World's first fast charger the battery in one hour to be used on motorola AMPS mobile phone.

World's first digital negative delta volt detection battery charger to fully charge a NiCd battery with 15 minutes.

World's first charger for Robbe to connect to computer accessing data such as save and print.

World's first zero delta volt detection charger to fully charge a NiMH battery within 15 minutes.

World's first and still only graphical interface charger that can charge with high power 12A, discharge at 40A.

World's first individual Li-polymer and Li-ion charger that can charge up Li battery within half hour.

The first charge/discharge control combined PCBA was installed in a Li-battery vacuum cleaner

The first motor control PCBA used in Li-battery E-bicycle was invented

Self developed our own control PCBA for robotic cleaner

Developed cost saving touch-screen battery charger/discharger for Robbe and Hobbico