifically focus on upgrading 12-volt cars into 18-volt Power Wheels. The latter, in this case, will be the best option. You can make the Power Wheels faster by either creating a battery pack with two 6-volt batteries or by buying a whole new 12-volt replacement battery. That said, you can also convert a 6-volt Power Wheel into a 12-volt car. Most Power Wheels are 12-volt ride-on cars, so it’s likely that you’re looking to upgrade this particular model. If it does, the battery should be in such a position that it doesn’t fall out of the hood. Whether your kid is driving the Power Wheel or you’re working on it, it might topple over. If you have any loose connections after the process, solder the joints to avoid future troubles. Make Strong ConnectionsĪvoid having any loose wires in your system as this might affect the functioning of the whole car. You’ll need to modify some of the factory wiring during this process, so you have to make sure that your vehicle connections are right.Īn example of this is how you should connect the bigger battery’s positive wire to the smaller battery’s negative wire (and not positive to positive or negative terminal to negative). You can fix it between your new battery and the motor. If this is the case, installing a motor speed controller will ensure that you can manually control the voltage transmitted into the motor. This might be a bit dangerous if your children do not have the required motor skills to drive the Power Wheel at an increased speed.Īlso, an 18-volt Power Wheel is more powerful than a 12-volt car so it might take some time for them to adjust. Upgrading the original battery increases speed. Install an Electronic Speed Controller (ESC) Kit You can also add an external 30- or 40-ampere fuse to the lithium-ion battery. Luckily, most SLA batteries come with an inbuilt fuse that will help protect the motor (always check as you can never be too sure). This might cause it to overheat (or even catch fire in some extreme cases). It doesn’t matter if you’re using a lithium-ion battery or a less powerful sealed lead-acid one, if you’re upgrading a 12-volt Power Wheels to an 18-volt car, the increased voltage will almost always be too much for the ride-on to handle. Here are some of the things you should do to avoid messing up the setup. If you’re not used to handling anything involving circuits, go at a slow pace as things can go wrong if you work at an unfamiliar speed. How Safe is a Power Wheels Battery Upgrade?įollowing the instructions is important as missing a step or two can cause trouble in the system. Overall, both batteries have pros and cons that you should evaluate before making a purchase. They are also much better at handling high temperatures. Lithium batteries charge four times faster than SLA batteries – a major upgrade if charging your Power Wheels is the main issue. ![]() ![]() This will help break the circuit if the flow of current is too much. Lithium-ion BatteriesĪlthough these batteries have way more power than the SLA batteries, you can solve that by installing a 30-ampere fuse. It’s about 50% heavier than lithium so you’ll have to deal with the bulkiness. It’ll also take a lot more time to fully charge when plugged into the charger. In some situations, this can be a disadvantage, but in this case, it’s advantageous as it means the battery won’t deliver excess power. The Sealed Lead Acid ( SLA) batteries have a high discharge rate, but not as much as the lithium-ion battery. One is a sealed lead-acid battery and the other is a lithium battery.īoth have distinct features you should be familiar with. ![]() There are two types of batteries you can use to upgrade the original Power Wheels battery.
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