AR7300BX is the "heavy duty" variant of AR7200BX. It additionally has a high power input to satisfy the demands of today's high power servos and to ensure a stable power supply especially in RC helicopters from 600 size and larger.<br /> | AR7300BX is the "heavy duty" variant of AR7200BX. It additionally has a high power input to satisfy the demands of today's high power servos and to ensure a stable power supply especially in RC helicopters from 600 size and larger.<br /> |