RC Car Battery Mod - Works For Any RC
Step 1: Intro
Hello my friends. I bought a cheap car on Banggood, it's quite big and works well. The speed isn’t fast so the kids can control it and they like it. The battery that comes with the car is not good. So I have to mod it with my old laptop battery for a much more active time. Old car batteries I use for other devices. Here I share with you how mod the battery, this way can apply to most types of cheap cars, boat…Good luck.
Step 2: Part List
1. Battery from an old laptop battery
2. Battery Voltage Tester
3. DC-DC Adjustable Step Up Power Module
4. JST Male & Female Connectors
5. TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board
Step 3: Let's Start
We'll disconnect you car battery, remove PVC heat shrink tube and split your battery for remote...
Step 4: Soldering
We'll cut a nickel strip for spot welding. It will make it easier to solder. We'll soldering JST connector, MT3608, TP4056
Step 5: Setup and Test
We'll set voltage about 5 volts If your car use 4 cell Ni-Cd A cell Ni-Cd between 1.25 - 1.35 volts.
2. Battery voltage tester
We must use battery voltage tester to protect your battery. Press the button to change the voltage setting. It will save your current setting automatically. I'll set 2.7 volts.
3. Battery Charging
We can use any charger, TP4056 is a good idea since it's cheap.
4. We'll put our battery voltage tester any where we can see it
Thank you for reading.