Summary of Reddit Comments on "12v powerwheels battery"

Battery Setup and Components

Adjustable Voltage Regulator: A DC PWM motor controller with a range of 7-70v 30amp.
Low Voltage Protection (LVM): Protects the battery from draining below usable voltage.
Voltage Display: A green LED display.
Other Components: Quick connect, M18 Adapter, 30A fuse, remote kill switch, soft stop, rocker switches, lights, hood/seat latches, horn, underglow, convert to remote control kit, voltage gauges, fuse box, and bubble gun exhaust.

Leaving the battery in the vehicle may drain it below usable voltage due to constant power to the BMS.
Swapping the stock battery for an 18v battery adapter can provide extra power.
For safety, consider adding a remote kill switch between LVC/BMS and the relay.

Upgrading with a 12v lithium battery may improve performance.
Matching the battery voltage with the motor specifications is crucial to prevent damage.
Using an inappropriate voltage, such as 18v with 6v motors, could lead to quick motor burnout.

Adjusting the voltage output for motors is essential to avoid overloading them.
Consider using a step-down buck converter to regulate voltage and prevent overheating.
A step-down converter is not rated for high current, so matching it with a suitable speed controller is recommended.

Users have successfully modified Powerwheels with different battery setups and components for increased performance.
Adding protection circuits and proper gear adjustments are essential for safety and longevity.
Parallel battery setups can increase capacity, but they require specific charging considerations.

Using a cigarette-lighter adapter with USB output can be a cost-effective solution.
Upgrading motors and tires can enhance performance, but proper voltage and current regulation are crucial.
Remember to match battery voltage with motor specifications and consider overheating risks when modifying Powerwheels.