About the Battery¶
No Protective Board
Robot HAT cannot charge the battery, so you need to buy a battery charger.
When the two power indicators on the Robot HAT are off, it means the power is too low and the batteries need to be charged.
Button Top vs Flat Top?
Please choose battery with button top to ensure a good connection between the battery and the battery holder.
No protective board?
You are recommend to use 18650 batteries without a protective board. Otherwise, the robot may be cut power and stop running because of the overcurrent protection of the protective board.
In order to keep the robot working for a long time, use large-capacity batteries as much as possible. It is recommended to purchase batteries with a capacity of 3000mAh and above.