All our tennis ball machines can accept the options as listed below. 


CAUTION : RED WIRE MUST BE CONNECTED TO BATTERY +VE TERMINAL (RED MARKING ON BATTERY),

OR TO RED WIRE IF USING AC POWER OPTION.

WRONG CONNECTION WILL RESULT IN BURNT CONTROL BOARD.

Option 1 – Internal Battery (Default)

A battery sits in the power cage and is charged through the "CHARGER" socket at control panel. 

Internal battery


Option 2 – External Battery Kit (+ S$75)

This allows swapping of batteries, or use with a higher capacity battery for longer court time.  Charging is done at the socket attached to the battery cable.  No internal battery for this option.

External battery kit

External battery




Option 3 – External Mains Power Module (+ S$170)

This option allows unlimited court time by drawing from AC power.  It accepts universal voltage 100V ~ 230V AC.  No internal battery for this option.





Option 4 – Mains and Battery Hybrid (+ S$230)

This is our most advanced configuration. You can make use of both external batteries or AC power source.  No internal battery for this option.